An automated manufacturing unit for drill bit composite processing

Abstract

The present invention relates to the field of automation technology and discloses an automated manufacturing unit for automatic composite drilling bit processing, comprising a workpiece dividing and positioning device and a truss robot. The truss robot comprises a truss mounted between the workpiece dividing and positioning device and a machine tool, and a three-axis gripper device mounted on the truss. The gripper device comprises two sets of switchable first and second gripper assemblies for clamping workpieces. The workpiece dividing and positioning device comprises a first hopper for storing workpieces, a dividing mechanism connected to the first hopper, and a workpiece orientation adjustment mechanism located at the discharge end of the dividing mechanism. The present invention has the beneficial effects of improving workpiece processing efficiency and reducing labor costs.

Description

Technical Field

[0001] The present invention relates to the field of automation technology, and in particular to an automated manufacturing unit for automatic composite processing of drill bits. Background Art

[0002] like Figure 19 The drill bit 8 shown in the figure (drill bit blank to be processed) has a rectangular cross-section on the head, which is a special-shaped drill bit. Subsequently, the four sides of the drill bit end need to be milled by a CNC machine tool (such as a machining center) to improve the accuracy, and a cross groove needs to be opened on the end face. The drill bit after processing is as follows Figure 20 Currently, this type of drill is processed manually on machine tools, requiring manual loading and unloading. Furthermore, due to the directional nature of special-shaped drills, manual tool setting is required after loading, requiring a dedicated operator for each machine tool. Manual loading and unloading is inefficient, leading to long machine tool wait times. Furthermore, prolonged manual work can lead to fatigue, further reducing efficiency. Fatigue can also lead to a loss of concentration, resulting in the scrapping of workpieces. Summary of the Invention

[0003] In order to solve the above problems existing in the prior art, the present invention provides an automated manufacturing unit for automatic composite processing of drill bits, which can greatly improve the processing efficiency of workpieces, improve processing quality, and significantly reduce labor costs.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An automated manufacturing unit for automatic composite processing of drill bits, comprising a workpiece dividing and positioning device, a truss robot, and a machine tool; the truss robot comprises a truss erected between the workpiece dividing and positioning device and the machine tool, and a three-axis motion gripper device mounted on the truss; the gripper device comprises two sets of switchable first and second gripper assemblies for clamping the workpiece;

[0006] The workpiece dividing and positioning device includes a first hopper for storing workpieces, a dividing mechanism connected to the first hopper, and a workpiece orientation adjustment mechanism provided at the discharge end of the dividing mechanism; when a single workpiece is separated by the dividing mechanism, it is adjusted to a preset position through the workpiece orientation adjustment mechanism, the first gripper assembly grabs the workpiece and sends it to the machine tool fixture, the second gripper assembly removes the processed workpiece from the machine tool fixture, and then the first gripper assembly loads the workpiece to be processed into the machine tool fixture for processing.

[0007] By adopting the above technical solution: the workpieces are separated individually through the workpiece dividing and positioning device, and then the drill bit to be processed is grabbed by the first gripper assembly, the gripper device moves along the truss to the machine tool fixture, and the processed workpiece on the machine tool fixture is grabbed by the second gripper assembly. Then the positions of the first gripper and the second gripper are exchanged, and the first gripper loads the workpiece to be processed onto the machine tool fixture for processing; automatic loading and unloading of workpieces is achieved through this system, which greatly improves the processing efficiency of the workpiece, reduces labor requirements, and reduces labor costs.

[0008] Preferably, the material distribution mechanism includes a fixed support frame, a movable material distribution frame, and a first lifting power that drives the material distribution frame to move back and forth; the support frame includes a plurality of support members distributed at intervals, the support members are provided with a plurality of first support surfaces distributed upward in a stepped manner, and the upper ends of the support members are provided with a discharge guide surface; the material distribution frame includes a plurality of material distribution members distributed at intervals, the bottoms of the material distribution members are connected to the first lifting power, the material distribution members are provided with a plurality of second support surfaces distributed upward in a stepped manner; the material distribution members are arranged between the support members, and the first support surfaces and the second support surfaces are staggered in the horizontal direction; the bottom surface of the first silo is configured as an inclined surface, and the lowermost first support surface on the support member is docked with the lower end of the bottom surface of the first silo; when the material distribution frame is lifted and lowered once, a workpiece on each first support surface is simultaneously lifted to the upper first support surface, and the workpiece on the uppermost first support surface enters the discharge guide surface. This type of material distribution mechanism has a simple structure, is easy to control, and has good stability, and can achieve stable material distribution with only one lifting power.

[0009] Preferably, a vertically distributed first stop surface is provided between adjacent first supporting surfaces, and a vertically distributed second stop surface is provided between adjacent second supporting surfaces; the first stop surface and the second stop surface are staggered in the vertical direction, so that only one workpiece can be accommodated between the second supporting surface and the corresponding first stop surface; the first supporting surface and the second supporting surface are configured as inclined surfaces, so that the workpiece always remains in contact with the first stop surface or the second stop surface due to its own gravity.

[0010] Preferably, the workpiece orientation adjustment mechanism includes a pre-positioning mechanism, an axial positioning mechanism, and a circumferential adjustment mechanism; the pre-positioning mechanism includes a lifting seat and a second lifting power arranged at the bottom of the lifting seat; one end of the lifting seat is provided with a first support seat, and the other end of the lifting seat is provided with a second support seat, the top surface of the first support seat is provided with a first limiting groove, and the top surface of the second support seat is provided with a second limiting groove; when the workpiece is separated individually by the material dividing mechanism and enters the pre-positioning mechanism, the two ends of the workpiece are pre-positioned by the first limiting groove and the second limiting groove respectively. The workpiece separated from the material dividing mechanism is first pre-positioned, then axially positioned, and finally the circumferential position is adjusted to a suitable position. The circumferential position of the workpiece grasped by the first gripper assembly is the same each time, which eliminates the tool setting operation in subsequent machine tool processing and further improves processing efficiency.

[0011] Preferably, the axial positioning mechanism includes a third gripper assembly and a first translational force that drives the third gripper assembly to approach or move away from a pre-positioned workpiece; the third gripper assembly includes two sets of clamping arms and a clamping force that drives the two sets of clamping arms to approach or move away synchronously; the facing sides of the two sets of clamping arms are provided with V-shaped positioning grooves for centering; after the workpiece is pre-positioned, the second lifting power drives the lifting seat to rise to a preset position, the first translational force drives the third gripper assembly to move to the pre-positioned workpiece, the clamping force drives the two sets of clamping arms to clamp the workpiece, and the workpiece is positioned axially.

[0012] Preferably, the circumferential adjustment mechanism includes a pressure plate provided on a first support seat, a second translational force for driving the pressure plate to move axially along the workpiece, a first motor provided on the outside of the second support seat, and a third translational force for driving the first motor to move axially along the workpiece; a positioning sleeve is provided at the shaft end of the first motor, the axis of the positioning sleeve is coaxially distributed with the axially positioned workpiece, and the end of the positioning sleeve is provided with a positioning hole adapted to the cross-sectional shape of the end of the workpiece; when the workpiece is axially positioned, the second translational force drives the pressure plate to abut against one end of the workpiece, the third translational force drives the positioning sleeve to abut against the other end of the workpiece, the first motor drives the positioning sleeve to rotate forwardly at least one circle, so that one end of the workpiece enters the positioning hole, at which time the third gripper assembly releases the workpiece, the first motor drives the positioning sleeve to rotate in the opposite direction to a preset position and then stops, and the circumference of the workpiece is adjusted to the preset position. This type of circumferential adjustment mechanism has a simple structure, fewer actions, fewer controls, and better stability.

[0013] Preferably, the upper end of the first hopper is provided with a plurality of guide rods arranged parallel to the workpiece axis, with an adjustment plate disposed between the guide rods. The adjustment plate is slidably connected to the guide rods via a sliding sleeve, and the sliding sleeve is provided with a locking member. The adjustment plate can be used to adjust the width of the first hopper to accommodate workpieces of different lengths, thereby providing high versatility.

[0014] Preferably, the second support base is fixed to the lifting base, and the first support base is slidably connected to the lifting base. A first translation mechanism is provided between the lifting base and the first support base for adjusting the distance between the first and second support bases. A second translation mechanism is provided at the bottom of the first translation force for adjusting the position of the third gripper assembly for grasping the workpiece. The distance between the first and second support bases is adjustable to accommodate pre-positioning of workpieces of varying lengths.

[0015] Preferably, a second hopper is provided at the upper end of the first hopper, and a slide bar parallel to the workpiece is provided at the lower side of the feed end of the second hopper. The slide bar is provided with a slider, which is locked and limited with the slide bar by a fastener. The slider is provided with a sensor for detecting the position status of the two ends of the workpiece. When a workpiece separated from the material separation mechanism is adjusted in position by the workpiece orientation adjustment mechanism, the first gripper assembly grasps the workpiece and moves one end of the workpiece to the sensor. If the sensor detects that the position of the two ends of the workstation is correct, the workpiece is moved to the machine tool. If the sensor detects that the position of the two ends of the workpiece is incorrect, the workpiece is placed in the second hopper. Some workpieces have different outer diameters at both ends. The use of sensors can detect whether the position of the two ends of the workpiece is incorrect, further improving overall stability.

[0016] Preferably, the system further includes a third hopper, with the second and third hoppers located on either side of the workpiece orientation adjustment mechanism. When the processed workpiece is moved to the workpiece orientation adjustment mechanism by the second gripper assembly, the second gripper assembly first places the workpiece into the third hopper, after which the first gripper assembly grabs the workpiece to be processed. When the gripper assembly moves to the workpiece orientation adjustment mechanism, the second gripper assembly releases the processed workpiece into the third hopper, after which the first gripper assembly grabs the workpiece to be processed. This rational overall layout makes releasing and clamping workpieces more convenient and quicker.

[0017] Preferably, the first and second gripper assemblies are mounted on a rotating base connected to a rotary power source configured to drive the first and second gripper assemblies to reciprocate between a first state and a second state. In the first state, the first gripper assembly is in a vertically downward position; in the second state, the second gripper assembly rotates to coincide with the position of the first gripper assembly in the first state. By using the rotary power and the rotational force to drive the position switching of the first and second gripper assemblies, repeated adjustments of the workpiece by the truss robot are reduced.

[0018] Preferably, the first gripper assembly includes two sets of clamping arm assemblies arranged in opposite directions, and a clamping arm power source for driving the clamping arm assemblies to move synchronously toward or away from each other. The clamping arm assembly includes a connecting arm and clamping seats provided at both ends of the connecting arm. The inner side of the clamping seat is provided with a clamping groove, and the ends of the connecting arm are provided with elongated slots. The ends of the clamping seat are fastened to the elongated slots by bolts. The elongated slots enable the distance between the clamping seats to be adjusted to accommodate workpieces of different lengths, thereby improving versatility.

[0019] Therefore, the present invention has the following beneficial effects: (1) a single workpiece is stably separated by the workpiece dividing and positioning device, and the separated workpiece is automatically transported to the machine tool fixture by the truss robot, and the workpiece is automatically loaded and unloaded, thereby improving the workpiece processing efficiency and reducing labor costs; (2) the workpiece dividing and positioning device can realize pre-positioning, axial positioning, and circumferential position adjustment of the workpiece. The truss robot grasps the workpiece at the same position and angle each time, eliminating the subsequent tool setting operation of the machine tool and further improving the processing efficiency; (3) the dividing mechanism has a simple and stable structure, and a single continuous and stable separation of the workpiece can be achieved through a simple lifting action, and the workpiece separation stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 Schematic diagram of the structure of the truss robot.

[0022] Figure 3 This is a structural diagram of the workpiece dividing and positioning device.

[0023] Figure 4 for Figure 3 Schematic diagram of the local structure.

[0024] Figure 5 for Figure 4 Schematic diagram of the internal structure.

[0025] Figure 6 Schematic diagram of the material distribution structure.

[0026] Figure 7 for Figure 6 Exploded diagram.

[0027] Figure 8 This is a schematic diagram of the workpiece being limited by the first supporting surface and the first blocking surface.

[0028] Figure 9 This is a schematic diagram of the workpiece being limited by the second supporting surface and the first blocking surface after the material distribution rack rises.

[0029] Figure 10 This is a schematic diagram of the workpiece being limited by the second supporting surface and the second stop surface when the material distribution rack rises to the highest position.

[0030] Figure 11 This is a schematic diagram of the workpiece being limited by the first supporting surface and the second blocking surface during the descending process of the material distribution rack.

[0031] Figure 12 This is a schematic diagram of the workpiece being limited by the first supporting surface and the first blocking surface when the material distribution rack descends to the lowest position.

[0032] Figure 13 This is a schematic diagram of the workpiece at the top of the material distribution mechanism entering the pre-positioning mechanism along the discharge guide surface.

[0033] Figure 14 This is a schematic diagram of the workpiece being clamped and positioned by the axial positioning mechanism after the lifting seat rises.

[0034] Figure 15 This is a schematic diagram of the initial state where the two ends of the workpiece are respectively abutted by the pressing plate and the positioning sleeve.

[0035] Figure 16 This is a schematic diagram of the state after the end of the workpiece enters the positioning hole and the third gripper assembly releases the workpiece.

[0036] Figure 17 After the workpiece is adjusted circumferentially, the third gripper assembly clamps the workpiece again, and the positioning sleeve is separated from the workpiece.

[0037] Figure 18 Schematic diagram of the structure of the gripper device.

[0038] Figure 19 Schematic diagram of the structure of the workpiece (drill bit) to be processed.

[0039] Figure 20 Schematic diagram of the structure of the workpiece (drill bit) after processing. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the scope of protection of the present invention.

[0041] It should be understood that, in this document, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as implicitly specifying the quantity of the technical features being referenced. A feature specified as "first" or "second" may explicitly or implicitly indicate that at least one of the features is included.

[0042] like Figure 1-Figure 5The automated manufacturing unit for automatic composite processing of drill bits shown in the figure includes a workpiece material dividing and positioning device 1, a truss robot 2, and a machine tool 8; the truss robot 2 includes a truss 20 erected between the workpiece material dividing and positioning device 1 and the machine tool 8, and a three-axis motion gripper device 21 provided on the truss 20, the gripper device 21 includes two sets of switchable positions for clamping the workpiece 9, a first gripper assembly 210 and a second gripper assembly 211; the workpiece material dividing and positioning device 1 includes a first gripper assembly 210 for storing the workpiece 9 and a second gripper assembly 211 for storing the workpiece 9. A material bin 10, a material dividing mechanism 11 connected to the first material bin 10, and a workpiece orientation adjustment mechanism 12 provided at the discharge end of the material dividing mechanism 11; when a single workpiece is separated by the material dividing mechanism 11, it is adjusted to a preset position by the workpiece orientation adjustment mechanism 12, the first gripper assembly 210 grabs the workpiece and sends it to the machine tool fixture 80, the second gripper assembly 211 removes the processed workpiece from the machine tool fixture 80, and then the first gripper assembly 210 loads the workpiece 9 to be processed into the machine tool fixture 80 for processing.

[0043] The material distribution mechanism 11 includes a fixed support frame 110, a movable material distribution frame 111, and a first lifting power 112 that drives the material distribution frame 111 to move back and forth; the support frame 110 includes a plurality of support members 1100 distributed at intervals, and the support member 1100 is provided with a plurality of first supporting surfaces 1101 distributed upward in a stepped manner, and the upper end of the support member 1100 is provided with a discharge guide surface 1103; the material distribution frame 111 includes a plurality of material distribution members 1110 distributed at intervals, the bottom of the material distribution member 1110 is connected to the first lifting power 112, and the material distribution member 1110 is provided with a plurality of first supporting surfaces 1101 distributed upward in a stepped manner. The second supporting surface 1111 is distributed; the dividing member 1110 is arranged between the supporting members 1100, and the first supporting surface 1101 and the second supporting surface 1111 are staggered in the horizontal direction; the bottom surface of the first silo 10 is configured as an inclined surface, and the first supporting surface 1101 at the lowest end on the supporting member 1100 is connected to the lower end of the bottom surface of the first silo 10; when the dividing rack 111 is raised and lowered once, a workpiece on each first supporting surface 1101 is lifted to the upper first supporting surface 1101 at the same time, and the workpiece on the uppermost first supporting surface 1101 enters the discharge guide surface 1103.

[0044] A vertically distributed first stop surface 1102 is provided between adjacent first supporting surfaces 1101, and a vertically distributed second stop surface 1112 is provided between adjacent second supporting surfaces 1111; the first stop surface 1102 and the second stop surface 1112 are staggered in the vertical direction, so that only one workpiece can be accommodated between the second supporting surface 1111 and the corresponding first stop surface 1102; the first supporting surface 1101 and the second supporting surface 1111 are configured as inclined surfaces, so that the workpiece 9 always remains in contact with the first stop surface 1102 or the second stop surface 1112 due to its own gravity.

[0045] like Figure 9As shown, the distance between the second stop surface and the corresponding first stop surface can only accommodate one workpiece, and the distance can be configured to be larger than the radius of the workpiece and smaller than 1.5 times the radius of the workpiece, so that the second support surface between the first stop surface and the second stop plate can only stably accommodate one workpiece, thereby realizing separate separation of the workpieces. Figures 8-12 The figure shows the process of lifting the workpiece from the next first support surface to the previous support surface. Figure 8 After the three workpieces A, B and C move up and down once with the material distribution rack, they are lifted to Figure 12 In the state shown, workpieces B and C are both lifted to the upper first support surface, and workpiece A on the uppermost first support surface is lifted to the discharge guide surface (inclined surface) and rolls along the discharge guide surface into the pre-positioning mechanism.

[0046] like Figure 13-Figure 17 As shown, the workpiece orientation adjustment mechanism 12 includes a pre-positioning mechanism 120, an axial positioning mechanism 121, and a circumferential adjustment mechanism 122; the pre-positioning mechanism 120 includes a lifting seat 1200, a second lifting power 1201 provided at the bottom of the lifting seat 1200, one end of the lifting seat 1200 is provided with a first support seat 1202, and the other end of the lifting seat 1200 is provided with a second support seat 1203, the top surface of the first support seat 1202 is provided with a first limiting groove 1204, and the top surface of the second support seat 1203 is provided with a second limiting groove 1205; when the workpiece 9 is separated individually by the dividing mechanism 11 and enters the pre-positioning mechanism 120, the two ends of the workpiece 9 are pre-positioned by the first limiting groove 1204 and the second limiting groove 1205 respectively (as shown in FIG. Figure 13 shown).

[0047] The axial positioning mechanism 121 includes a third gripper assembly 1210, a first translational force 1211 that drives the third gripper assembly 1210 to approach or move away from a pre-positioned workpiece, the third gripper assembly 1210 includes two sets of clamping arms 1212, and a clamping force 1213 that drives the two sets of clamping arms 1212 to approach or move away synchronously, and the facing sides of the two sets of clamping arms 1212 are provided with a V-shaped positioning groove 1214 for centering; after the workpiece is pre-positioned, the second lifting power 1201 drives the lifting seat 1200 to rise to a preset position, the first translational force 1211 drives the third gripper assembly 1210 to move to the pre-positioned workpiece, and the clamping power 1213 drives the two sets of clamping arms 1212 to clamp the workpiece, and the workpiece is positioned axially (such as Figure 14 shown).

[0048] The circumferential adjustment mechanism 122 includes a pressure plate 1220 arranged on the first support seat 1202, a second translational force 1221 that drives the pressure plate 1220 to move axially along the workpiece, a first motor 1222 arranged on the outside of the second support seat 1203, and a third translational force 1223 that drives the first motor 1222 to move axially along the workpiece; a positioning sleeve 1224 is provided at the shaft end of the first motor 1222, the axis of the positioning sleeve 1224 is coaxially distributed with the axially positioned workpiece, and the end of the positioning sleeve 1224 is provided with a positioning hole 1225 that is adapted to the cross-sectional shape of the end of the workpiece; when the workpiece is axially positioned, the second translational force 1221 drives the pressure plate 1220 to abut against one end of the workpiece, and the third translational force 1223 drives the positioning sleeve 1224 to abut against the other end of the workpiece, and the two ends of the workpiece are abutted by the pressure plate and the positioning sleeve as shown in FIG. Figure 15 After that, the first motor 1222 drives the positioning sleeve 1224 to rotate forward for at least one circle, so that one end of the workpiece enters the positioning hole 1225, as shown. Figure 16 As shown;

[0049] When the workpiece enters the positioning hole 1225, the third gripper assembly 1210 releases the workpiece, and the first motor 1222 drives the positioning sleeve 1224 to rotate in the opposite direction to the preset position and then stops. The circumference of the workpiece is adjusted to the preset position, and then the third gripper assembly clamps the workpiece again, and the pressure plate and the positioning sleeve are reset to the position as shown in FIG. Figure 17 In the initial state shown, the axial and circumferential positions of the workpiece are adjusted, waiting for the truss robot to pick up the material, and the position and angle of the first gripper assembly on the truss robot are consistent each time it grabs the workpiece, thus eliminating the subsequent tool setting operation after it is sent to the machine tool.

[0050] In the above embodiment, the first lifting power 112, the second lifting power 1201, the first translational power 1211, the second translational power 1221, and the third translational power 1223 all adopt cylinders, and the clamping power 1213 adopts a double-headed cylinder.

[0051] In some embodiments, in order to adapt to the use of workpieces of different lengths and to improve versatility, the following scheme is adopted: the upper end of the first hopper 10 is provided with a plurality of guide rods 100 distributed parallel to the axis of the workpiece, and an adjustment plate 101 is provided between the guide rods 100. The adjustment plate 101 is slidably connected to the guide rod 100 through a sleeve 1010, and a locking member is provided on the sleeve; the second support seat 1203 is fixed on the lifting seat 1200, the first support seat 1202 is slidably connected to the lifting seat 1200, and a first translation mechanism 1206 for adjusting the distance between the first support seat 1202 and the second support seat 1203 is provided between the lifting seat 1200 and the first support seat 1202; the bottom of the first translation force 1211 is provided with a second translation mechanism 1215 for adjusting the position of the third gripper assembly 1210 to grasp the workpiece. Figure 13As shown, in this embodiment, the first translation mechanism 1206 adopts a gear and rack translation mechanism, that is, a rack is installed on the lifting seat, a motor is installed in the first support seat, and a gear meshing with the rack is set on the output shaft, so as to realize the movement of the first support seat, so that the first support seat is close to or away from the second support seat; the second translation mechanism 1215 adopts a screw rod and wire seat structure, that is, a wire seat is installed at the bottom of the first translation force, the wire seat is connected to the screw rod, and a hand wheel is set at one end of the screw rod, and the position of the first translation force is adjusted by rotating the hand wheel.

[0052] like Figure 3 As shown, a second hopper 102 is provided at the upper end of the first hopper 10, and a slide bar 103 parallel to the workpiece is provided at the lower side of the feeding end of the second hopper 102, and a slider 104 is provided on the slider 103. The slider 104 is locked and limited with the slider 103 by fasteners, and a sensor 105 for detecting the position status of the two ends of the workpiece is provided on the slider 104; when a workpiece separated from the material dividing mechanism 11 is adjusted in position by the workpiece orientation adjustment mechanism 12, the first gripper assembly 210 grabs the workpiece and moves one end of the workpiece to the sensor 105. If the sensor 105 detects that the positions of the two ends of the workstation are correct, the workpiece is moved to the machine tool; if the sensor 105 detects that the positions of the two ends of the workpiece are wrong, the workpiece is placed in the second hopper 102. The sensor adopts a laser reflection sensor, such as Figure 19 and Figure 20 In the illustrated drill workpiece, the outer diameters of the drill ends differ. When the thick end moves to the sensor's preset position, the sensor detects the drill. However, when the thin end moves to the sensor's preset position, the sensor fails to detect it. The sensor signals are then used to determine whether the positions of the drill ends are incorrect. In this structure, the circumferential adjustment mechanism 122 is streamlined, without complex visual recognition or sensor detection. Even after the thin end of the drill enters the positioning hole, it can still operate normally. Therefore, a sensor is provided to further detect whether the positions of the workpiece ends are incorrect. This simple sensor minimizes the structural simplicity of the circumferential adjustment mechanism, reducing equipment complexity and costs while ensuring stability.

[0053] It also includes a third material bin 106, and the second material bin 102 and the third material bin 106 are distributed on both sides of the workpiece orientation adjustment mechanism 12; when the processed workpiece is moved to the workpiece orientation adjustment mechanism 12 by the second gripper assembly 211, the second gripper assembly 211 first places the workpiece into the third material bin 106, and then the first gripper assembly 210 grabs the workpiece to be processed.

[0054] like Figure 2 and Figure 18As shown, the first gripper assembly 210 and the second gripper assembly 211 are arranged on a rotating base 212, and the rotating base 212 is connected to a rotating power 213. The rotating power 213 is configured to drive the first gripper assembly 210 and the second gripper assembly 211 to reciprocate between the first state and the second state; in the first state, the first gripper assembly 210 is in a vertical downward state; in the second state, the second gripper assembly 211 rotates to coincide with the position of the first gripper assembly 210 in the first state. The first gripper assembly 210 comprises two sets of opposing clamping arm assemblies 2100 and a clamping arm power source 2101 that drives the clamping arm assemblies 2100 toward or away from each other. The clamping arm assembly 2100 comprises a connecting arm 2102 and clamping seats 2103 disposed at both ends of the connecting arm 2102. The inner side surfaces of the clamping seats are provided with clamping grooves 2104. The ends of the connecting arm 2102 are provided with elongated slots 2105. The ends of the clamping seats 2103 are fastened to the elongated slots by bolts 2106. The rotary power source in this embodiment utilizes a rotary cylinder.

[0055] In conjunction with the accompanying drawings, the method of using the present invention is as follows: Figure 3-Figure 5 As shown, the workpiece 9 is stored in the first silo, and the material distribution rack in the material distribution mechanism is installed Figures 8-12 Each time the workpiece on the first support surface is lifted to a step, that is, lifted to the previous first support surface, the workpiece on the uppermost first support surface enters the discharge guide surface as shown in FIG. Figure 12 and Figure 13 The pre-positioning mechanism 120 shown is pre-positioned, and the lifting seat rises to Figure 14 In the state shown, the third gripper assembly grasps the workpiece to achieve axial positioning of the workpiece; then the pressure plate and the positioning sleeve approach each other and abut at both ends of the workpiece (as shown in FIG. Figure 15 As shown in FIG), the first motor drives the positioning sleeve to rotate forward for one circle. During this process, one end of the rectangular drill bit will inevitably enter the positioning hole of the rectangular structure (as shown in FIG). Figure 16 As shown), the third gripper assembly releases the workpiece, the first motor drives the positioning sleeve to rotate in the opposite direction to the preset position (the first motor can be a servo motor, which can accurately control the rotation angle and position of the positioning sleeve through the servo motor), and the third gripper assembly clamps the workpiece again, and the pressure plate and positioning sleeve are reset to Figure 17 The initial position shown, at which point the workpiece is fully positioned; Figure 18 The first gripper assembly shown in FIG. Figure 17 The workpiece is moved to the machine tool fixture by the truss robot. During the movement, the rotary power drives the second gripper assembly to rotate to a vertical downward position to prepare for grabbing the processed workpiece on the machine tool fixture. When the second gripper assembly moves to the machine tool fixture and adjusts to a suitable position to grab the processed workpiece, the rotary power drives the rotating seat to rotate, so that the first gripper assembly rotates to Figure 17The machine tool then processes the workpiece. The gantry robot then moves the processed workpiece to the third hopper and places it in the third hopper. Simultaneously, the first gripper assembly grabs the next workpiece to be processed. This process continues in this manner, enabling automatic and continuous loading and unloading of workpieces. In some embodiments, a through-beam sensor is positioned between the two ends of the lowermost first support surface. When no workpiece is present on the lower first support surface, the through-beam sensor generates a detection signal and issues an alarm, alerting the operator to load material into the first hopper.

[0056] When using this type of automated unit to process drill bits, it is possible to achieve 24-hour automated production in the dark (i.e., no light is required, saving electricity). Drill bit processing is completed fully automatically, and the operator only needs to put materials into the first hopper at regular intervals. The number of operators has increased from one person managing one set of machine tools to one person managing more than ten machine tools. The processing efficiency of a single machine tool has increased from eight drill bits per hour to 20 drill bits per hour, significantly improving processing efficiency.

[0057] In the description of the present invention, it should be understood that the directions or positional relationships indicated by up, down, left, right, inner end, outer end, one end, the other end, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of more clearly describing the technical solution of the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific orientation, and cannot be understood as a limitation of the present invention.

[0058] Although specific embodiments of the present invention are described in detail herein, they are provided for illustrative purposes only and should not be considered to limit the scope of the present invention. Various substitutions, changes, and modifications may be conceived without departing from the spirit and scope of the present invention.

Claims

1. An automated manufacturing unit for automatic composite processing of drill bits, characterized in that: It includes a workpiece dividing and positioning device (1), a truss robot (2), and a machine tool (8); The truss robot (2) comprises a truss (20) mounted between a workpiece material dividing and positioning device (1) and a machine tool (8), and a three-axis motion gripper device (21) mounted on the truss (20). The gripper device (21) comprises two sets of switchable positions of a first gripper assembly (210) and a second gripper assembly (211) for clamping a workpiece (9). The workpiece dividing and positioning device (1) comprises a first material bin (10) for storing workpieces (9), a dividing mechanism (11) connected to the first material bin (10), and a workpiece orientation adjustment mechanism (12) provided at a discharge end of the dividing mechanism (11); After a single workpiece is separated by the material separation mechanism (11), it is adjusted to a preset position by the workpiece orientation adjustment mechanism (12), the first gripper assembly (210) grabs the workpiece and sends it to the machine tool fixture (80), the second gripper assembly (211) removes the processed workpiece from the machine tool fixture (80), and then the first gripper assembly (210) loads the workpiece (9) to be processed into the machine tool fixture (80) for processing; The workpiece orientation adjustment mechanism (12) comprises a pre-positioning mechanism (120), an axial positioning mechanism (121), and a circumferential adjustment mechanism (122); when the workpiece (9) is separated individually by the material separation mechanism (11) and enters the pre-positioning mechanism (120), both ends of the workpiece (9) are pre-positioned by the first limiting groove (1204) and the second limiting groove (1205), respectively; The axial positioning mechanism (121) includes a third gripper assembly (1210) and a first translational force (1211) for driving the third gripper assembly (1210) to approach or move away from a pre-positioned workpiece. After the workpiece is pre-positioned, the first limiting groove (1204) and the second limiting groove (1205) are driven to rise to a preset position by the second lifting force (1201). The first translational force (1211) drives the third gripper assembly (1210) to move to the pre-positioned workpiece. The clamping force (1213) drives the two sets of clamping arms (1212) to clamp the workpiece, and the workpiece is positioned axially. The circumferential adjustment mechanism (122) includes a pressure plate (1220) provided on a first support seat (1202), a second translational force (1221) for driving the pressure plate (1220) to move axially along the workpiece, a first motor (1222) provided on the outside of the second support seat (1203), and a third translational force (1223) for driving the first motor (1222) to move axially along the workpiece; a positioning sleeve (1224) is provided at the shaft end of the first motor (1222), the axis of the positioning sleeve (1224) is coaxially distributed with the axially positioned workpiece, and the end of the positioning sleeve (1224) is provided with a cross-section that is aligned with the end of the workpiece. a positioning hole (1225) having a matching shape; when the workpiece is axially positioned, the second translational force (1221) drives the pressure plate (1220) to abut against one end of the workpiece, the third translational force (1223) drives the positioning sleeve (1224) to abut against the other end of the workpiece, the first motor (1222) drives the positioning sleeve (1224) to rotate in the forward direction for at least one circle, so that one end of the workpiece enters the positioning hole (1225), at which time the third gripper assembly (1210) releases the workpiece, the first motor (1222) drives the positioning sleeve (1224) to rotate in the reverse direction to a preset position and then stops, and the circumference of the workpiece is adjusted to the preset position.

2. The automated manufacturing unit for automatic composite processing of drill bits according to claim 1, characterized in that: The material distribution mechanism (11) comprises a fixed support frame (110), a movable material distribution frame (111), and a first lifting power (112) for driving the material distribution frame (111) to reciprocate and rise and fall; The support frame (110) comprises a plurality of support members (1100) distributed at intervals, the support members (1100) being provided with a plurality of first support surfaces (1101) distributed upward in a stepped manner, and the upper end of the support member (1100) being provided with a discharge guide surface (1103); The material distribution rack (111) includes a plurality of spaced-apart material distribution pieces (1110), the bottoms of the material distribution pieces (1110) are connected to the first lifting power (112), and the material distribution pieces (1110) are provided with a plurality of second support surfaces (1111) distributed upward in a stepped manner. The material dividing member (1110) is arranged between the supporting members (1100), and the first supporting surface (1101) and the second supporting surface (1111) are staggered in the horizontal direction; the bottom surface of the first silo (10) is configured as an inclined surface, and the first supporting surface (1101) at the lowest end of the supporting member (1100) is butted against the lower end of the bottom surface of the first silo (10); When the material distribution rack (111) is lifted once, a workpiece on each first supporting surface (1101) is simultaneously lifted to the previous first supporting surface (1101), and the workpiece on the uppermost first supporting surface (1101) enters the discharge guide surface (1103).

3. The automated manufacturing unit for automatic composite processing of drill bits according to claim 2, characterized in that: A vertically distributed first stop surface (1102) is provided between adjacent first support surfaces (1101), and a vertically distributed second stop surface (1112) is provided between adjacent second support surfaces (1111); the first stop surface (1102) and the second stop surface (1112) are staggered in the vertical direction, so that only one workpiece can be accommodated between the second support surface (1111) and the corresponding first stop surface (1102); The first supporting surface (1101) and the second supporting surface (1111) are configured as inclined surfaces, so that the workpiece (9) always maintains contact with the first blocking surface (1102) or the second blocking surface (1112) due to its own gravity.

4. The automated manufacturing unit for automatic composite processing of drill bits according to claim 1, characterized in that: The pre-positioning mechanism (120) comprises a lifting seat (1200), a second lifting power (1201) provided at the bottom of the lifting seat (1200), a first support seat (1202) provided at one end of the lifting seat (1200), a second support seat (1203) provided at the other end of the lifting seat (1200), a first limiting groove (1204) provided on the top surface of the first supporting seat (1202), and a second limiting groove (1205) provided on the top surface of the second supporting seat (1203).

5. The automated manufacturing unit for automatic composite processing of drill bits according to claim 4, characterized in that: The third gripper assembly (1210) comprises two groups of clamping arms (1212) and a clamping force (1213) for driving the two groups of clamping arms (1212) to move synchronously closer or farther away. The facing sides of the two groups of clamping arms (1212) are provided with V-shaped positioning grooves (1214) for centering.

6. The automated manufacturing unit for automatic composite processing of drill bits according to claim 5, characterized in that: A plurality of guide rods (100) are provided at the upper end of the first hopper (10) and are distributed parallel to the workpiece axis. Adjustment plates (101) are provided between the guide rods (100). The adjustment plates (101) are slidably connected to the guide rods (100) via sliding sleeves (1010). A locking member is provided on the sliding sleeves.

7. The automated manufacturing unit for automatic composite processing of drill bits according to claim 6, characterized in that: The second support seat (1203) is fixed on the lifting seat (1200), the first support seat (1202) is slidably connected to the lifting seat (1200), and a first translation mechanism (1206) for adjusting the distance between the first support seat (1202) and the second support seat (1203) is provided between the lifting seat (1200) and the first support seat (1202); A second translation mechanism (1215) for adjusting the position of the third gripper assembly (1210) gripping a workpiece is provided at the bottom of the first translation force (1211).

8. The automated manufacturing unit for automatic composite processing of drill bits according to claim 1, characterized in that: A second material bin (102) is provided at the upper end of the first material bin (10), a slide bar (103) parallel to the workpiece is provided at the lower side of the feed end of the second material bin (102), a slider (104) is provided on the slide bar (103), the slider (104) is locked and limited with the slide bar (103) by a fastener, and a sensor (105) for detecting the position status of the two ends of the workpiece is provided on the slider (104); After a workpiece separated from the material separation mechanism (11) is adjusted in position by the workpiece orientation adjustment mechanism (12), the first gripper assembly (210) grasps the workpiece and moves one end of the workpiece to the sensor (105). If the sensor (105) detects that the positions of both ends of the workstation are correct, the workpiece is moved to the machine tool; if the sensor (105) detects that the positions of both ends of the workpiece are incorrect, the workpiece is placed in the second hopper (102).

9. The automated manufacturing unit for automatic composite processing of drill bits according to claim 8, characterized in that: The invention also includes a third material bin (106), wherein the second material bin (102) and the third material bin (106) are distributed on both sides of the workpiece orientation adjustment mechanism (12); when the processed workpiece is moved to the workpiece orientation adjustment mechanism (12) by the second gripper assembly (211), the second gripper assembly (211) first places the workpiece into the third material bin (106), and then the first gripper assembly (210) grabs the workpiece to be processed.

10. The automated manufacturing unit for automatic composite processing of drill bits according to claim 1, characterized in that: The first gripper assembly (210) and the second gripper assembly (211) are arranged on a rotating seat (212); a rotating power (213) is connected to the rotating seat (212); and the rotating power (213) is configured to drive the first gripper assembly (210) and the second gripper assembly (211) to reciprocate between a first state and a second state. In the first state, the first gripping assembly (210) is in a vertically downward state; in the second state, the second gripping assembly (211) rotates to coincide with the position of the first gripping assembly (210) in the first state.

11. The automated manufacturing unit for automatic composite processing of drill bits according to claim 10, characterized in that: The first gripper assembly (210) comprises two sets of clamping arm assemblies (2100) distributed in opposite directions, and a clamping arm power (2101) for driving the clamping arm assemblies (2100) to move synchronously closer or farther away; The clamping arm assembly (2100) comprises a connecting arm (2102) and a clamping seat (2103) provided at both ends of the connecting arm (2102); a clamping groove (2104) is provided on the inner side surface of the clamping seat; long slot holes (2105) are provided at both ends of the connecting arm (2102); and the ends of the clamping seat (2103) are fastened to the long slot holes by bolts (2106).

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