Tooth fixing device for down-the-hole drill bit machining and machine tool

Abstract

The utility model provides a tooth fixing device for down-the-hole drill bit machining and a machine tool. The horizontal moving mechanism is arranged on the base; the first rotating mechanism is arranged at the moving end of the horizontal moving mechanism and can rotate around a first rotating shaft in a first plane, and a locking mechanism is arranged on the first rotating shaft and used for locking the current rotating position; the second rotating mechanism is arranged at the first rotating end of the first rotating mechanism and can rotate in a second plane, and a tooth fixing structure for fixing a drill bit is arranged at the second rotating end of the second rotating mechanism; a preset included angle is formed between the first plane and the second plane; the multi-dimensional position of the workpiece can be adjusted, and the machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a down -the -hole drill bit processing technical field especially relates to a solid tooth device and machine tool for down -the -hole drill bit processing. BACKGROUND

[0002] In prior art, in the solid tooth process of down -the -hole big drill, because traditional processing mode is mostly dependent on artificial adjustment fixed down -the -hole big drill, specifically, the angle of tooth pressing clamp needs manual adjustment, and the tooth pressing position needs manual adjustment workpiece, and this traditional processing is mostly dependent on labor, and in the processing, manual adjustment is time -consuming and labor -intensive, causes the processing efficiency to be low, and the precision of manual adjustment is difficult to guarantee, makes the quality of processing workpiece difficult to guarantee.

[0003] Therefore, an urgent need arises for a solid tooth device and machine tool for down -the -hole drill bit processing, which can adjust the multidimensional position of the workpiece and improve the processing efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a solid tooth device and machine tool for down -the -hole drill bit processing, which aims at solving the technical problems of high dependence on manual work in traditional processing mode, difficult workpiece position adjustment and low processing efficiency.

[0005] To achieve the above-mentioned purpose, in the first aspect, the utility model provides a solid tooth device for down -the -hole drill bit processing, which comprises:

[0006] A base,

[0007] A horizontal movement mechanism is arranged on the base;

[0008] A first rotating mechanism is arranged on the moving end of the horizontal movement mechanism and can rotate around a first rotating shaft in a first plane, a locking mechanism is arranged on the first rotating shaft to lock the current rotating position;

[0009] A second rotating mechanism is arranged on the first rotating end of the first rotating mechanism and can rotate in a second plane, and a solid tooth structure for fixing the drill bit is arranged on the second rotating end of the second rotating mechanism;

[0010] The first plane and the second plane are arranged at a preset included angle.

[0011] As a further improvement of the above-mentioned scheme, the horizontal movement mechanism comprises a horizontal driving device, a horizontal guide assembly and a horizontal support frame.

[0012] The horizontal guiding assembly is arranged in parallel with the horizontal driving device, the horizontal guiding assembly comprises a linear guide rail and a sliding block sleeved on the linear guide rail, the horizontal driving device comprises a moving part, and the horizontal supporting frame is arranged on the sliding block and the moving part and constitutes a moving end of the horizontal moving mechanism.

[0013] As a further improvement of the above-mentioned scheme, the horizontal driving device comprises a horizontal driving motor, a lead screw connected with the horizontal driving motor, and a lead screw nut movably arranged on the lead screw, and the lead screw nut constitutes the moving part.

[0014] As a further improvement of the above-mentioned scheme, the horizontal supporting frame comprises a bottom plate and two vertical plates vertically arranged on the bottom plate, and the two vertical plates are symmetrically arranged on the bottom plate.

[0015] As a further improvement of the above-mentioned scheme, the first rotating mechanism is arranged on the horizontal supporting frame.

[0016] As a further improvement of the above-mentioned scheme, the first rotating mechanism comprises a first rotating driving motor, a driving gear arranged on the first rotating driving motor, and a sector gear in meshing transmission with the driving gear;

[0017] The end of the sector gear away from the meshing gear is rotatably arranged on the moving end of the horizontal moving mechanism through a first rotating shaft, a supporting plate is arranged on the sector gear, and the supporting plate is arranged perpendicularly to the plane where the sector gear is arranged; and the supporting plate constitutes a first rotating end of the first rotating mechanism.

[0018] As a further improvement of the above-mentioned scheme, the second rotating mechanism comprises a rotating driving device and a workpiece rotating table arranged on the rotating end of the rotating driving device, and the workpiece rotating table is provided with the fixed gear structure.

[0019] As a further improvement of the above-mentioned scheme, the rotating driving device is a gear type rotating driving or a worm and gear type rotating driving.

[0020] As a further improvement of the above-mentioned scheme, the fixed gear structure is a mounting hole and a fastening assembly arranged correspondingly to the drill bit to be machined; the drill bit to be machined is correspondingly fixed and mounted on the workpiece rotating table through the fastening assembly.

[0021] As a further improvement of the above-mentioned scheme, the locking mechanism comprises:

[0022] A pair of axle clamps are hingedly arranged outside the first rotating shaft for clamping the first rotating shaft, the axle clamp comprises a clamping body and a pushing part extending outwardly from one end of the clamping body;

[0023] Driving clamps are respectively hingedly arranged on the outer sides of the toggle parts, and are used to clamp the corresponding toggle parts so that the clamp body clamps the first rotating shaft;

[0024] A power source has a power output end connected to one end of the driving clamp through a connecting block to drive the opening and closing of the driving clamp.

[0025] As a further improvement of the above solution, the locking mechanism further includes a reset spring, which is arranged at the ends of the two clamping bodies away from the hinge.

[0026] As a further improvement of the above solution, the power source is a hydraulic cylinder, and the rod end of the hydraulic cylinder is connected to the connecting block through a coupling.

[0027] In the second aspect, the utility model also provides a machine tool, including a frame, a power pressure head arranged on the frame, and a tooth fixing device for down-the-hole drill bit processing as provided in the first aspect, wherein the frame is arranged on the base of the tooth fixing device for down-the-hole drill bit processing.

[0028] Since the utility model adopts the above technical solution, the beneficial effects of this application are:

[0029] The utility model provides a tooth fixing device for down-the-hole drill bit processing, which can fix the workpiece (drill bit to be processed) on the rotating end of the second rotating mechanism, so that the workpiece can rotate in the second plane under the drive of the second rotating mechanism; the second rotating mechanism is arranged at the first rotating end of the first rotating mechanism, so that the first rotating mechanism can drive the second rotating mechanism and the workpiece thereon to rotate in the first plane, and the first plane and the second plane are arranged at a preset angle; in addition, a horizontal moving mechanism is provided, and the first rotating mechanism is arranged at the moving end of the horizontal moving mechanism, and the horizontal moving mechanism can drive the first rotating mechanism to move in the horizontal direction, and then drive the workpiece to move in the horizontal direction. With such a setting, the multi-dimensional position of the workpiece can be adjusted by the corresponding horizontal moving mechanism, the first rotating mechanism and the second rotating mechanism, thereby improving the processing efficiency; there is no need for several manual workers to carry large-sized down-the-hole drill bits into the machine tool like the traditional processing method, and then rely on manual labor to adjust the position of the workpiece, which can reduce labor intensity and effectively ensure the adjustment position of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0031] Figure 1 A perspective view of a tooth fixing device for processing a down-the-hole drill bit is disclosed in the present application.

[0032] Figure 2 An exploded view of a tooth fixing device for processing a down-the-hole drill bit is disclosed in the present application.

[0033] Figure 3 A partial side view of a tooth fixing device for processing a down-the-hole drill bit is disclosed in the present application.

[0034] Figure 4 A perspective view of a machine tool is disclosed in the present application.

[0035] Figure 5 A front view of a machine tool (with a workpiece installed) is disclosed in the present application.

[0036] Reference signs:

[0037] 0, tooth fixing device; 1, base; 2, horizontal moving mechanism; 21, horizontal driving device; 212, screw rod; 213, screw nut; 22, horizontal guiding assembly; 23, horizontal support frame; 231, bottom plate; 232, vertical plate;

[0038] 3, first rotating mechanism; 31, first rotating driving motor; 32, driving gear; 33, sector gear; 34, first rotating shaft; 35, support plate;

[0039] 4, locking mechanism; 41, shaft clamp; 411, clamp body; 412, pushing part; 42, driving clamp; 43, power source; 44, return spring;

[0040] 5, second rotating mechanism; 51, rotating driving device; 52, workpiece rotating table;

[0041] 01, machine frame; 02, power ram; 03, workpiece.

[0042] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0044] It should be noted that all the directional indications (such as up, down, and the like) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0045] In addition, the descriptions such as "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features.

[0046] In addition, the technical solutions of the various embodiments of the present application can be combined with each other, but must be based on the realization of the ordinary skilled in the art, and when the combination of the technical solutions appears contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope required by the present application.

[0047] Example 1

[0048] Referring to Figures 1-3 The utility model provides a tooth fixing device for down -the -hole drill bit processing, include:

[0049] Base 1 with horizontal plane parallel;

[0050] Horizontal moving mechanism 2 set up on base 1;

[0051] First rotating mechanism 3 is arranged at the moving end of the horizontal moving mechanism 2, and can rotate around the first rotating shaft 34 in the first plane, the first rotating shaft 34 is provided with locking mechanism 4, for locking the current rotating position;

[0052] Second rotating mechanism 5 is arranged at the first rotating end of the first rotating mechanism 3, and can rotate in the second plane, the second rotating end of the second rotating mechanism 5 is provided with tooth fixing structure for fixing drill bit, specifically, the second rotating mechanism 5 has self-locking mechanism or can lock the rotating position through control system control;

[0053] The first plane and the second plane are arranged at a preset included angle; in the embodiment, the first plane is arranged perpendicularly to the horizontal plane, and since the second rotating mechanism 5 is arranged at the first rotating end of the first rotating mechanism 3, the included angle between the second plane and the second plane is continuously changed with the rotation of the first rotating mechanism 3; preferably, the preset included angle is 0-90°; in this way, a plurality of different spatial positions of the workpiece 03 arranged at the second rotating end of the second rotating mechanism 5 can be combined, so as to meet the machining of different positions of the workpiece 03.

[0054] The utility model discloses, can pass through the workpiece 03 ( the drill bit of processing to be arranged in the rotating end of second rotating mechanism 5, under the driving of second rotating mechanism 5, make the workpiece 03 can rotate in the second plane, second rotating mechanism 5 is arranged at the first rotating end of first rotating mechanism 3, thereby the first rotating mechanism 3 can drive second rotating mechanism 5 and its workpiece 03 rotate in the first plane, and the first plane and the second plane are arranged at a preset included angle, in addition still be equipped with horizontal moving mechanism 2, first rotating mechanism 3 is arranged at the moving end of horizontal moving mechanism 2, and horizontal moving mechanism 2 can drive first rotating mechanism 3 moves in the horizontal direction, in turn drive workpiece 03 moves in the horizontal direction, such setting, can pass through corresponding horizontal moving mechanism 2, first rotating mechanism 3 and second rotating mechanism 5 adjustment workpiece 03's multidimensional position ( make workpiece 03 can move forward and backward, can be turned over in the first plane, can rotate angle in the second plane), improve processing efficiency, without like traditional processing mode, for big size down-the-hole drill need several artificial handling to machine tool, then rely on artificial to adjust the position of workpiece 03, can reduce the labor intensity, and make the adjustment position of workpiece 03 effectively guarantee.

[0055] As a preferred embodiment, the horizontal moving mechanism 2 comprises a horizontal driving device 21, a horizontal guide assembly 22 and a horizontal support frame 23.

[0056] The horizontal guide assembly 22 is arranged in parallel with the horizontal driving device 21, the horizontal guide assembly 22 comprises a linear guide rail and a sliding block sleeved on the linear guide rail, the horizontal driving device 21 comprises a moving part, and the horizontal support frame 23 is arranged on the sliding block and the moving part and constitutes a moving end of the horizontal moving mechanism 2.

[0057] Specifically, in the embodiment, two groups of horizontal guide assemblies 22 are arranged, the horizontal driving device 21 comprises a horizontal driving motor, a screw rod 212 connected with the horizontal driving motor and a screw nut 213 movably arranged on the screw rod 212, and the screw nut 213 constitutes the moving part.

[0058] The horizontal guiding assemblies 22 are symmetrically arranged on the left and right sides of the horizontal driving device 21, each linear guide rail is provided with two sliders, the bottom of the horizontal support frame 23 is connected with the four sliders and a screw nut 213, under the driving of the screw rod 212 and the guiding of the horizontal guiding assemblies 22, the screw nut 213 drives the horizontal support frame 23 to move horizontally, thereby satisfying the front and back movement of the workpiece 03.

[0059] As a preferred embodiment, the horizontal support frame 23 comprises a bottom plate 231 and two vertical plates 232 vertically arranged on the bottom plate 231, the two vertical plates 232 are symmetrically arranged on the bottom plate 231;

[0060] The first rotating mechanism 3 is arranged on the horizontal support frame 23;

[0061] The first rotating mechanism 3 comprises a first rotating driving motor 31, a driving gear 32 arranged on the first rotating driving motor 31, and a sector gear 33 in meshing transmission with the driving gear 32;

[0062] The end of the sector gear 33 away from the meshing teeth is rotatably arranged on the moving end of the horizontal moving mechanism 2 through a first rotating shaft 34, the sector gear 33 is provided with a support plate 35, the support plate 35 is vertically arranged with the plane where the sector gear 33 is located; the support plate 35 constitutes a first rotating end of the first rotating mechanism 3;

[0063] Specifically, in the embodiment, the sector gear 33 comprises a sector plate with a preset central included angle and an arc-shaped rack arranged on the outer edge of the sector plate, the arc-shaped rack is arranged on the sector plate by welding or riveting, for meshing transmission with the driving gear 32; in this way, the machining cost of the sector gear 33 can be reduced;

[0064] The first rotating shaft 34 is arranged on the upper part of each of the two vertical plates of the horizontal support frame 23, and a sector gear 33 is rotatably arranged on each of the first rotating shafts 34, and the sector gears 33 are arranged on the inner sides of the two vertical plates; the locking mechanism 4 is arranged on the outer side of each of the vertical plates; the support plate 35 is arranged between the two sector gears 33, and the two ends of the support plate 35 are fixedly connected with the corresponding sector gears 33; the first rotating drive motor 31 is arranged on the lower part of the outer side of any of the vertical plates, and the drive shaft of the first rotating drive motor 31 penetrates the vertical plate, and the driving gear 32 is arranged on the inner side of the vertical plate and is in meshing connection with the sector gear 33; in this way, the first rotating drive motor 31 drives the driving gear 32 to rotate, thereby driving the sector gear 33 to rotate, and the support plate 35 arranged between the two sector gears 33 also rotates, and the two sector gears 33 and the support plate 35 form a rocking basket, and the rocking basket swings around the first rotating shaft 34; as long as the rotation or swing of the first rotating drive motor 31 is controlled, the support plate 35 can swing within a preset angle range; when it is needed to be fixed at a certain angle within the preset angle range, the first rotating drive motor 31 is stopped, and the locking mechanism 4 is started to tightly hold the first rotating shaft 34 to fix the current rotating position; this rocking and locking only need to be completed by the control system, and manual intervention is not needed.

[0065] As a preferred embodiment, the second rotating mechanism 5 comprises a slewing drive device 51 and a workpiece rotating table 52 arranged on the rotating end of the slewing drive device 51, and the workpiece rotating table 52 is provided with the fixed-tooth structure; the slewing drive device 51 is a gear type slewing drive or a worm and gear type slewing drive; preferably, the slewing drive device 51 is a worm and gear type slewing drive, which can realize self-locking of the rotating position; the workpiece rotating table 52 is fixedly connected with the inner ring of the slewing bearing of the slewing drive device 51, so that the workpiece rotating table 52 can be driven to rotate by the rotation of the slewing drive device 51, and the workpiece 03 arranged on the workpiece rotating table 52 is also driven to rotate.

[0066] As a preferred embodiment, the fixed-tooth structure is a mounting hole and a fastening assembly corresponding to the drill bit to be machined; the drill bit to be machined is fixedly arranged on the workpiece rotating table 52 by the fastening assembly.

[0067] As a preferred embodiment, the locking mechanism 4 comprises:

[0068] The shaft holding clamp 41 is hingedly arranged on the outer side of the first rotating shaft 34 in pairs, and is used for holding and clamping the first rotating shaft 34; the shaft holding clamp 41 comprises a holding clamp body 411 and a pushing part 412 extending outwardly from one end of the holding clamp body 411;

[0069] Driving clamps 42 are respectively arranged outside the toggle portions 412 through hinging, and are used to clamp the corresponding toggle portions 412 so that the clamping bodies 411 clamp the first rotating shaft 34;

[0070] A power source 43 is connected to one end of the driving clamp 42 through a connecting block to drive the opening and closing of the driving clamp 42; in this embodiment, the power source 43 is a hydraulic cylinder (a micro hydraulic cylinder), and the rod end of the hydraulic cylinder is connected to the connecting block through a shaft coupling; one end of the driving clamp 42 is connected to the connecting block, and when the hydraulic cylinder is retracted downward, the rod end of the hydraulic cylinder drives the connecting block to move downward through the shaft coupling, thereby driving the driving clamp 42 to retract inward and clamp, and driving the toggle portions 412 to tighten inward, and further driving the clamping bodies 411 to tighten to clamp the first rotating shaft 34.

[0071] As a preferred embodiment, the locking mechanism 4 further comprises a reset spring 44 arranged at the end of the two clamping bodies 411 away from the hinging end; when it is necessary to release the locking of the first rotating shaft 34, the hydraulic cylinder is extended upward, the rod end of the hydraulic cylinder drives the connecting block to move upward through the shaft coupling, thereby driving the driving clamp 42 to open outward and release the clamping of the toggle portions 412, and the clamping bodies 411 open outward under the action of the reset spring 44 to release the clamping of the first rotating shaft 34.

[0072] Embodiment 2

[0073] Referring to Figure 4 and Figure 5 The utility model also provides a machine tool which comprises a rack 01, a power pressure head 02 arranged on the rack 01, and a tooth fixing device 0 for processing a down-the-hole drill bit provided in embodiment 1, wherein the rack 01 is arranged on the base 1 of the tooth fixing device 0 for processing a down-the-hole drill bit; the tooth fixing device 0 is arranged so that the workpiece 03 arranged thereon can be automatically turned over, rotated at a certain angle, and moved back and forth without manual pushing, pushing out and manual adjustment of the rotating position, thereby reducing manual labor, realizing processing by one person and greatly improving processing efficiency.

[0074] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by referring to the utility model specification and the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A tooth fastening device for use in the manufacture of down-the-hole bits, characterized by, The utility model relates to a kind of fixed tooth device for processing down-the-hole drill bit, including: Base; Horizontal moving mechanism, be arranged on the base; First rotating mechanism, be arranged in the moving end of the horizontal moving mechanism, can be rotated in first plane around first rotation axis, the first rotation axis is equipped with locking mechanism, for locking current rotating position; Second rotating mechanism, be arranged in the first rotating end of the first rotating mechanism, can be rotated in second plane, the second rotating end of the second rotating mechanism is equipped with fixed tooth structure of fixed drill bit; The first plane and second plane are arranged with preset included angle.

2. A tooth fastening device for use in the manufacture of down-the-hole drills as defined in claim 1, characterized in that The horizontal moving mechanism includes horizontal driving device and horizontal guide assembly, and horizontal support frame; The horizontal guide assembly is arranged in parallel with horizontal driving device, and the horizontal guide assembly includes linear guide rail and sliding block sleeved on the linear guide rail; The horizontal driving device includes moving part, and the horizontal support frame is arranged on the sliding block and the moving part, and constitutes the moving end of the horizontal moving mechanism.

3. A tooth fastening device for use in the manufacture of down-the-hole drills according to claim 2, characterised in that, The horizontal driving device includes horizontal driving motor, screw rod connected with the horizontal driving motor, and screw nut movably arranged on the screw rod, and the screw nut constitutes the moving part.

4. A tooth fastening device for use in the manufacture of down-the-hole drills as claimed in any one of claims 1 to 3, wherein, The first rotating mechanism includes first rotating driving motor, driving gear arranged on the first rotating driving motor, and sector gear meshing transmission with the driving gear; The end of the sector gear away from meshing tooth is rotatably arranged on the moving end of the horizontal moving mechanism through first rotation axis, and the sector gear is equipped with support plate, and the support plate is arranged perpendicularly with the plane where the sector gear is located;The support plate constitutes the first rotating end of the first rotating mechanism.

5. A tooth fastening device for use in the manufacture of down-the-hole drills as claimed in any one of claims 1 to 3, wherein, The second rotating mechanism includes rotary driving device and workpiece rotating table arranged on the rotating end of the rotary driving device, and the workpiece rotating table is equipped with the fixed tooth structure.

6. A tooth fastening device for use in the manufacture of down-the-hole drills according to claim 5, characterised in that, The rotary driving device is gear type rotary driving or worm and gear type rotary driving.

7. A tooth fastening device for use in the manufacture of down-the-hole drills as defined in claim 5, characterized in that The fixed tooth structure is mounting hole and fastening assembly corresponding to the drill bit to be processed, and the drill bit to be processed is fixedly installed on the workpiece rotating table through fastening assembly.

8. A tooth fastening device for use in the manufacture of down-the-hole drills as defined in any one of claims 1 to 3, characterized in that The locking mechanism includes: Shaft clamp, hingedly arranged on the outside of the first rotation axis in pairs, for holding and clamping the first rotation axis, the shaft clamp includes clamping body and outwardly extending actuating portion arranged at one end of the clamping body; Driving clamp, respectively corresponding hingedly arranged on the outside of the actuating portion, for clamping corresponding actuating portion to make the clamping body hold and clamp the first rotation axis; Power source, the power output end of which is connected with one end of the driving clamp through connecting block, to drive the opening and closing of the driving clamp.

9. A tooth fastening device for use in the manufacture of down-the-hole drills according to claim 8, characterised in that, The locking mechanism further includes return spring, and the return spring is arranged at the end away from the hinged end of the two clamping bodies.

10. A machine tool, characterized by Including rack, power head arranged on the rack, and a kind of fixed tooth device for processing down-the-hole drill bit as claimed in any one of claims 1-9, and the rack is arranged on the base of the fixed tooth device for processing down-the-hole drill bit.

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