Tapping equipment for precision gear machining

Abstract

The utility model discloses tapping equipment for precision gear machining, and relates to the technical field of machining, the tapping equipment comprises a rack and a gear workpiece, a tapping mechanism is arranged in the rack, and the tapping mechanism comprises a moving assembly, a driving assembly, a driving assembly and a driving assembly, the moving assembly comprises a transverse moving seat slidably mounted at the inner bottom of the rack, and a first driving part capable of driving the transverse moving seat to slide left and right is mounted on the rack. According to the tapping equipment for precise gear machining, in the tapping process, a gear workpiece only moves between the axis of the drill bit and the axis of the tapping drill, the position in the front-back direction does not change at all, it is ensured that the tapping position is accurately matched with the previous drilling position, any possible deviation is avoided, and the machining precision is improved. The machining precision and efficiency of the precision gear are effectively improved, and meanwhile extra time and labor cost consumed by secondary positioning are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining technical field, concretely is a kind of tapping equipment for precision gear machining. BACKGROUND

[0002] Tapping machine is a kind of tapping machine, screw tapping machine, thread tapping machine, automatic tapping machine etc. in the inside face of the hole of various parts with different specifications through hole or blind hole such as machine housing, equipment end face, nut, flange plate. Tapping machine is also called tapping machine, tapping machine, tapping machine, automatic tapping machine.

[0003] In prior art, such as the patent with publication number: CN213257555U, a tapping machine for precision gear machining is disclosed, which opens the first box door, places the material on the top end of the workbench, moves the first hydraulic telescopic rod downward to press the bottom end of the fixing seat on the top end of the material and fixes the material by opening the hydraulic pump, rotates the tapping tool by opening the second motor, moves the second hydraulic telescopic rod downward to make the rotating tapping tool tap the material, then opens the first motor to make the workbench rotate with the material, and the tapping tool rotates to tap other positions of the material, thereby improving the tapping speed of the equipment;It includes first base, multiple groups of supports, second base, workbench, first motor, shell, hydraulic pump, first hydraulic telescopic rod, fixing seat, second hydraulic telescopic rod, second motor and tapping tool.

[0004] Although the device can tap the gear in the above-mentioned patent, it is often necessary to pre-drill the gear end face before tapping, and then put it into the tapping device for tapping operation. This process involves secondary positioning, which not only consumes additional time and labor cost, but also easily causes deviation between the hole position of the gear and the tapping position due to differences in positioning reference, clamping error and other factors during the two positioning conversion processes, thereby affecting the machining precision of the gear. Therefore, the utility model provides a tapping equipment for precision gear machining. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a tapping equipment for precision gear machining, which solves the problems.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a tapping equipment for precision gear machining, comprising a rack and a gear workpiece, the rack is internally provided with a tapping mechanism, the tapping mechanism comprises:

[0007] A moving assembly is installed at the bottom of the rack, the moving assembly comprises a horizontal moving seat slidingly installed at the bottom of the rack, and the rack is provided with a first driving part capable of driving the horizontal moving seat to slide left and right;

[0008] The clamping assembly is installed on the moving assembly;

[0009] The synchronous lifting assembly is installed inside the frame, and comprises lifting seats and a double-shaft motor.

[0010] Preferably, one of the main shafts is provided with a drill bit, and the other main shaft is provided with a tapping drill bit.

[0011] Preferably, the double-shaft motor is installed on the top surface of the frame, and the two output ends of the double-shaft motor are provided with rotating shafts.

[0012] Preferably, the top surface of the lateral moving seat is provided with a longitudinal moving seat.

[0013] Preferably, the clamping assembly comprises two sliding seats installed on the top surface of the longitudinal moving seat.

[0014] Preferably, the top surface of the sliding seat is provided with a clamp.

[0015] Advantages

[0016] The tapping device for precision gear machining has the following advantages compared with the prior art:

[0017] (1) The tapping device for precision gear machining drives the lateral moving seat to slide towards the direction of the drill bit through the first driving part, so that the gear workpiece on the clamping assembly contacts the drill bit and is drilled.

[0018] (2), the tapping equipment for precision gear machining, through the double-shaft motor starts, drives the second bevel gear to rotate, cooperates the first bevel gear and drives the screw rod to rotate, makes the lifting seat and the main shaft slide up and down, thereby realizes the synchronous lifting action of drill bit and tapping drill, makes both always at the same height, simultaneously cooperates the second drive portion and drives the longitudinal moving seat to slide forward and backward, moves the gear work piece to the appropriate position, thereby can satisfy the processing requirement of different positions of gear work piece. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional appearance schematic view of the utility model;

[0020] Figure 2 It is the three-dimensional appearance schematic view of the utility model's partial structure diagram;

[0021] Figure 3 It is the three-dimensional appearance schematic view of the utility model's longitudinal moving seat;

[0022] Figure 4 It is the three-dimensional appearance schematic view of the utility model's longitudinal moving seat;

[0023] Figure 5 It is the three-dimensional appearance schematic view of the utility model's synchronous lifting assembly;

[0024] Figure 6 It is the three-dimensional appearance schematic view of the utility model's clamping assembly.

[0025] In the drawing: 1, rack;2, moving assembly;21, longitudinal moving seat;22, longitudinal moving seat;201, first drive portion;202, second drive portion;3, clamping assembly;31, sliding seat;32, clamp;33, positioning groove;301, third drive portion;4, synchronous lifting assembly;41, lifting seat;42, main shaft;43, screw rod;44, first bevel gear;45, double-shaft motor;46, rotating shaft;47, second bevel gear;5, drill bit;6, tapping drill;7, gear work piece. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model provides two technical schemes:

[0028] Figures 1-6The first embodiment is shown: a tapping device for precision gear machining, comprising a rack 1 and a gear workpiece 7, the rack 1 is internally provided with a tapping mechanism, the tapping mechanism comprises:

[0029] The moving assembly 2 is installed at the bottom of the rack 1, the moving assembly 2 comprises a transverse moving seat 21 slidingly installed at the bottom of the rack 1, and the rack 1 is provided with a first driving part 201 capable of driving the transverse moving seat 21 to slide left and right, the first driving part 201 is a combination of a motor and a lead screw, which provides the transverse moving seat 21 with driving force in the left and right directions;

[0030] The clamping assembly 3 is installed on the moving assembly 2;

[0031] The synchronous lifting assembly 4 is installed inside the rack 1, the synchronous lifting assembly 4 comprises a lifting seat 41 and a double-shaft motor 45, the lifting seat 41 is provided in a number of two, respectively installed on the inner walls of the left and right sides of the rack 1, and can slide up and down, the two lifting seats 41 are provided with a main shaft 42 on the surface of the opposite side, and the lifting seat 41 is vertically threaded through with a lead screw 43, the top end of the lead screw 43 is movably penetrated through the top surface of the rack 1 and extends upward, and the top end of the lead screw 43 is provided with a first bevel gear 44.

[0032] One of the main shafts 42 is provided with a drill bit 5 at the output end, and the other main shaft 42 is provided with a tapping drill 6 at the output end, and the axes of the drill bit 5 and the tapping drill 6 are the same.

[0033] Specifically, the first driving part 201 drives the transverse moving seat 21 to slide in the direction of the drill bit 5 first, so that the gear workpiece 7 on the clamping assembly 3 contacts the drill bit 5 and performs drilling, after the drilling is completed, the first driving part 201 drives the transverse moving seat 21 to slide in the direction of the tapping drill 6, so that the gear workpiece 7 on the clamping assembly 3 contacts the tapping drill 6 and performs tapping, in this process, the gear workpiece 7 only moves between the axes of the drill bit 5 and the tapping drill 6, and the position in the front and back direction does not change, which ensures the accurate matching of the tapping position and the previous drilling position, avoids any possible deviation, effectively improves the machining precision and efficiency of the precision gear, and reduces the additional time and labor cost consumed by secondary positioning.

[0034] In the present embodiment, the double-shaft motor 45 is installed on the top surface of the rack 1, both output ends of the double-shaft motor 45 are provided with a rotating shaft 46, and the end of the rotating shaft 46 is provided with a second bevel gear 47 meshing with the first bevel gear 44. The longitudinal moving seat 22 is slidingly installed on the top of the transverse moving seat 21, and the second driving part 202 capable of driving the longitudinal moving seat 22 to slide forward and backward is also installed on the top of the transverse moving seat 21, the second driving part 202 is a combination of a motor and a lead screw, which provides the longitudinal moving seat 22 with driving force in the front and back directions.

[0035] Specifically, the second bevel gear 47 is driven to rotate by the double-shaft motor 45, and the first bevel gear 44 is driven to rotate by the second bevel gear 47, so that the screw rod 43 is driven to rotate, and the lifting seat 41 and the main shaft 42 are driven to slide up and down, thereby realizing the synchronous lifting action of the drill bit 5 and the tapping drill 6, and making the drill bit 5 and the tapping drill 6 always at the same height. At the same time, the second driving part 202 drives the longitudinal moving seat 22 to slide forward and backward, so that the gear workpiece 7 is moved to a suitable position, thereby meeting the processing requirements of different positions of the gear workpiece 7.

[0036] Figures 1-6 The second embodiment is shown, and the main difference from the first embodiment is that the clamping assembly 3 includes two sliding seats 31 slidingly installed on the top of the longitudinal moving seat 22, and the sliding seats 31 are symmetrically arranged front and back. The longitudinal moving seat 22 is provided with a third driving part 301 capable of driving the two sliding seats 31 to move close to or away from each other, and the third driving part 301 is a combination of a motor and a bidirectional screw rod, which provides the driving force for the two sliding seats 31 of the longitudinal moving seat 22 to move close to or away from each other. The top surface of the sliding seat 31 is provided with a clamp 32, and the inner side of the clamp 32 is provided with a positioning groove 33 matched with the tooth profile of the gear workpiece 7.

[0037] Specifically, when the gear workpiece 7 needs to be clamped, the third driving part 301 drives the sliding seat 31 to move, and the gear workpiece 7 is placed in the positioning groove 33. The positioning groove 33 and the tooth profile of the gear workpiece 7 are matched, so that the gear workpiece 7 is accurately positioned and clamped, and the position of the gear workpiece 7 is stable during the subsequent processing process, so that the subsequent drilling and tapping processing operations are provided with reliable clamping guarantee.

[0038] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0039] In operation, first, the gear workpiece 7 is placed in the positioning groove 33 of the clamp 32, then the third driving part 301 drives the two sliding seats 31 to approach each other to clamp the gear workpiece 7, then the second driving part 202 drives the longitudinal moving seat 22 to slide forward and backward to drive the clamping assembly 3 and the gear workpiece 7 thereon to move to a suitable machining position, then the main shaft 42 is started to drive the drill bit 5 and the tapping drill 6 to rotate, then the first driving part 201 drives the transverse moving seat 21 to slide to the direction of the drill bit 5 to make the gear workpiece 7 on the clamping assembly 3 contact with the drill bit 5 to drill, after drilling, the first driving part 201 drives the transverse moving seat 21 to slide to the direction of the tapping drill 6 to make the gear workpiece 7 on the clamping assembly 3 contact with the tapping drill 6 to tap, in this process, the gear workpiece 7 only moves between the axial lines of the drill bit 5 and the tapping drill 6, and the position in the front-rear direction does not change, which ensures the accurate matching of the tapping position and the previous drilling position, avoids any possible deviation, effectively improves the machining precision and efficiency of the precision gear, and reduces the additional time and labor cost consumed due to secondary positioning.

[0040] When it is required to tap different positions of the gear workpiece 7, the double-shaft motor 45 is started to drive the second bevel gear 47 to rotate, the first bevel gear 44 is driven to rotate to make the lead screw 43 rotate, the lifting seat 41 and the main shaft 42 slide up and down, thereby realizing the synchronous lifting action of the drill bit 5 and the tapping drill 6, so that the two are always at the same height, and the second driving part 202 drives the longitudinal moving seat 22 to slide forward and backward to move the gear workpiece 7 to a suitable position, thereby meeting the machining requirement of different positions of the gear workpiece 7.

[0041] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tapping apparatus for precision gear machining, comprising a rack (1) and a gear workpiece (7), characterized in that: The rack (1) is internally provided with a tapping mechanism, which comprises: A moving assembly (2) is installed on the bottom of the rack (1), and comprises a transverse moving seat (21) slidingly installed on the bottom of the rack (1), and a first driving portion (201) capable of driving the transverse moving seat (21) to slide leftward and rightward is installed on the rack (1); A clamping assembly (3) is installed on the moving assembly (2); A synchronous lifting assembly (4) is installed inside the rack (1), and comprises lifting seats (41) and a double-shaft motor (45), wherein the number of the lifting seats (41) is two, which are respectively installed on the inner walls on the left and right sides of the rack (1) and can slide upward and downward, a main shaft (42) is installed on the surface of each of the two lifting seats (41), a lead screw (43) is threaded through the lifting seat (41) vertically to the surface, the top end of the lead screw (43) is movably threaded through the top surface of the rack (1) and extends upward, and a first bevel gear (44) is installed at the top end of the lead screw (43).

2. A tapping apparatus for precision gear machining according to claim 1, characterized in that: One of the main shafts (42) is provided with a drill bit (5) at the output end, and the other main shaft (42) is provided with a tapping drill (6) at the output end, and the axes of the drill bit (5) and the tapping drill (6) are the same.

3. A tapping apparatus for precision gear machining according to claim 1, characterized in that: The double-shaft motor (45) is installed on the top surface of the rack (1), two output ends of the double-shaft motor (45) are provided with rotating shafts (46), and the rotating shafts (46) are provided with second bevel gears (47) meshing with the first bevel gears (44) at the end portions.

4. A tapping apparatus for precision gear machining according to claim 1, characterized in that: A longitudinal moving seat (22) is slidingly installed on the top of the transverse moving seat (21), and a second driving portion (202) capable of driving the longitudinal moving seat (22) to slide forward and backward is further installed on the top of the transverse moving seat (21).

5. A tapping apparatus for precision gear machining according to claim 4, characterized in that: The clamping assembly (3) comprises two sliding seats (31) slidingly installed on the top of the longitudinal moving seat (22), and the sliding seats (31) are symmetrically arranged front and back, and a third driving portion (301) capable of driving the two sliding seats (31) to move close to or away from each other is installed on the top of the longitudinal moving seat (22).

6. A tapping apparatus for precision gear machining according to claim 5, characterized in that: A clamp (32) is installed on the top surface of the sliding seat (31), and a positioning groove (33) matched with the tooth profile of the gear workpiece (7) is arranged on the inner side of the clamp (32).

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