CN117773176A - A new type of CNC bench drill - Google Patents

Abstract

The invention discloses a novel CNC bench drill, which relates to the field of bench drills, including a drilling machine, a clamping assembly installed on the drilling machine, and a rotating drill bit installed above the clamping assembly on the drilling machine; the clamping assembly includes a bearing plate, two groups of pre-clamping units, a pre-clamping synchronization unit, two groups of locking units, a locking drive unit and a locking adjustment unit; the clamping assembly can move vertically; the two groups of pre-clamping units are installed on the bearing plate, and the pre-clamping units include a pre-clamping spring and a clamping plate. Pre-clamping and locking of a workpiece only require pushing the clamping plate to move, and the clamping plate can drive another clamping plate to move through the pre-clamping synchronization unit, so that the two clamping plates are opened, and the workpiece can be pre-clamped by releasing the hands, and then the workpiece rises, and the clamping plate is locked without manual operation, so that the operation of clamping the workpiece is simpler, the difficulty of getting started is low, and the clamping efficiency is improved, and the operation of pushing the clamping plate to open and releasing the hands to clamp the workpiece is more convenient.

Description

A new type of CNC bench drill

Technical field

The invention relates to the field of bench drills, and in particular to a new type of CNC bench drill.

Background technique

A CNC bench drill is a machine tool that can be used for drilling, tapping and cutting. This type of machine tool is often used in the metal processing industry and can accurately control the depth, diameter and speed of drilling. CNC bench drills can be controlled by computer programs and can be customized according to different processing needs; CNC bench drills usually consist of the following parts; Bed: The bed of CNC bench drills is usually made of cast iron or steel plates and has sufficient stiffness and stability, which can ensure the accuracy of drilling; workbench: the workbench is used to place the workpiece, and the height and inclination angle can usually be adjusted to adapt to workpieces of different shapes and sizes; drill bits: CNC bench drills are usually equipped with a variety of Drill bits of different types and sizes can be selected according to processing needs; Control system: The control system of a CNC bench drill usually consists of a computer, display, keyboard and operation panel, which can be used to input and control the drilling program; Cooling system: CNC table Drills are usually equipped with a cooling system to cool the drill bit and workpiece to prevent overheating of the drill bit and deformation of the workpiece. The CNC bench drill is an efficient, precise and flexible machine tool suitable for various metal processing industries.

Chinese patent CN111283238B discloses a bench drill for machining that can be accurately positioned, including: a bench drill main body; a lifting base, which is arranged at the front bottom end of the bench drill body; and a fixed seat, which is arranged at the top of the lifting base. ; The clamping mechanism is arranged on the top of the fixed seat; the positioning mechanism is arranged on the front top of the main body of the bench drill, which can facilitate drilling and positioning of the workpiece for subsequent processing, so that the hole drilling will not be offset. , improves the processing quality, can be suitable for fixing workpieces of different sizes, and can quickly fix and drill the workpieces, so as to facilitate the batch processing of the workpieces and the drilling speed is faster.

There are also the following defects in the above-mentioned patents and existing technologies:

Nowadays, bench drills are equipped with clamps to clamp the workpiece to be drilled to ensure the stability of the workpiece during the drilling process. However, the clamp needs to be operated to clamp the workpiece. The existing bench drill clamp drives two splints towards each other through a screw. Mobile clamping of the workpiece requires a large number of turns of the screw, which is slow and cumbersome to operate, resulting in low efficiency in clamping the workpiece.

Therefore, this application provides a new type of CNC bench drill to meet the needs.

Contents of the invention

The purpose of this application is to provide a new type of CNC bench drill. To pre-clamp and lock the workpiece, only the clamping plate needs to be pushed to move. The clamping plate can drive the other clamping plate to move through the pre-clamping synchronization unit, thereby making the two The clamping plate is opened and the workpiece can be pre-clamped by letting go. Then the workpiece rises and the clamping plate is locked without manual operation. The operation of clamping the workpiece is simpler, the difficulty of getting started is low, the clamping efficiency is improved, and the clamp is pushed It is more convenient to open the holding plate and release the workpiece to clamp the workpiece.

In order to achieve the above purpose, this application provides the following technical solution: a new type of CNC bench drill, including a drilling machine, a clamping assembly is installed on the drilling machine, and a rotating drill bit is installed above the clamping assembly on the drilling machine;

The clamping assembly includes a load-bearing plate, two sets of pre-clamping units, two sets of pre-clamping synchronization units, two sets of locking units, a locking drive unit and a locking adjustment unit;

The clamping component can move vertically;

Two sets of pre-clamping units are installed on the load-bearing plate. The pre-clamping units include pre-clamping springs and clamping plates. The two pre-clamping springs can drive the corresponding clamping plates to move, so that the two The clamping plates move toward each other to clamp the workpiece;

When the clamping plate in one of the pre-clamping units is moved, the pre-clamping synchronization unit can move the clamping plate in the other pre-clamping unit in the opposite direction;

The locking unit comprises two locking blocks. When the clamping assembly rises, the locking drive unit can drive the two locking blocks to rise relative to the carrier plate, so that the two locking blocks move to the side of the clamping plate away from the workpiece to press the clamping plate tightly.

The locking adjustment unit can drive the two locking blocks to move horizontally and in opposite directions.

Preferably, a fixed rod is fixedly installed on the drilling machine, and the rotary drill bit is installed on the fixed rod. The locking drive unit includes a driving gear, a driving rotating shaft, a driving belt, a driving rotating rod, a driving bevel gear, and a passive gear. bevel gear, driving threaded barrel and driving threaded rod, the locking unit also includes a locking plate;

A driving rack is fixedly installed on the fixed rod, the driving gear is fixedly sleeved on the driving rotating shaft and meshes with the driving rack, and the driving belt is installed on the driving rotating shaft and the driving rotating rod. On the top, the driving bevel gear is fixedly installed on the rotation of the driving rotating rod, the passive bevel gear is fixedly sleeved on the driving threaded barrel and meshes with the driving bevel gear, and the driving threaded rod is inserted into the The top of the driving threaded rod is fixedly installed on the locking plate, and the two locking blocks are installed on the locking plate through the locking adjustment unit. , the top of the locking block is arranged in an arc shape, the driving belt component includes a driving pulley, a passive pulley and a driving belt, the driving pulley is fixedly installed on the driving shaft, the passive pulley is fixedly installed on the driving rotating rod, and the driving belt Connected to the driving pulley and passive pulley.

Preferably, the pre-clamping synchronization unit includes two synchronization blocks, two synchronization racks, a fixed block and a synchronization gear. The two synchronization blocks are respectively fixedly installed at the bottom of the two clamping plates. The load-bearing plate A moving hole is provided corresponding to the position of the synchronizing block. Both synchronizing blocks are slidingly fitted in the moving hole. A fixed block is fixedly installed on the bottom of the bearing plate. The synchronizing gear is rotationally connected to the fixed block. One synchronization rack is fixedly installed on the corresponding synchronization block, and two synchronization racks are respectively located on both sides of the synchronization gear and mesh with the synchronization gear.

Preferably, the locking adjustment unit includes two adjustment blocks and a two-way threaded rod. The two adjustment blocks are respectively fixedly installed on the bottoms of the two locking blocks. The locking plate has an adjustment hole corresponding to the position of the adjustment block. , both adjustment blocks are slidingly fitted in the adjustment holes, the two-way threaded rod penetrates the two adjustment blocks and is threadedly connected to the adjustment blocks, a support block is fixedly installed on the locking plate, and the adjustment block The block is rotationally connected to the support block.

Preferably, a fixed shell is fixedly installed on the carrier plate, the clamping assembly is arranged in the fixed shell, a fixed side plate is fixedly installed in the fixed shell, both ends of the driving shaft are rotatably connected to the corresponding fixed side plates respectively, two connecting blocks are also fixedly installed in the fixed shell, the driving shaft passes through the connecting blocks and is rotatably connected to the connecting blocks, the two connecting blocks are located on both sides of the driving gear, the driving rotating rod is rotatably connected to the corresponding fixed side plate, a stabilizing block is fixedly installed on the fixed side plate, and the driving threaded cylinder is rotatably connected to the stabilizing block.

Preferably, the locking unit is provided with two groups, the locking adjustment unit is provided with two groups corresponding to the locking unit, and the driving threaded rods in the two groups of locking adjustment units are jointly connected with an adjustment synchronization unit, and the adjustment synchronization unit is The unit includes two adjusting pulleys and an adjusting belt. The two adjusting pulleys are respectively fixed and adjusted on the corresponding driving threaded rods. The adjusting belt is connected to the two adjusting pulleys.

Preferably, a avoidance hole is provided on one side of the fixed shell, one of the two driving threaded rods passes through the avoidance hole and is fixedly mounted with a rotating block, and an anti-slip groove is provided on the rotating block.

Preferably, a lifting hydraulic rod is fixedly installed in the drilling machine, and the output end of the lifting hydraulic rod is fixedly installed at the bottom of the fixed housing.

Preferably, rubber blocks are fixedly installed on opposite sides of the two clamping plates, and the pre-clamping unit also includes a limit rod and a limit block, the limit block is fixedly installed on the bottom of the supporting plate, one end of the limit rod is fixedly installed on the limit block, and the other end of the limit rod is fixedly installed on the fixed block, one end of the pre-clamping spring is fixedly installed on the limit block, and the other end of the pre-clamping spring is fixedly installed on the synchronization block, and the pre-clamping spring is sleeved on the limit rod, and a sliding block is fixedly installed on the bottom of the clamping plate, and a sliding groove is opened on the supporting plate at a position corresponding to the sliding block, and the sliding block slidably fits in the sliding groove.

Preferably, the locking plate has a through hole corresponding to the position of the limiting rod, a U-shaped plate is fixedly installed at the bottom of the locking plate, and the locking plate is fixedly installed with the driving threaded rod through the U-shaped plate. .

In summary, the technical effects and advantages of the present invention are:

1. In the present invention, the rotary drill drills the workpiece by lifting the workpiece. Placing the workpiece on the bearing plate can pre-clamp the workpiece through the clamping plate to prevent the workpiece from being displaced. Then, during the process of the workpiece rising, the driving unit is locked Drive the locking block to rise, and the locking block can lock the clamping plate to clamp the workpiece, ensuring that when the workpiece continues to rise and is drilled, the workpiece will not be displaced due to force, ensuring the stability of the workpiece and drilling the workpiece. More accurate. Pre-clamping and locking the workpiece at the same time only requires pushing the clamping plate to move. The clamping plate can drive the other clamping plate to move through the pre-clamping synchronization unit, so that the two clamping plates open and can be released. The workpiece is pre-clamped, and then the workpiece rises and the clamping plate is locked without manual operation. The operation of clamping the workpiece is simpler, the difficulty of getting started is low, the clamping efficiency is improved, and the clamping plate is pushed open, and the workpiece is clamped by letting go. The operation is more convenient;

2. In the present invention, when one of the clamping plates is pushed to move, the clamping plate drives the corresponding synchronous rack to move. The synchronous rack drives the synchronous gear to rotate, and the synchronous gear drives the other synchronous rack to move in the opposite direction. One synchronous rack drives the other clamping plate to move, causing the two clamping plates to move in opposite directions. When clamping the workpiece, only one clamping plate needs to be pushed to move, which simplifies the operation and makes it more convenient to use;

3. In the present invention, when the size of the workpiece is different, the position of the clamping plate after clamping the workpiece through the pre-clamping spring is also different. Workpieces of different sizes need to adjust the position of the locking block. By rotating the two-way threaded rod, the two adjustment blocks Moving on the two-way threaded rod, the two adjustment blocks drive the corresponding locking blocks to move in opposite directions, so that the locking blocks can match workpieces of different sizes and lock clamping plates with different positions, improving applicability.

Description of drawings

In order to explain the embodiments of the present application or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a drilling machine, a rotary drill bit and a clamping assembly in the present invention;

Figure 2 is a schematic structural diagram of the drilling machine, rotary drill bit, clamping assembly and lifting hydraulic rod in the present invention;

Figure 3 is a schematic structural diagram of the fixed housing, load-bearing plate, pre-clamping unit and driving rack in the present invention;

Figure 4 is a schematic structural diagram of the bearing plate, pre-clamping unit, fixed housing, locking drive unit and locking adjustment unit in the present invention;

Figure 5 is a schematic structural diagram of the bearing plate, clamping plate, fixed housing and locking drive unit in the present invention;

Figure 6 is an enlarged view of part A in Figure 5 of the present invention;

Figure 7 is a schematic structural diagram of the rotary drill bit, fixed rod and clamping plate in the present invention;

FIG8 is an enlarged view of part B in FIG7 of the present invention;

Figure 9 is a schematic structural diagram of the locking block, locking plate, adjustment block and two-way threaded rod in the present invention;

Figure 10 is an enlarged view of part C in Figure 9 of the present invention;

Figure 11 is a schematic structural diagram of the clamping plate, synchronization block, limiting rod, pre-clamping spring and load-bearing plate in the present invention;

Figure 12 is an enlarged view of part D in Figure 11 of the present invention.

In the picture: 1. Drilling machine; 2. Clamping component; 21. Bearing plate; 22. Pre-clamping unit; 221. Pre-clamping spring; 222. Clamping plate; 223. Limiting rod; 23. Pre-clamping synchronization Unit; 231, synchronization block; 232, synchronization rack; 233, synchronization gear; 24, locking unit; 241, locking block; 242, locking plate; 25, locking drive unit; 251, driving gear; 252, driving shaft; 253 , Driving belt parts; 254. Driving bevel gear; 255. Passive bevel gear; 256. Driving threaded barrel; 257. Driving threaded rod; 26. Locking adjustment unit; 261. Adjusting block; 262. Bidirectional threaded rod; 3. Rotary drill bit ; 4. Fixed rod; 5. Driving rack; 6. Fixed housing; 7. Adjustment synchronization unit; 8. Rotating block; 9. Lifting hydraulic rod; 10. U-shaped plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Embodiment: Refer to a new type of CNC bench drill shown in Figures 1 to 12, which includes a drill press 1. A clamping assembly 2 is installed on the drill press 1. A rotary drill bit 3 is also installed on the drill press 1 above the clamping assembly 2;

The clamping assembly 2 includes a bearing plate 21, two sets of pre-clamping units 22, a pre-clamping synchronization unit 23, two sets of locking units 24, a locking drive unit 25 and a locking adjustment unit 26;

The clamping component 2 can move vertically;

Two sets of pre-clamping units 22 are installed on the bearing plate 21. The pre-clamping unit 22 includes a pre-clamping spring 221 and a clamping plate 222. The two pre-clamping springs 221 can drive the corresponding clamping plates 222 to move, so that the two pre-clamping springs 221 can drive the corresponding clamping plates 222 to move. The block clamping plates 222 move toward each other to clamp the workpiece;

When the clamping plate 222 in one of the pre-clamping units 22 is moved, the pre-clamping synchronization unit 23 can move the clamping plate 222 in the other pre-clamping unit 22 in the opposite direction;

The locking unit 24 includes two locking blocks 241. When the clamping assembly 2 rises, the locking driving unit 25 can drive the two locking blocks 241 to rise relative to the carrier plate 21, so that the two locking blocks 241 move to the side of the clamping plate 222 away from the workpiece to press the clamping plate 222 tightly.

The locking adjustment unit 26 can drive the two locking blocks 241 to move horizontally in opposite directions.

Push one clamping plate 222 to move, and the clamping plate 222 drives the other clamping plate 222 to move through the pre-clamping synchronization unit 23, and the moving directions are opposite, so that the two clamping plates 222 are opened and squeeze the pre-clamping spring 221, and a workpiece is placed between the two clamping plates 222 on the carrier plate 21, and the clamping plate 222 is released. The pre-clamping spring 221 pushes the clamping plate 222 to move, and the two clamping plates 222 move to clamp the workpiece and push the workpiece to move to the center of the carrier plate 21; then the clamping assembly 2 rises, the carrying plate 21 drives the workpiece to rise, during the rising process, the locking driving unit 25 drives the two locking blocks 241 to rise, the locking blocks 241 rise and press against the side of the clamping plate 222 away from the workpiece, so that the clamping plate 222 clamps the workpiece, the carrying plate 21 continues to rise and drives the workpiece to contact with the rotating drill bit 3, the rotating drill bit 3 rotates to drill the workpiece, the position of the locking blocks 241 can be adjusted by the locking adjustment unit 26, so that the locking blocks 241 and the clamping plate 222 can clamp workpieces of different sizes.

The rotary drill bit 3 drills the workpiece by rising the workpiece. Placing the workpiece on the bearing plate 21 enables the workpiece to be pre-clamped by the clamping plate 222 to prevent the workpiece from being displaced. Then, during the process of the workpiece rising, the locking drive unit 25 drives the lock. Block 241 rises, and the locking block 241 can lock the clamping plate 222 to clamp the workpiece, ensuring that when the workpiece continues to rise and is drilled, the workpiece will not be displaced due to force, ensuring the stability of the workpiece and drilling the workpiece. The hole is more accurate. At the same time, pre-clamping and locking the workpiece only requires pushing the clamping plate 222 to move. The clamping plate 222 can drive the other clamping plate 222 to move through the pre-clamping synchronization unit 23, so that the two clamping plates 222 Open and let go to pre-clamp the workpiece, then the workpiece rises and the clamping plate 222 is locked without manual operation. The operation of clamping the workpiece is simpler, the difficulty of getting started is low, the clamping efficiency is improved, and the clamping plate is pushed 222 is opened and the operation of releasing the workpiece to clamp the workpiece is more convenient.

As another preferred embodiment, when the gravity of the workpiece is large or the contact area with the load-bearing plate 21 is large, so that the pre-clamping spring 221 cannot push the workpiece to move to the center of the load-bearing plate 21 , the workpiece needs to be placed manually. The center of the load-bearing plate 21 is preferably fixedly installed with a positioning protrusion matching the workpiece, thereby ensuring that manual blind operation can place the workpiece at the center of the load-bearing plate 21 .

Further, referring to FIGS. 1 to 12 , a fixed rod 4 is fixedly mounted on the drilling machine 1, a rotary drill bit 3 is mounted on the fixed rod 4, a locking drive unit 25 includes a driving gear 251, a driving shaft 252, a driving belt member 253, a driving rotating rod, an active bevel gear 254, a passive bevel gear 255, a driving threaded cylinder 256 and a driving threaded rod 257, and the locking unit 24 also includes a locking plate 242;

The driving rack 5 is fixedly installed on the fixed rod 4. The driving gear 251 is fixedly sleeved on the driving rotating shaft 252 and meshes with the driving rack 5. The driving belt 253 is installed on the driving rotating shaft 252 and the driving rotating rod. The driving bevel gear 254 is fixedly installed in the rotation of the driving rotating rod. The passive bevel gear 255 is fixedly sleeved on the driving threaded barrel 256 and meshes with the driving bevel gear 254. The driving threaded rod 257 is inserted in the driving threaded barrel 256 and is connected with the driving threaded barrel 256. The top of the driving threaded rod 257 is fixedly installed on the locking plate 242. The two locking blocks 241 are installed on the locking plate 242 through the locking adjustment unit 26. The top of the locking block 241 is arranged in an arc shape. The driving belt member 253 includes an active Pulley, passive pulley and driving belt, the driving pulley is fixedly installed on the driving shaft 252, the passive pulley is fixedly installed on the driving rotating rod, and the driving belt is connected to the driving pulley and the passive pulley.

When the clamping assembly 2 rises, the driving gear 251 moves on the driving rack 5. The driving rack 5 meshes with the driving gear 251 to rotate the driving gear 251. The driving gear 251 drives the driving shaft 252 to rotate, and the driving shaft 252 drives the driving pulley to rotate. , the driving pulley drives the driving belt to rotate, the driving belt drives the passive pulley to rotate, the passive pulley drives the driving bevel gear 254 to rotate, the driving bevel gear 254 drives the passive bevel gear 255 to rotate, the passive bevel gear 255 drives the driving thread barrel 256 to rotate, so that the driving thread rod 257 moves upward in the driving threaded barrel 256, the driving threaded rod 257 drives the locking plate 242 to move upward, the locking plate 242 drives the locking block 241 to move upward, the arc surface of the locking block 241 contacts the clamping plate 222 and moves the clamping plate 222 toward Push in the direction close to the workpiece so that the clamping plate 222 clamps the workpiece. The locking block 241 continues to rise and butts against the side of the clamping plate 222 away from the workpiece to tighten the clamping plate 222.

Further, referring to Figures 1 to 12, the pre-clamping synchronization unit 23 includes two synchronization blocks 231, two synchronization racks 232, a fixed block and a synchronization gear 233. The two synchronization blocks 231 are respectively fixedly mounted on the bottom of the two clamping plates 222. The bearing plate 21 is provided with moving holes at positions corresponding to the synchronization blocks 231. The two synchronization blocks 231 are both slidably fitted in the moving holes. The fixed block is fixedly mounted on the bottom of the bearing plate 21. The synchronization gear 233 is rotatably connected to the fixed block. The two synchronization racks 232 are respectively fixedly mounted on the corresponding synchronization blocks 231. The two synchronization racks 232 are respectively located on both sides of the synchronization gear 233 and mesh with the synchronization gear 233.

When one of the clamping plates 222 is pushed to move, the clamping plate 222 drives the corresponding synchronization rack 232 to move, the synchronization rack 232 drives the synchronization gear 233 to rotate, and the synchronization gear 233 drives the other synchronization rack 232 to move in the opposite direction. Another synchronous rack 232 drives the other clamping plate 222 to move, so that the two clamping plates 222 move in opposite directions. When clamping the workpiece, only one clamping plate 222 needs to be pushed to move, which simplifies the operation and uses more convenient.

Further, referring to Figures 1-12, the locking adjustment unit 26 includes two adjustment blocks 261 and a two-way threaded rod 262. The two adjustment blocks 261 are respectively fixedly installed on the bottoms of the two locking blocks 241, and the corresponding adjustment blocks are on the locking plate 242. There is an adjustment hole at position 261, and the two adjustment blocks 261 are slidably fitted in the adjustment holes. The two-way threaded rod 262 penetrates the two adjustment blocks 261 and is threadedly connected to the adjustment block 261. A support block is fixedly installed on the locking plate 242, and the adjustment block 261 is rotatably connected to the support block.

When the size of the workpiece is different, the position of the clamping plate 222 after clamping the workpiece through the pre-clamping spring 221 is also different. Workpieces of different sizes need to adjust the position of the locking block 241. By rotating the two-way threaded rod 262, the two adjustment blocks 261 are in The two-way threaded rod 262 moves upward, and the two adjustment blocks 261 drive the corresponding locking blocks 241 to move in opposite directions, so that the locking blocks 241 can match workpieces of different sizes and can lock the clamping plates 222 with different positions, improving the applicability. sex.

Further, referring to Figures 1 to 12, a fixed housing 6 is fixedly installed on the load-bearing plate 21, the clamping assembly 2 is arranged in the fixed housing 6, a fixed side plate is fixedly installed in the fixed housing 6, and the driving shaft 252 is Both ends are rotatably connected to corresponding fixed side plates respectively. Two connecting blocks are also fixedly installed in the fixed housing 6. The driving shaft 252 penetrates the connecting block and is rotationally connected with the connecting block. The two connecting blocks are located on both sides of the driving gear 251. side, the driving rotating rod is rotatably connected to the corresponding fixed side plate, a stabilizing block is fixedly installed on the fixed side plate, and the driving threaded barrel 256 is rotatably connected to the stabilizing block.

Further, referring to FIGS. 1-12 , two groups of locking units 24 are provided, and two groups of locking adjustment units 26 are provided corresponding to the locking units 24 . The driving threaded rods 257 in the two groups of locking adjustment units 26 are jointly connected to the adjustment synchronization unit 7 , the adjustment synchronization unit 7 includes two adjustment pulleys and an adjustment belt. The two adjustment pulleys are respectively fixed and adjusted on the corresponding driving threaded rod 257, and the adjustment belt is connected to the two adjustment pulleys.

Through two sets of locking units 24, the clamping plate 222 has a better tightening effect and ensures the stability of the clamping plate 222. When one of the driving threaded rods 257 is rotated, the driving threaded rod 257 drives the corresponding adjustment pulley to rotate. , this adjusting pulley drives another adjusting pulley to rotate through the adjusting belt, and the other adjusting pulley drives another driving threaded rod 257 to rotate, and can drive the two driving threaded rods 257 to rotate at the same time, ensuring that the rotation amounts of the two driving threaded rods 257 are consistent. The adjustment amounts of the locking blocks 241 in the two sets of locking units 24 are consistent to ensure a good clamping effect on the clamping plate 222 .

Further, with reference to Figures 1 to 12, an escape hole is provided on one side of the fixed housing 6. One of the two driving threaded rods 257 passes through the escape hole and is fixedly installed with the rotating block 8. The rotating block 8 is provided with an escape hole. Has anti-slip grooves.

By operating the rotating block 8 to rotate, the rotating block 8 drives one of the driving threaded rods 257 to rotate. The driving threaded rod 257 drives the other driving threaded rod 257 to move by adjusting the synchronization unit 7 . When the locking plate 242 moves upward relative to the bearing plate 21 When the locking plate 242 drives the driving threaded rod 257 to move, the driving threaded rod 257 moves in the avoidance hole.

Further, referring to FIGS. 1 to 12 , a lifting hydraulic rod 9 is fixedly installed in the drilling machine 1 , and the output end of the lifting hydraulic rod 9 is fixedly installed at the bottom of the fixed housing 6 .

The lifting hydraulic rod 9 drives the fixed housing 6 to move, the fixed housing 6 drives the clamping assembly 2 to move, and the clamping assembly 2 drives the workpiece to move, so that the workpiece moves upward and comes into contact with the rotating drill bit 3 to drill the workpiece.

As another preferred embodiment, the rotary drill bit 3 is installed on a two-axis moving platform, so that the rotary drill bit 3 can move horizontally in two directions, thereby adjusting the position on the horizontal plane and drilling holes at different positions of the workpiece.

Further, referring to Figures 1 to 12, rubber blocks are fixedly installed on the opposite sides of the two clamping plates 222. The pre-clamping unit 22 also includes a limit rod 223 and a limit block. The limit block is fixedly installed on the load-bearing At the bottom of the plate 21, one end of the limit rod 223 is fixedly installed on the limit block, the other end of the limit rod 223 is fixedly installed on the fixed block, one end of the pre-clamping spring 221 is fixedly installed on the limit block, and the pre-clamping spring 221 is fixed on the limit block. The other end of the holding spring 221 is fixedly installed on the synchronization block 231, and the pre-clamping spring 221 is set on the limiting rod 223. A sliding block is fixedly installed on the bottom of the clamping plate 222, and the corresponding sliding block position is provided on the load-bearing plate 21. There is a sliding groove, and the sliding block slides and fits in the sliding groove.

When the clamping plate 222 moves, the clamping plate 222 drives the synchronous block 231 to move, and the synchronous block 231 moves on the limiting rod 223, making the clamping plate 222 more stable and less likely to shake. At the same time, the clamping plate 222 drives the sliding block to move in the sliding groove, further making the clamping plate 222 more stable.

The locking block 241 rises through the sliding groove to press the clamping plate 222 tightly.

Further, referring to Figures 1 to 12, the locking plate 242 has a through hole corresponding to the position of the limiting rod 223. The U-shaped plate 10 is fixedly installed at the bottom of the locking plate 242. The locking plate 242 passes through the U-shaped plate 10 and the driving threaded rod 257. Fixed installation.

When the locking plate 242 drives the locking block 241 to move upward, the through hole opened in the locking plate 242 can avoid the limiting rod 223, thereby improving the compactness of the structure.

A connecting rod is also fixedly installed at the bottom of the locking plate 242, and a connecting barrel is fixedly installed in the fixed housing 6. The connecting rod slides and fits in the connecting barrel to ensure the stability of the movement of the locking plate 242.

After the locking plate 242 drives the locking block 241 to rise and tighten the clamping plate 222, the clamping assembly 2 continues to rise, the driving gear 251 is disengaged from the driving rack 5, and the locking block 241 automatically moves between the driving threaded rod 257 and the driving threaded barrel 256. The clamping plate 222 is kept tight under the action of the lock. When the clamping assembly 2 descends, the driving gear 251 engages with the driving rack 5 and drives the locking plate 242 to descend. The locking plate 242 drives the locking block 241 to descend, and the locking block 241 and The clamping plate 222 is out of contact. At this time, the clamping plate 222 can move to remove the workpiece.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments can be modified, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in within the protection scope of the present invention.

Claims (10)

1. A new type of CNC bench drill, including a drilling machine (1), characterized in that: a clamping assembly (2) is installed on the drilling machine (1), and a clamping assembly (2) is located on the drilling machine (1). A rotary drill bit (3) is also installed above; The clamping assembly (2) includes a load-bearing plate (21), two sets of pre-clamping units (22), a pre-clamping synchronization unit (23), two sets of locking units (24), a locking drive unit (25) and a locking unit. Adjustment unit(26); The clamping component (2) can move vertically; Two sets of pre-clamping units (22) are installed on the carrier plate (21). The pre-clamping unit (22) includes a pre-clamping spring (221) and a clamping plate (222). Two pre-clamping units (22) The spring (221) can drive the corresponding clamping plate (222) to move, so that the two clamping plates (222) move toward each other to clamp the workpiece; When the clamping plate (222) in one of the pre-clamping units (22) is moved, the pre-clamping synchronization unit (23) can cause the clamping plate (222) in the other pre-clamping unit (22) to move. The clamping plate (222) moves in the opposite direction; The locking unit (24) includes two locking blocks (241). When the clamping assembly (2) rises, the locking driving unit (25) can drive the two locking blocks (241) relative to the load bearing. The plate (21) rises, causing the two locking blocks (241) to move to the side of the clamping plate (222) away from the workpiece to tighten the clamping plate (222); The locking adjustment unit (26) can drive the two locking blocks (241) to move horizontally and in opposite directions. 2. A new type of CNC bench drill according to claim 1, characterized in that: a fixed rod (4) is fixedly installed on the drilling machine (1), and the rotary drill bit (3) is installed on the fixed rod (4). 4), the locking drive unit (25) includes a driving gear (251), a driving rotating shaft (252), a driving belt (253), a driving rotating rod, a driving bevel gear (254), a driven bevel gear (255), Driving threaded barrel (256) and driving threaded rod (257), the locking unit (24) also includes a locking plate (242); A driving rack (5) is fixedly installed on the fixed rod (4), and the driving gear (251) is fixedly sleeved on the driving shaft (252) and meshes with the driving rack (5). The driving belt (253) is installed on the driving shaft (252) and the driving rotating rod, the driving bevel gear (254) is fixedly installed on the rotation of the driving rotating rod, and the passive bevel gear (255) is fixedly sleeved. It is connected to the driving thread barrel (256) and meshes with the driving bevel gear (254). The driving thread rod (257) is inserted into the driving thread barrel (256) and meshes with the driving thread. The barrel (256) is threaded, the top of the driving threaded rod (257) is fixedly installed on the locking plate (242), and the two locking blocks (241) are installed on the locking plate (242) through the locking adjustment unit (26). On the locking plate (242), the top of the locking block (241) is arranged in an arc shape. The driving belt member (253) includes a driving pulley, a passive pulley and a driving belt. The driving pulley is fixedly installed on the driving shaft (253). 252), the passive pulley is fixedly installed on the driving rotating rod, and the driving belt is connected to the driving pulley and the passive pulley. 3. A new type of CNC bench drill according to claim 2, characterized in that: the pre-clamping synchronization unit (23) includes two synchronization blocks (231), two synchronization racks (232), and a fixed block. and synchronization gear (233), two synchronization blocks (231) are respectively fixedly installed at the bottom of the two clamping plates (222), and the load-bearing plate (21) is provided with a position corresponding to the synchronization block (231). The two synchronization blocks (231) are slidingly fitted in the moving hole, the fixed block is fixedly installed on the bottom of the bearing plate (21), the synchronization gear (233) is rotationally connected to the fixed block, and the two One synchronization rack (232) is fixedly installed on the corresponding synchronization block (231), and two synchronization racks (232) are respectively located on both sides of the synchronization gear (233) and connected with the synchronization gear. (233) Engagement. 4. A new type of CNC bench drill according to claim 2, characterized in that: the locking adjustment unit (26) includes two adjustment blocks (261) and a bidirectional threaded rod (262), and the two adjustment blocks (261) are respectively fixedly installed at the bottom of the two locking blocks (241). The locking plate (242) is provided with an adjustment hole corresponding to the position of the adjustment block (261). Both adjustment blocks (261) slide Fitted in the adjustment hole, the two-way threaded rod (262) penetrates the two adjustment blocks (261) and is threadedly connected with the adjustment blocks (261). A support block is fixedly installed on the locking plate (242). The adjustment block (261) is rotatably connected to the support block. 5. A new type of CNC bench drill according to claim 2, characterized in that: a fixed housing (6) is fixedly installed on the bearing plate (21), and the clamping assembly (2) is arranged on the In the fixed housing (6), a fixed side plate is fixedly installed in the fixed housing (6), and both ends of the driving shaft (252) are respectively rotatably connected to the corresponding fixed side plates. The fixed housing (6) There are also two connecting blocks fixedly installed inside. The driving shaft (252) passes through the connecting block and is rotationally connected with the connecting block. The two connecting blocks are located on both sides of the driving gear (251) and drive the rotating rod to rotate. Connected to the corresponding fixed side plate, a stabilizing block is fixedly installed on the fixed side plate, and the driving threaded barrel (256) is rotationally connected to the stabilizing block. 6. A new type of CNC bench drill according to claim 2, characterized in that: the locking unit (24) is provided with two groups, and the locking adjustment unit (26) is provided with two groups corresponding to the locking unit (24). Two groups, the driving threaded rods (257) in the two groups of locking adjustment units (26) are jointly connected with an adjustment synchronization unit (7), the adjustment synchronization unit (7) includes two adjustment pulleys and an adjustment belt, two The adjusting pulleys are respectively fixed and adjusted on the corresponding driving threaded rods (257), and the adjusting belts are connected to the two adjusting pulleys. 7. A new type of CNC bench drill according to claim 5, characterized in that: an escape hole is provided on one side of the fixed housing (6), and one of the two driving threaded rods (257) The root passes through the avoidance hole and a rotating block (8) is fixedly installed. The rotating block (8) is provided with an anti-slip groove. 8. A new type of CNC bench drill according to claim 5, characterized in that: a lifting hydraulic rod (9) is fixedly installed in the drilling machine (1), and the output end of the lifting hydraulic rod (9) is fixedly installed. at the bottom of the fixed housing (6). 9. A new type of CNC bench drill according to claim 3, characterized in that: rubber blocks are fixedly installed on opposite sides of the two clamping plates (222), and the pre-clamping unit (22) It also includes a limit rod (223) and a limit block. The limit block is fixedly installed on the bottom of the load-bearing plate (21). One end of the limit rod (223) is fixedly installed on the limit block. The other end of the position rod (223) is fixedly installed on the fixed block, one end of the pre-clamping spring (221) is fixedly installed on the limit block, and the other end of the pre-clamping spring (221) is fixedly installed on the limiting block. On the synchronization block (231), and the pre-clamping spring (221) is set on the limiting rod (223), a sliding block is fixedly installed on the bottom of the clamping plate (222), and the load-bearing A sliding groove is provided on the plate (21) corresponding to the position of the sliding block, and the sliding block is slidably fitted in the sliding groove. 10. A new type of CNC bench drill according to claim 9, characterized in that: the locking plate (242) has a through hole corresponding to the position of the limiting rod (223), and the locking plate (242) A U-shaped plate (10) is fixedly installed at the bottom, and the locking plate (242) is fixedly installed with the driving threaded rod (257) through the U-shaped plate (10).