Multi-head drill device with adjustable hole pitch

Abstract

The utility model relates to the technical field of machining, and discloses a pitch-adjustable multi-head drill device which comprises a workbench, a lifting mechanism fixed to the top of the workbench, a fixing plate fixed to the front face of the lifting mechanism and a mounting box fixed to the bottom of the fixing plate. The motor is fixed to the top of the fixing plate, the moving seats are slidably connected to the bottom of the mounting box, and the drill bits are rotatably connected into the moving seats; according to the multi-bit drilling device, a plurality of holes can be machined at a time, each drill bit can be independently moved and adjusted, namely, the distance between machined hole sites can be adjusted, the universality of the multi-bit drilling device can be effectively improved, and the problems that in existing multi-bit equipment, each drill bit is fixedly arranged, the drilled hole sites are fixed during machining, and the machining efficiency is high are solved. The problems that when multiple holes are machined, the distance between drill bits cannot be conveniently adjusted, and when hole positions with different distances need to be machined, adjustment is tedious, and the universality is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a multi-head drilling device with adjustable hole spacing. Background Art

[0002] At present, when CNC machine tools process a large number of parts, especially for parts with multiple holes and multiple processes in the same batch, manual operations are required. Some parts need to be clamped twice to meet the processing requirements. This affects the processing accuracy, reduces product quality, and reduces production efficiency. In order to improve processing accuracy and production efficiency, multi-head drilling devices have appeared on the market.

[0003] In the prior art, each drill bit in a multi-drill device is fixed, and the position of the holes drilled during processing is also fixed. It is impossible to conveniently adjust the spacing of the drill bits during multi-hole processing. When holes with different spacings need to be processed, the staff needs to dismantle the equipment and readjust the position of the drill bits when processing holes with different spacings. The adjustment is cumbersome, which also leads to poor general performance of the existing multi-drill device. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-head drill device with adjustable hole spacing, which can not only process multiple holes at a time, but also each drill bit can be moved and adjusted independently, that is, the spacing of the processed holes can be adjusted, which can effectively improve the versatility of the multi-head drill device.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a multi-head drilling device with adjustable hole spacing, comprising a workbench, a lifting mechanism fixed to the top of the workbench, a fixing plate fixed to the front of the lifting mechanism and an installation box fixed to the bottom of the fixing plate, and also comprising:

[0006] A motor fixed on the top of the fixed plate, a plurality of movable seats slidably connected to the bottom of the installation box, and a drill bit rotatably connected to the inside of the movable seat, a driven gear is fixed on the top of the drill bit, both sides of the inside of the installation box are rotatably connected to rotating rods, and the surface of the rotating rods is slidably connected to an adjusting gear, and the adjusting gear is meshed and connected with the driven gear;

[0007] A driving gear is fixed to the inner side of the rotating rod, and a driving gear is fixed to the output shaft of the motor. An adjusting structure is arranged between the rotating rod and the adjusting gear, and a fixing structure is arranged between the moving seat and the installation box.

[0008] Preferably, the adjustment structure includes a fixing sleeve fixed to the inner side of the adjustment gear, an adjustment hole opened on the surface of the rotating rod, and a fixing pin threadedly connected between the fixing sleeve and the adjustment hole.

[0009] Preferably, the fixing structure includes a protrusion fixed to the front side of the movable seat, a fixing hole opened at the bottom of the installation box, and a mounting bolt threadedly connected between the protrusion and the fixing hole.

[0010] Preferably, both upper and lower sides of the rotating rod are provided with limiting grooves, and the limiting grooves are slidably connected to the inner side of the adjusting gear.

[0011] Preferably, a limiting sleeve is fixed inside the installation box and the limiting sleeve is rotatably connected to the rotating rod.

[0012] Preferably, the fixing plate and the installation box are connected by bolts, and the edges of the fixing plate and the installation box are designed to be flush.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model discloses can not only process multiple holes at a time, but each drill bit can be moved and adjusted independently, that is, the spacing of the processed holes can be adjusted, which can effectively improve the versatility of the multi-head drilling device and solve the problem that each drill bit in the existing multi-drill bit equipment is fixed, the hole positions drilled during processing are also fixed, and the spacing of the drill bits cannot be conveniently adjusted during multi-hole processing. When holes with different spacings need to be processed, the adjustment is cumbersome and the versatility is poor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0018] Figure 4 It is a partial three-dimensional structural schematic diagram of the utility model;

[0019] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0020] In the figure: 1. workbench; 2. lifting mechanism; 3. fixed plate; 4. installation box; 5. motor; 6. moving seat; 7. drill bit; 8. driven gear; 9. rotating rod; 10. adjusting gear; 11. driving gear; 12. driving gear; 13. adjusting structure; 131. fixing sleeve; 132. adjusting hole; 133. fixing pin; 14. fixing structure; 141. bump; 142. fixing hole; 143. mounting bolt; 15. limiting groove; 16. limiting sleeve. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 As shown, a multi-head drilling device with adjustable hole spacing includes a workbench 1, a lifting mechanism 2, a fixed plate 3 and an installation box 4, the lifting mechanism 2 is fixed to the top of the workbench 1, the fixed plate 3 is fixed to the front of the lifting mechanism 2, the installation box 4 is fixed to the bottom of the fixed plate 3, a motor 5 is fixed to the top of the fixed plate 3, a plurality of moving seats 6 are slidably connected to the bottom of the installation box 4, a drill bit 7 is rotatably connected to the inside of the moving seat 6, a driven gear 8 is fixed to the top of the drill bit 7, both sides of the inside of the installation box 4 are rotatably connected to a rotating rod 9, the surface of the rotating rod 9 is slidably connected to an adjusting gear 10, and the adjusting gear 10 is rotatably connected to the driven gear 8. The movable gear 8 is meshed and connected, a driving gear 11 is fixed to the inner side of the rotating rod 9, a driving gear 12 is fixed to the output shaft of the motor 5, the driving gear 12 is meshed and connected with the driving gear 11, an adjusting structure 13 is arranged between the rotating rod 9 and the adjusting gear 10, and a fixing structure 14 is arranged between the movable seat 6 and the mounting box 4; the problem that each drill bit 7 in the existing multi-drill bit equipment is fixed, the hole position drilled during processing is also fixed, the spacing of the drill bit 7 cannot be conveniently adjusted during multi-hole processing, and when holes with different spacings need to be processed, the adjustment is cumbersome and the general performance is poor.

[0023] The adjustment structure 13 includes a fixing sleeve 131, an adjustment hole 132 and a fixing pin 133. The fixing sleeve 131 is fixed to the inner side of the adjustment gear 10. The adjustment hole 132 is opened on the surface of the rotating rod 9. The fixing pin 133 is threadedly connected between the fixing sleeve 131 and the adjustment hole 132. The fixing pin 133 can fix the adjustment gear 10 to facilitate the adjustment of the position of the adjustment gear 10.

[0024] The fixing structure 14 includes a protrusion 141, a fixing hole 142 and a mounting bolt 143. The protrusion 141 is fixed to the front side of the movable seat 6. The fixing hole 142 is opened at the bottom of the mounting box 4. The mounting bolt 143 is threadedly connected between the protrusion 141 and the fixing hole 142. The mounting bolt 143 can fix the movable seat 6, making it convenient to adjust the position of the movable seat 6 to fit the adjusting gear 10.

[0025] Limiting grooves 15 are provided on both the upper and lower sides of the rotating rod 9 , and the limiting grooves 15 are slidably connected to the inner side of the adjusting gear 10 . The limiting grooves 15 can limit the adjusting gear 10 so that it rotates with the rotating rod 9 .

[0026] A limiting sleeve 16 is fixed inside the installation box 4 , and the limiting sleeve 16 is rotatably connected to the rotating rod 9 . The limiting sleeve 16 can limit one end of the rotating rod 9 to make its rotation more stable.

[0027] The fixing plate 3 and the installation box 4 are connected by bolts. The edges of the fixing plate 3 and the installation box 4 are designed to be flush. The bolt connection can quickly open the installation box 4 for easy adjustment.

[0028] Working principle: When performing multi-hole drilling, the staff can place the objects to be drilled on the top of the workbench 1, and then the staff can open the lifting mechanism 2 and start the motor 5. The motor 5 can engage the driving gear 11 to rotate through the active gear 12, and the driving gear 11 can drive the adjusting gear 10 to rotate, thereby driving the driven gear 8 to rotate. The driven gear 8 can drive the four drill bits 7 to rotate. In conjunction with the lifting mechanism 2, multi-hole processing can be performed simultaneously. When the spacing of the drill bits 7 needs to be adjusted, the staff needs to remove the installation box 4, and then unscrew the fixing pin 133 and the mounting bolt 143. After that, the adjusting gear 10 and the driven gear 8 can be moved at the same time. The two can be kept in an engaged state by moving at the same time. After moving the drill bit 7 to the required position, the fixing pin 133 and the mounting bolt 143 can be retightened to complete the adjustment of the drill bit 7.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] 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. A multi-head drilling device with adjustable hole spacing, comprising a workbench (1), a lifting mechanism (2) fixed to the top of the workbench (1), a fixing plate (3) fixed to the front of the lifting mechanism (2), and a mounting box (4) fixed to the bottom of the fixing plate (3), characterized in that: Also includes: A motor (5) fixed on the top of the fixed plate (3), a plurality of movable seats (6) slidably connected to the bottom of the installation box (4), and a drill bit (7) rotatably connected to the inside of the movable seat (6), a driven gear (8) being fixed on the top of the drill bit (7), a rotating rod (9) being rotatably connected to both sides of the inside of the installation box (4), and an adjusting gear (10) being slidably connected to the surface of the rotating rod (9), and the adjusting gear (10) being meshed and connected to the driven gear (8); A driving gear (11) is fixed to the inner side of a rotating rod (9) and a driving gear (12) is fixed to the output shaft of a motor (5); an adjusting structure (13) is provided between the rotating rod (9) and the adjusting gear (10); and a fixing structure (14) is provided between the moving seat (6) and the installation box (4).

2. A multi-head drilling device with adjustable hole spacing according to claim 1, characterized in that: The adjustment structure (13) comprises a fixing sleeve (131) fixed to the inner side of the adjustment gear (10), an adjustment hole (132) opened on the surface of the rotating rod (9), and a fixing pin (133) threadedly connected between the fixing sleeve (131) and the adjustment hole (132).

3. The multi-head drilling device with adjustable hole spacing according to claim 1, characterized in that: The fixing structure (14) comprises a protrusion (141) fixed to the front side of the moving seat (6), a fixing hole (142) opened at the bottom of the installation box (4), and a mounting bolt (143) threadedly connected between the protrusion (141) and the fixing hole (142).

4. The multi-head drilling device with adjustable hole spacing according to claim 1, characterized in that: Limiting grooves (15) are provided on both upper and lower sides of the rotating rod (9), and the limiting grooves (15) are slidably connected to the inner side of the adjusting gear (10).

5. The multi-head drilling device with adjustable hole spacing according to claim 1, characterized in that: A limiting sleeve (16) is fixed inside the installation box (4), and the limiting sleeve (16) is rotatably connected to the rotating rod (9).

6. The multi-head drilling device with adjustable hole spacing according to claim 1, characterized in that: The fixing plate (3) and the installation box (4) are connected by bolts, and the edges of the fixing plate (3) and the installation box (4) are designed to be flush.

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