Hole opening device for hollow bolt machining

Abstract

The utility model discloses a tapping device for processing a hollow bolt, which is applied to the field of tapping devices and comprises a support, and the bottom of the support is fixedly connected with a fixing frame. The driving motor is arranged to drive the single connecting rod, the drill bit mounting base and the trepanning drill bit to rotate, the remaining connecting rods, the drill bit mounting base and the trepanning drill bit can be linked to rotate synchronously under the action of the four sets of belt wheels, and the trepanning drill bit can be driven to rotate synchronously under downward pushing of the downward pushing air cylinder. A plurality of drilling bits can be used for drilling at least five bolts at the same time, so that the drilling quantity can be large at a time, and the drilling efficiency at a time is high; and the two clamping air cylinders push the first fixing plate and the second fixing plate to be close to and away from each other, clamping plates at the tops of the first fixing plate and the second fixing plate can be matched with hexagonal bases at the bottoms of bolts of different sizes for clamping, the bolts of different sizes can be fixed, only tapping drill bits of different sizes need to be replaced, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the field of hole opening devices, in particular to a hole opening device for processing hollow bolts. Background Art

[0002] Usage scenarios of hollow bolts Hollow bolts are usually suitable for scenarios that require lightweight design, such as high-end manufacturing industries such as aircraft, automobiles, and satellites; currently, a hole-punching device is used to punch holes in hollow bolts during the processing process; traditional hole-punching devices can only drill holes for one bolt at a time, and the efficiency of drilling holes at a time is low; in order to solve the above-mentioned problems, we propose a hole-punching device for hollow bolt processing. Utility Model Content

[0003] The utility model aims to provide a hole-opening device for processing hollow bolts, which has the advantage of being able to meet the needs of multiple bolt hole-opening work at a single time.

[0004] The above-mentioned technical objective of the utility model is achieved through the following technical scheme: a hole-opening device for processing hollow bolts, comprising a bracket, the bottom of the bracket is fixedly connected to a fixing frame, the interior of the bracket is provided with a fixing frame, the top of the fixing frame is provided with a push-down cylinder fixedly sleeved with the bracket, a driving motor is installed inside the fixing frame, the bottom of the fixing frame is provided with five connecting rods, the output end of the driving motor is installed with the connecting rod through a coupling, four groups of pulleys are provided at the bottom of the fixing frame, the number of pulleys in each group is two, and the two pulleys are connected by belt transmission, the interior of the pulleys is fixedly sleeved with the surface of the connecting rod, the bottom end of the connecting rod is fixedly connected with a drill mounting seat, and a hole-opening drill bit is installed inside the drill mounting seat; a fixing plate 1 and a fixing plate 2 are provided inside the fixing frame, and clamping cylinders are fixedly connected on both sides of the inner cavity of the fixing frame, and the output ends of the two clamping cylinders are respectively fixedly connected to the fixing plate 1 and the fixing plate 2.

[0005] By adopting the above technical solution, by setting a connecting rod, a pulley, a drill mounting seat, a hole-opening drill bit, a driving motor, a fixing frame and a push-down cylinder, it is possible to meet the needs of drilling holes for at least five bolts at a time; and under the action of fixing plate one, fixing plate two and the clamping cylinder, it can adapt to the fixing work of bolts of different sizes.

[0006] The utility model is further configured as follows: the four connecting rods are rotatably connected to the fixing frame via bearings, and the output end of the driving motor is rotatably connected to the fixing frame via bearings.

[0007] The above technical solution is adopted to limit the rotation of the connecting rod at a fixed position through the use of bearings.

[0008] The utility model is further configured as follows: five placement bins are fixedly connected to the top of the fixing frame, and five movable grooves are opened on the top of the fixing frame.

[0009] By adopting the above technical solution, through the provision of a placement bin and a movable groove, the placement bin is used to place bolts, and the movable groove facilitates the two clamping plates of the fixed plate 1 and the fixed plate 2 to approach and move away from each other.

[0010] The utility model is further configured as follows: a sliding groove is provided at the bottom of the inner cavity of the fixing frame and the bottom of the inner cavity of the second fixing plate, and a sliding block slidably connected to the sliding groove is fixedly connected to the bottom of the second fixing plate and the first fixing plate.

[0011] By adopting the above technical solution, the sliding groove and the sliding block are provided to support and guide the movement of the fixed plate 1 and the fixed plate 2, and the stability of the fixed plate 1 and the fixed plate 2 during movement is also increased.

[0012] The utility model is further configured as follows: sliding grooves are provided on both sides of the inner cavity of the bracket, and a sliding block fixedly connected to a fixing frame is slidably connected inside the sliding groove.

[0013] The above technical solution is adopted to provide a linear guide for the upward and downward movement of the fixed frame through the arrangement of the slide groove and the sliding block.

[0014] The utility model is further configured as follows: the tops of the first fixing plate and the second fixing plate are both located inside the movable groove.

[0015] By adopting the above technical solution, five clamping plates are provided on the top of the fixing plate 1 and the fixing plate 2, and every two clamping plates are located inside a movable groove, so as to clamp the bottom hexagonal seat of the bolt to prevent rotation.

[0016] In summary, the utility model has the following beneficial effects:

[0017] The utility model sets a driving motor to drive a single connecting rod, a drill mounting seat and a hole drilling bit to rotate, and under the action of four sets of pulleys, the remaining connecting rods, the drill mounting seat and the hole drilling bits can be linked to rotate synchronously. Under the downward push of the push-down cylinder, multiple hole drilling bits can drill holes for at least five bolts at the same time, and a large amount of holes can be drilled at a time, and the single hole drilling efficiency is high.

[0018] The two clamping cylinders push the fixing plate one and the fixing plate two towards and away from each other respectively. The clamping plates on the top of the fixing plate one and the fixing plate two can be adapted to the hexagonal seats at the bottom of bolts of different sizes to meet the needs of bolt fixation of different sizes. Only the drilling bits of different sizes need to be replaced, which is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a three-dimensional diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0021] Figure 3 This utility model Figure 2 A magnified view of the structure in the middle.

[0022] Figure numerals: 1. bracket; 2. fixing frame; 3. push-down cylinder; 4. driving motor; 5. connecting rod; 6. pulley; 7. drill mounting seat; 8. hole drilling drill; 9. fixing plate 1; 10. fixing plate 2; 11. clamping cylinder; 12. placing bin; 13. movable groove; 14. sliding groove; 15. sliding block; 16. sliding groove; 17. sliding block. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0024] Embodiment 1:

[0025] refer to Figure 1 , Figure 2 and Figure 3 A hole-punching device for processing hollow bolts comprises a bracket 1, a fixing frame 2 is fixedly connected to the bottom of the bracket 1, a fixing frame 2 is arranged inside the bracket 1, a push-down cylinder 3 fixedly sleeved with the bracket 1 is installed on the top of the fixing frame 2, a driving motor 4 is installed inside the fixing frame 2, five connecting rods 5 are arranged at the bottom of the fixing frame 2, the output end of the driving motor 4 is installed with the connecting rod 5 through a coupling, four groups of pulleys 6 are arranged at the bottom of the fixing frame 2, the number of each group of pulleys 6 is two, and the two pulleys 6 are connected by belt transmission, the inside of the pulleys 6 is fixedly sleeved with the surface of the connecting rod 5, the bottom end of the connecting rod 5 is fixedly connected with a drill mounting seat 7, and a hole-punching drill 8 is installed inside the drill mounting seat 7; a fixing plate 1 9 and a fixing plate 2 10 are arranged inside the fixing frame 2, and clamping cylinders are fixedly connected on both sides of the inner cavity of the fixing frame 2 11. The output ends of the two clamping cylinders 11 are fixedly connected to the fixing plate 1 9 and the fixing plate 2 10 respectively; by setting a driving motor 4 to drive a single connecting rod 5, a drill mounting seat 7 and a hole-opening drill bit 8 to rotate, the remaining connecting rods 5, the drill mounting seat 7 and the hole-opening drill bit 8 can be linked to rotate synchronously under the action of the four sets of pulleys 6. Under the downward push of the push-down cylinder 3, multiple hole-opening drill bits 8 can simultaneously open holes for at least five bolts, a large amount of holes can be opened at a time, and the single hole-opening efficiency is high; and the two clamping cylinders 11 push the fixing plate 1 9 and the fixing plate 2 10 closer to and away from each other respectively, and the clamping plates on the top of the fixing plates 1 9 and the fixing plates 2 10 can be adapted to the hexagonal seats at the bottom of bolts of different sizes for clamping, so as to meet the needs of fixing bolts of different sizes. It is only necessary to replace the hole-opening drill bits 8 of different sizes, which is highly practical.

[0026] refer to Figure 2 The four connecting rods 5 are rotatably connected to the fixing frame 2 through bearings, and the output end of the driving motor 4 is rotatably connected to the fixing frame 2 through bearings. The bearings are used to limit the connecting rods 5 from rotating at a fixed position.

[0027] refer to Figure 1 , Figure 2 and Figure 3 Five placement bins 12 are fixedly connected to the top of the fixing frame 2, and five movable grooves 13 are opened on the top of the fixing frame 2. Through the setting of the placement bins 12 and the movable grooves 13, the placement bins 12 are used to place bolts, and the movable grooves 13 facilitate the two clamping plates of the fixing plate 1 9 and the fixing plate 2 10 to approach and move away from each other.

[0028] refer to Figure 2 and Figure 3 A sliding groove 14 is provided at the bottom of the inner cavity of the fixed frame 2 and the bottom of the inner cavity of the fixed plate 2 10. The bottoms of the fixed plate 2 10 and the fixed plate 1 9 are fixedly connected with sliding blocks 15 that are slidably connected to the sliding groove 14. Through the setting of the sliding groove 14 and the sliding block 15, the movement of the fixed plate 1 9 and the fixed plate 2 10 is supported and guided, and the stability of the fixed plate 1 9 and the fixed plate 2 10 during movement is also increased.

[0029] refer to Figure 2 A slide groove 16 is provided on both sides of the inner cavity of the bracket 1, and a slider 17 fixedly connected to the fixing frame 2 is slidably connected inside the slide groove 16. The slide groove 16 and the slider 17 are arranged to linearly guide the fixing frame 2 to move up and down.

[0030] refer to Figure 2 and Figure 3 The tops of the fixing plates 1 9 and 10 are both located inside the movable groove 13. There are five clamping plates on the tops of the fixing plates 1 9 and 10. Every two clamping plates are located inside a movable groove 13, which are used to clamp the bottom hexagonal seat of the bolt to prevent rotation.

[0031] Brief description of the usage process: When in use, the device is powered on;

[0032] Place the hexagonal seats of at least five bolts in the corresponding placement bins 12, and the two corresponding sides of the hexagonal seats of the bolts should correspond to the clamping plates at the top of the fixing plate 1 9 and the fixing plate 2 10 respectively;

[0033] Then the two clamping cylinders 11 are started to push the fixing plate 1 9 and the fixing plate 2 10 together, and the clamping plates on the top of the fixing plates 1 9 and the fixing plates 2 10 clamp and fix the hexagonal seats of the bolts;

[0034] Then the driving motor 4 is started, and the driving motor 4 drives the connecting rod 5, the pulley 6, the drill bit mounting seat 7 and the hole drilling bit 8 at the bottom of the output end thereof to rotate, and the pulley 6 drives another pulley 6 and the connecting rod 5 to rotate through the belt, and the other connecting rod 5 rotates to drive another pulley 6 on its surface to rotate, and the other pulley 6 is then driven by the belt to rotate the pulley 6 and the connecting rod 5 inside it, and the above principle is adopted, and the five hole drilling bits 8 will rotate synchronously;

[0035] At this time, the push-down cylinder 3 is started, and the output end of the push-down cylinder 3 pushes the fixing frame 2 and the hole-opening drill bit 8 at the bottom thereof to descend and contact the bolt, thereby performing a hole-opening operation on the bolt;

[0036] After the hole is drilled, the push-down cylinder 3 drives the drilling drill 8 to reset, and the two clamping cylinders 11 drive the clamping plates and hexagonal seats on the top of the fixing plate 1 9 and the fixing plate 2 10 to separate, remove the bolts, repeat the above clamping, and the hole drilling operation can be completed.

[0037] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A hole-punching device for processing a hollow bolt, comprising a bracket (1), characterized in that: The bottom of the bracket (1) is fixedly connected to a fixing frame (2), the inside of the bracket (1) is provided with a fixing frame (2), the top of the fixing frame (2) is provided with a push-down cylinder (3) fixedly sleeved with the bracket (1), the inside of the fixing frame (2) is provided with a driving motor (4), the bottom of the fixing frame (2) is provided with five connecting rods (5), the output end of the driving motor (4) is installed with the connecting rods (5) through a coupling, and the bottom of the fixing frame (2) is provided with four groups of pulleys (6), the number of each group of pulleys (6) is two, and the two pulleys (6) are connected to each other. The pulleys (6) are connected via a belt transmission, the interior of the pulley (6) is fixedly sleeved with the surface of the connecting rod (5), the bottom end of the connecting rod (5) is fixedly connected with a drill mounting seat (7), and a hole drilling bit (8) is installed inside the drill mounting seat (7); a fixing plate 1 (9) and a fixing plate 2 (10) are provided inside the fixing frame (2), and clamping cylinders (11) are fixedly connected on both sides of the inner cavity of the fixing frame (2), and the output ends of the two clamping cylinders (11) are fixedly connected to the fixing plate 1 (9) and the fixing plate 2 (10) respectively.

2. The hole-punching device for hollow bolt processing according to claim 1, characterized in that: The four connecting rods (5) are rotatably connected to the fixing frame (2) via bearings, and the output end of the driving motor (4) is rotatably connected to the fixing frame (2) via bearings.

3. The hole-punching device for hollow bolt processing according to claim 1, characterized in that: Five storage bins (12) are fixedly connected to the top of the fixed frame (2), and five movable grooves (13) are opened on the top of the fixed frame (2).

4. The hole-punching device for hollow bolt processing according to claim 1, characterized in that: The bottom of the inner cavity of the fixing frame (2) and the bottom of the inner cavity of the second fixing plate (10) are both provided with a sliding groove (14), and the bottoms of the second fixing plate (10) and the first fixing plate (9) are both fixedly connected with a sliding block (15) slidably connected to the sliding groove (14).

5. The hole-punching device for hollow bolt processing according to claim 1, characterized in that: Slide grooves (16) are provided on both sides of the inner cavity of the bracket (1), and a sliding block (17) fixedly connected to the fixing frame (2) is slidably connected inside the slide groove (16).

6. The hole-punching device for hollow bolt processing according to claim 3, characterized in that: The tops of the fixing plate 1 (9) and the fixing plate 2 (10) are both located inside the movable groove (13).

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