CN117001045A - Horizontal numerical control center drilling equipment - Google Patents

Abstract

The application relates to the technical field of part surface drilling, and in particular provides horizontal numerical control center drilling equipment, which comprises the following components: the numerical control center box body consists of a fixed table, four fixing frames which are arranged in a rectangular mode and are arranged on the fixed table, and a top plate which is arranged at the top of the four fixing frames, and a numerical control drilling machine is arranged on the top plate. According to the application, through the cooperation of the inner supporting mechanism and the clamping and locking mechanism, the inner and outer dual fixing of the workpiece is realized, the fixing stability of the workpiece is improved, the workpiece can be driven to rotate to switch the drilling end face, so that the rotation and switching of the drilling end face of the workpiece are convenient, the dual effect is achieved, and when the workpiece is fixed, the fixing of the inner and outer sides is at the corners of the workpiece, so that the fixing of the workpiece can be realized, and the drilling of the workpiece is not influenced.

Description

Horizontal numerical control center drilling equipment

Technical Field

The application relates to the technical field of drilling of the surfaces of parts, and particularly provides horizontal numerical control center drilling equipment.

Background

The horizontal numerical control center is a processing device, the operation and control of the processing device are completed through a computer numerical control system, and various complex processing operations can be completed on one device, and the horizontal numerical control center can realize multi-axis linkage and complex processing paths, so the horizontal numerical control center is suitable for processing complex parts, such as drilling processing of complex box parts (shown in fig. 10).

However, when the complex box parts are drilled through the numerical control center, because the four side walls of the box parts (the box parts are hereinafter collectively called as workpieces) are required to be drilled, and the hole diameters of part of the holes are different, the end faces of the workpieces are required to be continuously disassembled and converted and then fixed and the other end face is processed, so that the convenience of workpiece processing is reduced, and when the workpieces are transversely and longitudinally moved according to processing requirements, the fixing clamp drives the workpieces to move, the flexibility is poor, and the fixing clamp for fixing the workpieces is easy to shake due to the impact force of the holes in the processing process, so that the quality of workpiece drilling processing is reduced.

Disclosure of Invention

In view of the above problems, an embodiment of the present application provides a horizontal numerical control center drilling device, so as to solve the technical problems set forth in the background art.

In order to achieve the above object, the embodiment of the present application provides the following technical solutions: a horizontal numerically controlled center drilling apparatus comprising: the numerical control center box body consists of a fixed table, four fixing frames which are arranged in a rectangular mode and are arranged on the fixed table, and a top plate which is arranged at the top of the four fixing frames, and a numerical control drilling machine is arranged on the top plate.

The top of fixed station is installed and is the supporting seat that the rectangle was arranged, and the top of supporting seat is installed and is accepted the board, and the clearance between two adjacent accepting the board forms the removal passageway.

The device is characterized in that a fixed base is connected to the bearing plate in a sliding manner, a sliding driving mechanism is arranged at the bottom of the fixed base and used for moving at the moving channel and driving the fixed base to slide on the bearing plate, an inner supporting mechanism which is used for carrying out inner supporting and fixing on a workpiece and driving the workpiece to rotate so as to switch the end face of a drilling hole is arranged on the fixed base, and a clamping and locking mechanism which is used for carrying out outer clamping and locking on the workpiece is also arranged on the fixed base.

And a positioning locking mechanism for locking and fixing the sliding driving mechanism is arranged on the supporting seat.

The inner supporting mechanism comprises a mounting groove formed in a fixed base, a mounting cover is mounted on the mounting groove, a rotating disk with the same axle center is rotatably connected to the mounting cover, a rotating driving group for driving the rotating disk to rotate is mounted in the mounting cover, a connecting cylinder with the same axle center is fixedly mounted on the rotating disk, a plurality of inner supporting plates are mounted on the outer ring surface of the connecting cylinder through a supporting driving group, and the inner supporting plates are uniformly distributed along the circumferential direction of the connecting cylinder.

The sliding driving mechanism comprises a reversing shaft which is rotationally connected to the bottom of the fixed base, an equipment box is fixedly arranged at the bottom of the reversing shaft, a transmission shaft is arranged on the equipment box, a driving source which drives the transmission shaft to rotate is arranged in the equipment box, walking wheels which are arranged at two sides of the equipment box are arranged at two ends of the transmission shaft, the walking wheels are in contact with the upper end face of the fixed table, fixed-point inserted bars which are arranged in a rectangular mode and slide to penetrate through the bottom of the equipment box are arranged at the bottom of the equipment box through pressing locking groups, rubber propping heads are arranged at the lower ends of the fixed-point inserted bars, and when the transmission shaft is not driven by the driving source to rotate, the pressing locking groups push the fixed-point inserted bars to move downwards until the rubber propping heads are propped against the fixed table.

In one possible implementation mode, the clamping and locking mechanism comprises an L-shaped bracket with a horizontal section connected with the side wall of a fixed base in a sliding way, a fixed disc is arranged on the vertical section of the L-shaped bracket, the fixed disc is opposite to the rotating disc and is coaxially arranged, the end face of the fixed disc, which is close to the connecting cylinder, is rotationally connected with a pressing rotary disc, a clamping group is arranged between the pressing rotary disc and the fixed disc and used for limiting the rotation of the pressing rotary disc, four lug plates which are uniformly distributed along the circumferential direction of the outer ring surface of the pressing rotary disc are arranged on the outer ring surface of the pressing rotary disc, pull and move grooves are formed on the lug plates, conical grooves concentric with the pressing rotary disc are formed on the pressing rotary disc, the conical grooves extend to the fixed disc, the small caliber of the conical grooves face the connecting cylinder, the conical grooves are connected with conical cylinders in a sliding way, the small caliber ends of the conical cylinders face the connecting cylinder, and the pressing heads are arranged, the friction-reducing ball is arranged on the propping head, the pushing spring telescopic rod is arranged at the large-caliber end of the conical barrel, the other end of the pushing spring telescopic rod is propped against the inner wall of the conical groove on the fixed disc through self elasticity, the L-shaped pull rod is arranged in the pull moving groove, the side wall of the conical barrel is provided with limiting grooves uniformly distributed along the circumferential direction of the side wall of the conical barrel, one end of the L-shaped pull rod sequentially penetrates through the lug plate, the propping rotary table and the limiting grooves are rotationally connected with the limiting wheels, the axial length of the limiting wheels is larger than the width of the limiting grooves, the other end of the L-shaped pull rod is provided with a clamping plate which is positioned on the lug plate and is of an L-shaped structure, the L-shaped pull rod is connected with the pull moving groove through a jacking spring, and the L-shaped pull rod pulls the limiting wheels to be clung to the inner wall of the conical barrel under the elastic action of the jacking spring.

In a possible implementation mode, the top support driving group comprises a supporting ring which is connected to the inner wall of the connecting cylinder in a sliding manner through a connecting strip and is uniformly distributed along the axial direction of the connecting cylinder, a cylinder is mounted on the rotating disk, a movable shaft penetrating into the connecting cylinder is mounted at the telescopic end of the cylinder, the supporting ring is sleeved on the movable shaft, a conical top column which is staggered with the supporting ring is fixedly sleeved on the movable shaft, a sliding rod which is uniformly distributed along the length direction of the inner supporting plate is mounted on the end face of the inner supporting plate, the sliding rod penetrates through the connecting cylinder and is provided with sliding balls, the sliding balls are in inclined surface contact with the conical top column, and a retraction spring sleeved on the sliding rod is mounted between the inner supporting plate and the connecting cylinder.

In a possible implementation mode, location locking mechanism is including connecting two fin boards on the equipment box, two fin boards are located directly over two walking wheels respectively, the cover is equipped with two grip blocks of upper and lower gliding in the supporting seat outside, the grip block is back type structure, the fin board is located between the grip block of upper and lower both sides, the cross groove has been seted up on the supporting seat, the tip in cross groove all is the opening form, symmetrical sliding connection has two cross from top to bottom in the cross groove, and the cross slides from top to bottom along the cross groove, the rack is all installed to the inner wall of the grip block that corresponds after the tip of cross extends to cross groove outside, the rack that the cross that is located the upside is connected vertically slides and runs through the cross that is located the downside, set up with two racks in the cross groove relatively, the holding tank corresponds one by one with the supporting seat on the fixed station, and the holding tank extends to the supporting seat in with cross groove intercommunication, the cross groove is rotated and is connected with a plurality of evenly arranged length along the rotation of corresponding axial direction of shafts along the rotation of the same, it is located along the corresponding axial direction of rotation of the fixed carrier, the rotation of the fixed carrier is arranged.

In a possible implementation mode, the spring groove of symmetrical arrangement is seted up at unable adjustment base's top, sliding connection has the backup pad in the spring groove, is connected through reset spring between backup pad and the spring groove, and the seat of accepting the work piece is installed at the top of backup pad, and triangular blocks can be installed to the opposite face homoenergetic of two backup pads, and the inclined plane of two triangular blocks forms the splayed region of heavy-calibre end orientation L type support, and the connecting rod of symmetrical arrangement is installed to the vertical section of L type support, and the ejector pin is installed to one side that the connecting rod is close to the triangular block.

In one possible implementation mode, the rotary driving group comprises a gear ring connected to one side of the rotary disk far away from the connecting cylinder and a rotating shaft rotatably connected to the mounting cover, and a driving gear is fixedly sleeved on the rotating shaft and meshed with the gear ring for transmission.

The above technical solutions in the embodiments of the present application have at least one of the following technical effects: 1. according to the application, through the cooperation of the inner supporting mechanism and the clamping and locking mechanism, the inner and outer dual fixing of the workpiece is realized, the fixing stability of the workpiece is improved, the workpiece can be driven to rotate to switch the drilling end face, so that the rotation and switching of the drilling end face of the workpiece are convenient, the dual effect is achieved, and when the workpiece is fixed, the fixing of the inner and outer sides is at the corners of the workpiece, so that the fixing of the workpiece can be realized, and the drilling of the workpiece is not influenced.

2. The sliding driving mechanism can drive the workpiece fixed on the fixed base to flexibly move along the moving channel, so that the flexibility of workpiece moving and processing is improved, the pressing locking group, the rubber abutting head and the positioning locking mechanism realize the double fixing effect on the fixed base, the problem that the fixed base is easy to shake due to the impact force of drilling in the workpiece processing process, and the drilling processing quality of the workpiece is reduced is avoided, and the accuracy of workpiece drilling processing is improved.

3. The clamping plates on the upper side and the lower side of the fixed base can slide simultaneously, so that the limiting and fixing effects can be achieved when the reversing shaft at the lower end of the fixed base moves to any position in the moving channel, and the full guarantee is provided for positioning and locking of the fixed base.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the whole structure of the present application.

Fig. 2 is a partial perspective view of the present application of fig. 1.

Fig. 3 is a schematic perspective view of the fixing base, the sliding driving mechanism, the inner supporting mechanism and the clamping and locking mechanism of the present application.

Fig. 4 is a schematic view of the present application in partial cross-section and perspective view of fig. 3.

Fig. 5 is a schematic perspective view of the internal support mechanism of the present application.

Fig. 6 is a schematic cross-sectional view of the fixed base and the sliding driving mechanism of the present application.

Fig. 7 is a schematic cross-sectional view of the clamp locking mechanism of the present application.

Fig. 8 is a schematic cross-sectional view of the detent locking mechanism of the present application.

Fig. 9 is a schematic structural view of the clamping plate and the cross of the present application.

Fig. 10 is a schematic perspective view of the workpiece after drilling.

Reference numerals: 1. a numerical control center box body; 10. a fixed table; 101. a rectangular box; 102. a transparent door panel; 103. a sealing plate; 11. a fixing frame; 12. a top plate; 2. a support base; 3. a receiving plate; 4. a moving channel; 5. a fixed base; 50. a support plate; 51. a return spring; 52. a socket; 53. triangular blocks; 54. pushing the push rod; 6. a slip driving mechanism; 60. a reversing shaft; 61. an equipment box; 62. a transmission shaft; 63. a walking wheel; 64. pressing down the locking group; 640. an electric push rod; 641. rectangular connecting plates; 65. fixed-point inserted bars; 66. a rubber abutment; 7. an inner support mechanism; 70. a mounting cover; 71. a rotating disc; 72. a rotary drive group; 720. a rotating shaft; 721. a gear ring; 73. a jack driving group; 730. a support ring; 731. a cylinder; 732. a movable shaft; 733. a conical top column; 734. a sliding rod; 735. a spring is retracted and pulled; 74. an inner support plate; 75. a connecting cylinder; 8. clamping and locking mechanisms; 80. an L-shaped bracket; 81. a fixed plate; 82. pressing the rotary table; 820. a pushing spring; 821. clamping beads; 83. ear plates; 84. a conical groove; 85. a conical cylinder; 86. a pressing head; 87. pushing the spring telescopic rod; 88. an L-shaped pull rod; 89. a limit groove; 801. a limiting wheel; 802. a clamping plate; 803. a jack-up spring; 9. positioning and locking mechanism; 90. a fin plate; 91. a clamping plate; 92. a cross; 93. a receiving groove; 94. a rack; 95. a driving shaft; 96. a rotary gear; 13. a workpiece.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order that those skilled in the art will better understand the present application, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, a horizontal type numerical control center drilling apparatus includes: the numerical control center box body 1, the numerical control center box body 1 comprises a fixed table 10, four fixing frames 11 which are arranged in a rectangular shape and are arranged on the fixed table 10, and a top plate 12 which is arranged at the top of the four fixing frames 11, wherein a numerical control drilling machine is arranged on the top plate 12.

Referring to fig. 2, a supporting seat 2 arranged in a rectangular shape is mounted on the top of the fixed table 10, a receiving plate 3 is mounted on the top of the supporting seat 2, and a moving channel 4 is formed by a gap between two adjacent receiving plates 3.

Referring to fig. 2, 4 and 5, the receiving plate 3 is slidably connected with a fixed base 5, a sliding driving mechanism 6 is installed at the bottom of the fixed base 5, the sliding driving mechanism 6 is used for moving at the moving channel 4 and driving the fixed base 5 to slide on the receiving plate 3, an inner supporting mechanism 7 for supporting and fixing the workpiece 13 internally and driving the workpiece 13 to rotate so as to switch the end surface of the drilling hole is installed on the fixed base 5, and a clamping and locking mechanism 8 for clamping and locking the workpiece 13 externally is also installed on the fixed base 5; the support seat 2 is provided with a positioning and locking mechanism 9 for locking and fixing the sliding driving mechanism 6.

Referring to fig. 3, the inner supporting mechanism 7 includes a mounting groove formed on the fixed base 5, a mounting cover 70 is mounted on the mounting groove, a rotating disc 71 with a coaxial center is rotatably connected to the mounting cover 70, a rotating driving group 72 for driving the rotating disc 71 to rotate is mounted in the mounting cover 70, a connecting cylinder 75 with a coaxial center is fixedly mounted on the rotating disc 71, a plurality of inner supporting plates 74 are mounted on the outer ring surface of the connecting cylinder 75 through a supporting driving group 73, and the inner supporting plates 74 are uniformly distributed along the circumferential direction of the connecting cylinder 75.

The plurality of inner supporting plates 74 are driven to move towards the inner wall of the workpiece 13 by the supporting driving group 73 until the inner supporting plates 74 are abutted against the inner wall of the workpiece 13, the side edges of the inner supporting plates 74 are aligned with the side edges of the outer wall of the workpiece 13, the inner supporting plates 74 are prevented from influencing the drilling of the workpiece 13, and meanwhile, the workpiece 13 can be fixed.

Referring to fig. 4 and 6, the sliding driving mechanism 6 includes a reversing shaft 60 rotatably connected to the bottom of the fixed base 5, the bottom of the fixed base 5 is provided with uniformly arranged bearing balls, the bearing balls are used for reducing friction force of the fixed base 5 when the bearing plate 3 moves, the bottom of the reversing shaft 60 is fixedly provided with a device box 61, a driving shaft 62 is installed on the device box 61, a driving source (such as a first motor) for driving the driving shaft 62 to rotate is installed in the device box 61, the first motor is matched with a sprocket chain mechanism to enable the driving shaft 62 to rotate (the first motor and the sprocket chain mechanism are not shown in the drawing), two ends of the driving shaft 62 are provided with travelling wheels 63 located at two sides of the device box 61, the travelling wheels 63 are in contact with the upper end surface of the fixed table 10, a fixed point insert rod 65 which is rectangular in arrangement and slides through the bottom of the device box 61 is installed at the bottom of the fixed point insert rod 65 through a pressing locking group 64, a rubber abutment 66 is installed at the lower end of the fixed point insert rod 65, and when the driving source does not drive the driving shaft 62 to rotate, the fixed point insert rod 65 is pushed down until the rubber abutment 66 abuts against the fixed table 10.

The outside of work piece 13 is rectangular structure, and the inner wall is circular cavity form (as shown in fig. 10), installs the second motor that drives reversing shaft 60 and rotate on the fixed base 5, and when reversing shaft 60 need the switching-over at the intersection of travel path 4, the second motor drives reversing shaft 60 and equipment box 61 and walking wheel 63 and rotates the switching-over.

When the workpiece 13 needs to be moved to a corresponding processing position, the first motor is started, the first motor drives the transmission shaft 62 to rotate, the transmission shaft 62 drives the travelling wheel 63 to rotate in the rotating process, so that the equipment box 61 and the reversing shaft 60 drive the fixed base 5 to move, and accordingly the workpiece 13 is moved to the corresponding processing station, when the first motor stops working, the locking group 64 is pressed down to start working, the fixed point inserting rod 65 and the rubber abutting head 66 are pushed down by the locking group 64 until the rubber abutting head 66 abuts against the fixed table 10, the instant stopping effect is achieved, the travelling wheel 63 is prevented from continuously driving the fixed base 5 to move under the action of inertia, the moving accuracy of the fixed base 5 is affected, then the equipment box 61 is fixed through the positioning locking mechanism 9, locking and fixing of the position of the fixed base 5 are achieved, shaking of the fixed base 5 is avoided in the drilling process of the workpiece 13, the accuracy of the drilling process of the workpiece 13 is improved, meanwhile, the bearing base 5 is supported by the pressing locking group 64 and the positioning locking mechanism 9, and stability of the fixed base 5 is improved when the fixed base 5 is supported.

Referring to fig. 3, 4, 6 and 7, the clamping and locking mechanism 8 includes an L-shaped bracket 80 with a horizontal section slidably connected with a side wall of the fixed base 5, a fixed disk 81 is mounted on a vertical section of the L-shaped bracket 80, the fixed disk 81 is opposite to the rotating disk 71 and coaxially disposed, an abutting turntable 82 is rotatably connected to an end surface of the fixed disk 81 near the connecting cylinder 75, a clamping set is mounted between the abutting turntable 82 and the fixed disk 81, the clamping set is used for limiting rotation of the abutting turntable 82, four lugs 83 uniformly distributed along a circumferential direction of the abutting turntable 82 are mounted on an outer ring surface of the abutting turntable 82, pulling and moving grooves are formed on the lugs 83, tapered grooves 84 concentric with the abutting turntable 82 are formed on the abutting turntable, the tapered grooves 84 extend to the fixed disk 81, a small caliber of the tapered grooves 84 faces the connecting cylinder 75, the tapered grooves 84 are slidably connected with a tapered cylinder 85, the small-caliber end of the conical barrel 85 faces the connecting barrel 75 and is provided with an abutting head 86, the abutting head 86 is provided with antifriction balls, the large-caliber end of the conical barrel 85 is provided with a pushing spring telescopic rod 87, the other end of the pushing spring telescopic rod 87 abuts against the inner wall of a conical groove 84 on the fixed disc 81 through self elasticity, an L-shaped pull rod 88 is arranged in the pulling groove, the side wall of the conical barrel 85 is provided with limiting grooves 89 uniformly distributed along the circumferential direction of the side wall, one end of the L-shaped pull rod 88 sequentially penetrates through the lug plate 83, the abutting turntable 82 and the limiting grooves 89 and then is rotationally connected with a limiting wheel 801, the axial length of the limiting wheel 801 is larger than the width of the limiting groove 89, the other end of the L-shaped pull rod 88 is provided with a clamping plate 802 which is positioned on the lug plate 83 and is in an L-shaped structure, the L-shaped pull rod 88 is connected with the pulling groove through a jacking spring 803, the L-shaped pull rod 88 pulls the limiting wheel 801 to be clung to the inner wall of the conical barrel 85 under the elastic force of the jacking spring 803.

Referring to fig. 3, 4, 6 and 7, the clamping set includes a plurality of rectangular grooves formed on an end surface of a side of the fixing plate 81, which is close to the pressing turntable 82, the rectangular grooves are uniformly distributed along a circumferential direction of the fixing plate 81, fixing blocks are mounted in the rectangular grooves through pressing springs 820, clamping beads 821 are mounted on the fixing blocks, arc clamping grooves (refer to fig. 7) corresponding to the clamping beads 821 one to one are formed on the pressing turntable 82, and the arc clamping grooves are matched with the clamping beads 821 to achieve a limiting function on the pressing turntable 82, so that the clamping plates 802 are aligned with top corners of the workpieces 13 accurately.

The L-shaped bracket 80 is provided with an external electric sliding block for driving the L-shaped bracket 80 to move, after the inner supporting mechanism 7 supports and fixes the workpiece 13, the electric sliding block drives the L-shaped bracket 80 to drive the pressing rotary table 82 to move towards the workpiece 13, when the antifriction balls on the pressing head 86 are in contact with the workpiece 13, the pressing head 86 drives the conical cylinder 85 to extrude the pushing spring telescopic rod 87 to shrink and enable the pushing spring telescopic rod to move towards the conical groove 84, in the moving process of the conical cylinder 85, the conical cylinder 85 is in rolling contact with the limit wheel 801 through the inclined surface of the conical cylinder 85, so that the limit wheel 801 is driven to roll along the inclined surface of the inner wall of the conical cylinder 85, the limit wheel 801 is driven by the inclined surface of the conical cylinder 85 to pull the L-shaped pull rod 88 to move towards the axis of the conical groove 84, the L-shaped pull rod 88 extrudes the jacking spring 803 and drives the clamping plate 802 to move towards the workpiece 13 until the four clamping plates 802 are clamped at the four top corners of the workpiece 13, so that the clamping and locking effect on the workpiece 13 is realized, and the internal and external double fixing of the workpiece 13 is accepted, so that the stability in the process of fixing and drilling of the workpiece 13 is improved, and the convenience of the end face conversion of the workpiece 13 is improved. When the rotary disk 71 drives the workpiece 13 to perform end face conversion, it drives the pressing rotary disk 82 together to rotate, and when the end face conversion of the workpiece 13 is completed, the clamping beads 821 are clamped into the corresponding arc-shaped clamping grooves.

Referring to fig. 3, 4 and 5, the rotary driving set 72 includes a gear ring 721 connected to a side of the rotary disc 71 away from the connecting cylinder 75, and a rotating shaft 720 rotatably connected to the mounting cover 70, a driving gear is fixedly sleeved on the rotating shaft 720, the driving gear is meshed with the gear ring 721 and driven, the rotating shaft 720 is connected with an external drive (such as a third motor, which is not shown in the drawings), when the workpiece 13 needs to perform the conversion of the processing end surface, the driving gear is driven to rotate by the rotating shaft 720 through the third motor, and the driving gear drives the rotary disc 71, the connecting cylinder 75 and the workpiece 13 to integrally rotate through meshing with the gear ring 721, so that the workpiece 13 rotates to switch the processing end surface, the operation of disassembling and converting the workpiece end surface and then fixing is not required, thereby improving the convenience of the conversion of the processing end surface of the workpiece 13, and improving the stability and practicality of the workpiece 13, and improving the processing efficiency.

Referring to fig. 4 and 5, the jack-up driving set 73 includes a supporting ring 730 slidably connected to the inner wall of the connecting tube 75 through a connecting bar and uniformly distributed along the axial direction thereof, a cylinder 731 is mounted on the rotating disc 71, a moving shaft 732 penetrating into the connecting tube 75 is mounted at the telescopic end of the cylinder 731, the supporting ring 730 is sleeved on the moving shaft 732, a multi-point supporting effect on the moving shaft 732 is achieved through the connecting bar and the supporting ring 730, tapered jack-up posts 733 staggered with the supporting ring 730 are fixedly sleeved on the moving shaft 732, a sliding rod 734 uniformly distributed along the length direction of the inner supporting plate 74 is mounted on the end surface of the inner supporting plate 74 close to the connecting tube 75, sliding balls are mounted after the sliding rod 734 penetrates through the connecting tube 75, the sliding balls are in contact with the inclined surfaces of the tapered jack-up posts 733, and a retracting spring 735 sleeved on the sliding rod 734 is mounted between the inner supporting plate 74 and the connecting tube 75.

When the workpiece 13 is sleeved on the connecting cylinder 75 and is in interference with the rotating disc 71, the cylinder 731 is started, the cylinder 731 pushes the moving shaft 732 to move in a direction away from the rotating disc 71, the moving shaft 732 drives the conical jack-up posts 733 to move, the conical jack-up posts 733 push the plurality of sliding rods 734 distributed along the circumferential direction of the conical jack-up posts to expand outwards, so that the sliding rods 734 push the inner supporting plates 74 to move towards the inner wall of the workpiece 13 until the inner supporting plates 74 are abutted against the inner wall of the workpiece 13, the inner supporting and fixing of the workpiece 13 are realized, the side edges of the inner supporting plates 74 are aligned with the side edges of the outer wall of the workpiece 13, the inner supporting plates 74 are prevented from influencing the drilling processing of the workpiece 13, and meanwhile, the workpiece 13 can be fixed.

Referring to fig. 6, the pressing locking set 64 includes an electric push rod 640 installed in the equipment box 61, a rectangular connecting plate 641 is installed at a telescopic end of the electric push rod 640, the fixed point plunger 65 is connected to a lower end surface of the rectangular connecting plate 641, when the first motor in the equipment box 61 stops working, the electric push rod 640 starts working, the electric push rod 640 pushes the rectangular connecting plate 641 to move downwards, so that a rubber abutment 66 at the lower end of the fixed point plunger 65 is driven to abut against and contact with the top of the fixed table 10, an instant stopping effect on the fixed base 5 is achieved through friction between the rubber abutment 66 and the fixed table 10, and the situation that the travelling wheel 63 drives the fixed base 5 to move continuously under the action of rotation inertia, so that the stopping position of the fixed base 5 is inaccurate is avoided.

Referring to fig. 4, fig. 8 and fig. 9, the positioning and locking mechanism 9 includes two fin plates 90 connected to the equipment box 61, the two fin plates 90 are respectively located right above the two travelling wheels 63, two clamping plates 91 sliding up and down are sleeved outside the supporting seat 2, the clamping plates 91 are in a back-shaped structure, the fin plates 90 are located between the clamping plates 91 on the upper side and the lower side, a cross-shaped groove is formed in the supporting seat 2, the end parts of the cross-shaped groove are all in an open shape, two cross frames 92 are vertically and symmetrically connected in the cross-shaped groove in a sliding manner, the cross frames 92 vertically slide along the cross-shaped groove, the end parts of the cross frames 92 extend to the inner walls of the corresponding clamping plates 91 after being connected to the outside of the cross-shaped groove, racks 94 are respectively installed at the lower ends of the cross frames 92, racks 94 connected with the cross frames 92 vertically slide through the cross frames 92 located at the lower side, two racks 94 in the same cross-shaped groove are oppositely arranged, a rectangular containing groove 93 is formed in the supporting seat 10, the containing groove is uniformly arranged, the containing groove 93 is in a rotary manner, the containing groove is uniformly arranged along the length of the corresponding to the supporting seat 2, the corresponding to the two bearing shafts 95 are in a rotary manner, and the corresponding containing grooves 95 are fixedly arranged along the axial directions of the two bearing shafts 95, and the corresponding directions are fixedly arranged along the directions, and the corresponding axial directions are connected with the corresponding bearing shafts 95.

The plurality of driving shafts 95 penetrate through the fixed table 10 and are connected through sprocket and chain transmission (not shown in the figure), one driving shaft 95 is connected with an external fourth motor, when the movement of the fixed base 5 is stopped, the fourth motor enables the plurality of driving shafts 95 to synchronously rotate under the cooperation of the driving shafts 95 connected with the driving shafts and the sprocket and chain, the driving shafts 95 rotate to drive the rotating gears 96 to rotate, the rotating gears 96 are meshed with the racks 94 on two sides so as to drive the racks 94 connected with the upper cross 92 to move downwards, drive the racks 94 connected with the lower cross 92 to move upwards, and the upper and lower racks 94 drive the upper and lower clamping plates 91 to move through the corresponding cross 92, finally clamp and limit the fin plates 90, so that the stability of the fixed base 5 is improved, the shaking of the fixed base 5 in the drilling process of the workpiece 13 is avoided, the clamping plates 91 on the upper and lower sides slide simultaneously, the reversing shaft 60 at the lower end of the fixed base 5 can be limited and fixed when moving to any position in the moving channel 4, and the positioning and locking of the fixed base 5 are fully ensured.

Referring to fig. 3, 4 and 6, a symmetrically arranged spring slot is provided at the top of the fixed base 5, a supporting plate 50 is slidably connected in the spring slot, the supporting plate 50 is connected with the spring slot by a return spring 51, a receiving seat 52 for receiving the workpiece 13 is mounted at the top of the supporting plate 50, triangular blocks 53 can be mounted on opposite sides of the two supporting plates 50, inclined surfaces of the two triangular blocks 53 form a splayed area with large caliber ends facing the L-shaped bracket 80, a connecting bar symmetrically arranged is mounted on a vertical section of the L-shaped bracket 80, and a push rod 54 is mounted on one side of the connecting bar close to the triangular blocks 53.

The bearing seats 52 on two sides play a role in bearing the workpiece 13 when the workpiece 13 is placed, so that the inner supporting mechanism 7 can support and fix the workpiece 13, after the workpiece 13 is supported and fixed in the inner supporting mechanism, the workpiece 13 is lifted up through the plurality of inner supporting plates 74 to move upwards and separate from the bearing seats 52, and when the L-shaped support 80 moves towards the workpiece 13, the two push rods 54 move along the inclined planes of the triangular blocks 53, so that the triangular blocks 53, the supporting plates 50 and the bearing seats 52 are pushed to move, the bearing seats 52 are far away from the workpiece 13, and the bearing seats 52 are prevented from influencing the rotation after the workpiece 13.

Referring to fig. 1, rectangular boxes 101 are installed on opposite surfaces of two fixing frames 11 on one side of the fixing table 10, which are arranged along the width direction, transparent door plates 102 which are symmetrically arranged are slidably connected between the two rectangular boxes 101, and sealing plates 103 are installed between opposite surfaces of two adjacent fixing frames 11 except for opposite surfaces of the two fixing frames 11 on which the rectangular boxes 101 are installed, so that the digital control center box body 1 forms a closed processing box body.

During operation, the workpiece 13 is inserted into the connecting cylinder 75 until the end part of the workpiece 13 abuts against the rotating disc 71, then the supporting driving group 73 drives the inner supporting plates 74 to move towards the inner wall of the workpiece 13 until the inner supporting plates 74 abut against the inner wall of the workpiece 13, the side edges of the inner supporting plates 74 are aligned with the side edges of the outer wall of the workpiece 13, the inner supporting plates 74 are prevented from influencing the drilling of the workpiece 13, the workpiece 13 can be fixed, then the workpiece 13 is clamped and fixed at the outer part at one end, far away from the rotating disc 71, of the workpiece 13 through the clamping and locking mechanism 8, the clamping stability of the workpiece 13 is improved through double clamping inside and outside, both ends of the workpiece 13 are supported and fixed, and the drilling precision of the workpiece 13 is improved.

Then the workpiece 13 on the fixed base 5 is driven to move along the moving channel 4 through the sliding driving mechanism 6 to realize multidirectional movement, so that the workpiece 13 is moved to a corresponding processing station, when a driving source in the sliding driving mechanism 6 stops working, the pressing locking group 64 starts working to push the fixed point inserting rod 65 to move downwards, the rubber abutting head 66 abuts against the top of the fixed table 10, the travelling wheel 63 achieves the effect of stopping immediately through friction between the rubber abutting head 66 and the contact surface of the fixed table 10, the travelling wheel 63 is prevented from continuously driving the fixed base 5 to move under the action of inertia to influence the moving precision of the fixed base 5, then the equipment box 61 is fixed through the positioning locking mechanism 9, locking and fixing of the position of the fixed base 5 are realized, the double fixing effect of the fixed base 5 is avoided by pressing the locking group 64 and the rubber abutting head 66 and the positioning locking mechanism 9, the accuracy of the drilling processing of the workpiece 13 is improved, meanwhile, the supporting plate 3 and the fixed base 5 are carried out, the supporting force of the fixed base 5 is improved, and the fixed base 13 is supported stably.

Finally, when the workpiece 13 is drilled, the workpiece 13 is driven to rotate through the rotary driving group 72, so that the machined end faces of the workpiece 13 are adjusted, and the convenience of converting and machining of a plurality of end faces of the workpiece 13 is improved.

The flexible movement of the workpiece 13 is realized through the cooperation of the sliding driving mechanism 6 and the positioning and locking mechanism 9, so that the complex drilling processing on the workpiece 13 is facilitated, and meanwhile, the stability of the workpiece 13 during movement is improved.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present application are all preferred embodiments of the present application, and are not limited in scope by the present application, so that all equivalent changes according to the structure, shape and principle of the present application are covered in the scope of the present application.

Claims (6)

1. Horizontal numerical control center drilling equipment, characterized by, include: the numerical control center box comprises a numerical control center box body (1), wherein the numerical control center box body (1) consists of a fixed table (10), four fixing frames (11) which are arranged in a rectangular shape and are arranged on the fixed table (10), and a top plate (12) which is arranged at the top of the four fixing frames (11), and a numerical control drilling machine is arranged on the top plate (12);

the top of the fixed table (10) is provided with a supporting seat (2) which is arranged in a rectangular shape, the top of the supporting seat (2) is provided with a bearing plate (3), and a moving channel (4) is formed by a gap between two adjacent bearing plates (3);

the device is characterized in that a fixed base (5) is connected to the bearing plate (3) in a sliding manner, a sliding driving mechanism (6) is arranged at the bottom of the fixed base (5), the sliding driving mechanism (6) is used for moving at the moving channel (4) and driving the fixed base (5) to slide on the bearing plate (3), an inner supporting mechanism (7) for internally supporting and fixing a workpiece (13) and driving the workpiece (13) to rotate so as to switch the end face of a drilling hole is arranged on the fixed base (5), and a clamping and locking mechanism (8) for externally clamping and locking the workpiece (13) is also arranged on the fixed base (5);

a positioning locking mechanism (9) for locking and fixing the sliding driving mechanism (6) is arranged on the supporting seat (2);

the inner supporting mechanism (7) comprises a mounting groove formed in the fixed base (5), a mounting cover (70) is mounted on the mounting groove, a concentric rotating disc (71) is rotatably connected to the mounting cover (70), a rotating driving group (72) for driving the rotating disc (71) to rotate is mounted in the mounting cover (70), a concentric connecting cylinder (75) is fixedly mounted on the rotating disc (71), a plurality of inner supporting plates (74) are mounted on the outer ring surface of the connecting cylinder (75) through the supporting driving group (73), and the inner supporting plates (74) are uniformly distributed along the circumferential direction of the connecting cylinder (75);

the sliding driving mechanism (6) comprises a reversing shaft (60) which is rotationally connected to the bottom of the fixed base (5), an equipment box (61) is fixedly arranged at the bottom of the reversing shaft (60), a transmission shaft (62) is arranged on the equipment box (61), a driving source which drives the transmission shaft (62) to rotate is arranged in the equipment box (61), travelling wheels (63) which are positioned on two sides of the equipment box (61) are arranged at two ends of the transmission shaft (62), the travelling wheels (63) are in contact with the upper end face of the fixed table (10), fixed-point inserting rods (65) which are arranged in a rectangular shape and penetrate through the bottom of the equipment box (61) in a sliding mode are arranged at the bottom of the equipment box (61) through pressing locking groups (64), rubber abutting heads (66) are arranged at the lower ends of the fixed-point inserting rods (65), and when the transmission shaft (62) is not driven by the driving source to rotate, the fixed-point inserting rods (65) are pushed to move downwards by pressing locking groups (64) until the rubber abutting heads (66) to be tightly abutted against the fixed table (10).

2. The horizontal numerically controlled center drilling apparatus of claim 1, wherein: the clamping and locking mechanism (8) comprises an L-shaped bracket (80) of which the horizontal section is connected with the side wall of the fixed base (5) in a sliding manner, a fixed disc (81) is arranged on the vertical section of the L-shaped bracket (80), the fixed disc (81) is opposite to the rotating disc (71) and is coaxially arranged, the end face of the fixed disc (81) close to the connecting cylinder (75) is rotationally connected with a pressing rotating disc (82), a clamping group is arranged between the pressing rotating disc (82) and the fixed disc (81) and used for limiting the rotation of the pressing rotating disc (82), four lug plates (83) which are uniformly distributed along the circumferential direction of the pressing rotating disc (82) are arranged on the outer ring surface of the pressing rotating disc (82), pull and shift grooves are formed on the lug plates (83), a conical groove (84) concentric with the pressing turntable (82) is formed in the pressing turntable (82), the conical groove (84) extends to the fixed disc (81), the small caliber of the conical groove (84) faces towards the connecting cylinder (75), the conical cylinder (85) is connected in a sliding manner in the conical groove (84), the small caliber end of the conical cylinder (85) faces towards the connecting cylinder (75) and is provided with a pressing head (86), the pressing head (86) is provided with antifriction balls, the large caliber end of the conical cylinder (85) is provided with a pushing spring telescopic rod (87), the other end of the pushing spring telescopic rod (87) is pressed against the inner wall of the conical groove (84) on the fixed disc (81) through self elasticity, install L type pull rod (88) in the groove of moving, spacing groove (89) of evenly arranging along its circumference are offered to the lateral wall of toper section of thick bamboo (85), one of them one end of L type pull rod (88) runs through otic placode (83) in proper order, it is connected with spacing wheel (801) to support the rotation behind pressure carousel (82) and spacing groove (89), the axial length of spacing wheel (801) is greater than the width of spacing groove (89), cardboard (802) that are located otic placode (83) and are L type structure are installed to the other end of L type pull rod (88), be connected through jacking spring (803) between L type pull rod (88) and the groove of moving, the inner wall at toper section of thick bamboo (85) is hugged closely in pulling spacing wheel (801) under the elasticity effect of jacking spring (803).

3. The horizontal numerically controlled center drilling apparatus of claim 1, wherein: the top support driving group (73) comprises a supporting ring (730) which is connected to the inner wall of a connecting cylinder (75) in a sliding manner through connecting strips and is uniformly distributed along the axial direction of the connecting cylinder, an air cylinder (731) is mounted on the rotating disc (71), a moving shaft (732) penetrating into the connecting cylinder (75) is mounted at the telescopic end of the air cylinder (731), the supporting ring (730) is sleeved on the moving shaft (732), conical top posts (733) which are staggered with the supporting ring (730) are fixedly sleeved on the moving shaft (732), sliding rods (734) which are uniformly distributed along the length direction of the inner supporting plates (74) are mounted on the end faces, close to the connecting cylinder (75), of the inner supporting plates (74), sliding balls are mounted after the sliding rods (734) penetrate through the connecting cylinder (75), the sliding balls are in inclined surface contact with the conical top posts (733), and a retraction spring (735) sleeved on the sliding rods (734) is mounted between the inner supporting plates (74) and the connecting cylinder (75).

4. The horizontal numerically controlled center drilling apparatus of claim 1, wherein: the positioning and locking mechanism (9) comprises two fin plates (90) connected to the equipment box (61), the two fin plates (90) are respectively located right above two travelling wheels (63), two clamping plates (91) sliding up and down are sleeved outside the supporting seat (2), the clamping plates (91) are of a return structure, the fin plates (90) are located between the clamping plates (91) on the upper side and the lower side, a cross-shaped groove is formed in the supporting seat (2), the end parts of the cross-shaped groove are all in an opening shape, two cross frames (92) are vertically and symmetrically connected in the cross-shaped groove in a sliding manner, the cross frames (92) vertically slide along the cross-shaped groove, the end parts of the cross frames (92) are connected with the inner walls of the corresponding clamping plates (91) after extending to the outside of the cross-shaped groove, racks (94) are respectively installed at the lower ends of the cross frames (92), the cross frames (94) connected with the cross frames (92) are vertically and slidably penetrated between the clamping plates (91) located on the lower side, two cross frames (94) in the same cross-shaped groove are arranged in a manner, the cross frames (94) are correspondingly arranged in the same direction and are correspondingly arranged in the supporting seat (2) and are fixedly connected with the supporting seat (93) in a plurality of directions, the cross frames (93) are correspondingly arranged in the direction, the supporting seat (2) and are correspondingly arranged in the directions, the supporting seat (93) and are fixedly connected with the supporting seat (2), each driving shaft (95) is rotationally connected between a plurality of containing grooves (93) distributed along the width direction of the fixed table (10), the driving shafts (95) are fixedly connected with rotary gears (96) which are uniformly distributed along the axial direction of the driving shafts and are positioned in the corresponding containing grooves (93), and the rotary gears (96) are meshed with the corresponding two racks (94).

5. A horizontal numerically controlled centre drilling apparatus as in claim 2, wherein: symmetrically arranged spring grooves are formed in the top of the fixed base (5), supporting plates (50) are connected in the spring grooves in a sliding mode, the supporting plates (50) are connected with the spring grooves through reset springs (51), bearing seats (52) for bearing workpieces (13) are arranged at the tops of the supporting plates (50), triangular blocks (53) can be arranged on opposite faces of the two supporting plates (50), the inclined faces of the two triangular blocks (53) form splayed areas with large caliber ends facing the L-shaped support (80), symmetrically arranged connecting strips are arranged on vertical sections of the L-shaped support (80), and pushing rods (54) are arranged on one sides of the connecting strips, close to the triangular blocks (53).

6. The horizontal numerically controlled center drilling apparatus of claim 1, wherein: the rotary driving group (72) comprises a gear ring (721) connected to one side of the rotary disk (71) far away from the connecting cylinder (75) and a rotating shaft (720) rotatably connected to the mounting cover (70), wherein a driving gear is fixedly sleeved on the rotating shaft (720), and the driving gear is in meshed transmission with the gear ring (721).