Gear milling machine for rack production and rack

Abstract

The utility model discloses a gear milling machine for rack production, which comprises a base, a turntable is rotatably mounted on one side of the top of the base, fixing seats are distributed at equal intervals on the top of the turntable, a rotating column is inserted into the top of each fixing seat, and a tool clamp is fixedly mounted on the top of each rotating column. A limiting bottom block is fixedly connected to the bottom of an inner cavity of the fixing base, and the end, located in the inner cavity of the fixing base, of the rotating column is rotationally installed on the limiting bottom block. The gear milling machine can be adjusted according to the angle machining requirements of the teeth of the rack during machining, so that a straight-tooth rack or a helical-tooth rack is machined, a long rack can be machined by adjusting the position of the rack, the machining requirements of racks of different models and sizes are met, the production and machining efficiency of the racks is improved, and the production cost is reduced. And convenience is provided for work and use of the user.

Description

TECHNICAL FIELD

[0001] The utility model relates to rack production and processing technical field, especially a rack production is with gear milling machine and rack. BACKGROUND

[0002] Rack is a kind of special gear with teeth distributed on bar body, rack is also divided into straight rack and helical rack, in the production and processing of rack, rack is fixed to gear milling machine, then "machine head" on gear milling machine slowly approaches and finally mills tooth on bar body, to form rack, workpiece is fixed when traditional gear milling machine works, "machine head" (that is the part with milling cutter) is also linear motion, so "machine head" and workpiece are difficult to adjust angle in the processing, therefore only straight rack processing can be met in production, helical rack production is difficult to meet, greatly limit the working performance of gear milling machine, cannot meet the processing demand of different standard rack.

[0003] The utility model improves in view of the above problems. SUMMARY

[0004] The utility model discloses a kind of rack production is with gear milling machine and rack, solve the above problems existing in the use process in prior art.

[0005] The technical scheme of the utility model is as follows: a kind of rack production is with gear milling machine, including base, the top of the base one side rotation is installed with carousel, the top of the carousel is equally spaced distribution and is provided with fixed seat, the top of the fixed seat is inserted with rotating column, the top of the rotating column is fixedly installed with tool fixture, the bottom of the fixed seat inner chamber is fixedly connected with limit bottom block, the rotating column is rotationally installed on limit bottom block in one end of fixed seat inner chamber, the inner wall of the fixed seat inner chamber two sides is equipped with the evenly distributed sliding slot one, the inner chamber of the sliding slot one is slidably installed with the pin, one end of the pin is fixedly connected with spring one, the end of spring one away from pin is fixedly connected on the inner wall of sliding slot one, the surface of rotating column insertion in one end of fixed seat inner chamber is equipped with the clamping groove that is adapted to pin.

[0006] The utility model as described above for rack production is with gear milling machine and rack, further: the surface of limit bottom block is equipped with the evenly distributed sliding slot two, the inside of the sliding slot two is slidably installed with the pin two, one end of the pin two is fixedly connected with spring two.

[0007] The utility model as described above for rack production is with gear milling machine and rack, further: the end of spring two away from pin two is fixedly connected on the inner wall of sliding slot two, one end of the pin two is inserted into the inner wall of rotating column.

[0008] The utility model discloses a milling teeth machine and rack for rack production further: tooling fixture includes the bottom frame of fixed mounting on the rotary column, the inside of bottom frame is provided with the screw rod, the surface screw of screw rod installs the clamping arm sliding in the bottom frame, clamping arm is adapted with bottom frame.

[0009] The utility model discloses a milling teeth machine and rack for rack production further: one side fixed mounting has milling teeth machine main body at the top of base, the output fixed mounting of milling teeth machine main body has the fixed frame, one side fixed mounting has step motor no.

[0010] The utility model discloses a milling teeth machine and rack for rack production further: the bottom fixed mounting of base has the gear ring, one side fixed mounting has step motor no.

[0011] A rack, the rack is clamped between the bottom frame and the clamping arm, and the teeth on the top of the rack are processed by the milling cutter.

[0012] In summary, the utility model has the advantages of:

[0013] 1, the utility model discloses adjusting the structure design of rack processing angle and milling teeth processing position, so that milling teeth machine can be adjusted according to the angle processing needs of rack tooth when processing, thereby processing straight tooth rack or helical tooth rack, also can process long rack by adjusting the position of rack, thereby satisfying the processing demand of different model size rack, improving the production and processing efficiency of rack, and providing convenient for user's work use.

[0014] 2, the utility model discloses the setting of sliding slot no. 2, the pin and spring no. 2, sliding slot no. 2 is set up on the limiting bottom block, the pin no. 2 is slidably installed in sliding slot no. 2, when the rotary column is rotated, the inner wall will extrude the pin no. 2 into the inside of sliding slot no. 2, and spring no. 2 is compressed, and the inner wall of the rotary column is also provided with the groove no. 2 matched with the pin no. 2, when any groove no. 2 on the inner wall of the rotary column is aligned with the corresponding pin no. 2, the pin no. 2 is popped out from the inner chamber of sliding slot no. 2 and is clamped into the corresponding groove no. 2 under the action of spring no. 2, so that the positioning of the rotary column is realized, further, the tooling fixture and the rack are positioned at the angle, guarantee the stability when processing rack, provide convenient for user's work use.

[0015] 3、The utility model discloses a tool fixture is used for clamping the rack, and the tool fixture is composed of the chassis, screw rod and clamping arm, when operating, the user rotates the screw rod, the screw rod drives the clamping arm to slide in the chassis, then the clamping arm and the chassis are mutually matched and clamping the rack, then shift to the milling cutter below and carry out the rack tooth processing, guarantee the stability of rack processing, improve the precision of rack processing, provide the convenient for the work use of user.

[0016] 4、The utility model discloses the setting of milling machine main part, fixed frame, stepping motor two and milling cutter, the milling machine main part is with the function of driving fixed frame vertical shift, horizontal shift, this is prior art, and the civilization does not explain too much, thus workpiece shifts to the below of milling cutter, under the driving of the milling machine main part, "milling machine head" that is composed of fixed frame, stepping motor two and milling cutter will move down and be close to workpiece and carry out processing to workpiece, and also will make corresponding horizontal shift, thereby accurately milling tooth on workpiece and processing the rack tooth that satisfies the requirement, provide the convenient for the work use of user.

[0017] 5、The utility model discloses the setting of gear ring, stepping motor one and gear, in actual work, stepping motor one will start work, then stepping motor one drives gear rotation work, gear will drive gear ring rotation work, gear ring will drive rotary table rotation work on base, thereby shifting the rack that needs processing to the below of milling cutter, carries out rack tooth processing to workpiece by milling cutter, after the current rack processing, continues to be driven by rotary table and shifts, then next rack will shift to this processing position and carry out the replacement, continues the processing of rack, thereby satisfies the production processing demand of rack, realizes the automatic operation, improves the efficiency of rack processing, provides the convenient for the work use of user.

[0018] 6、The utility model discloses the setting of gear ring, stepping motor one and gear, in actual work, stepping motor one will start work, then stepping motor one drives gear rotation work, gear will drive gear ring rotation work, gear ring will drive rotary table rotation work on base, thereby shifting the rack that needs processing to the below of milling cutter, carries out rack tooth processing to workpiece by milling cutter, after the current rack processing, continues to be driven by rotary table and shifts, then next rack will shift to this processing position and carry out the replacement, continues the processing of rack, thereby satisfies the production processing demand of rack, realizes the automatic operation, improves the efficiency of rack processing, provides the convenient for the work use of user. ACCURACY

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing that needs to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2This is a bottom view schematic diagram of a partial three-dimensional structure of the present invention;

[0022] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0023] Figure 4 It is a schematic cross-sectional view of the three-dimensional structure of the fixing seat;

[0024] Figure 5 It is a schematic cross-sectional view of the three-dimensional structure of the limiting bottom block.

[0025] In the figure: 1. base, 2. turntable, 3. base frame, 4. fixed seat, 5. rotating column, 6. limiting bottom block, 7. slide groove 1, 8. latch pin 1, 9. spring 1, 10. slide groove 2, 11. latch pin 2, 12. spring 2, 13. screw, 14. clamping arm, 15. gear ring, 16. stepper motor 1, 17. gear, 18. gear milling machine body, 19. fixed frame, 20. stepper motor 2, 21. milling cutter. DETAILED DESCRIPTION

[0026] The following is a combination of the appended examples of the present invention Figures 1-5 , clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention. Example

[0027] A gear milling machine for rack production includes a base 1, a turntable 2 is rotatably installed on one side of the top of the base 1, and a fixed seat 4 is evenly spaced on the top of the turntable 2. A rotating column 5 is inserted on the top of the fixed seat 4, and a tool fixture is fixedly installed on the top of the rotating column 5. The bottom of the inner cavity of the fixed seat 4 is fixedly connected to the limiting bottom block 6, and one end of the rotating column 5 is located in the inner cavity of the fixed seat 4 and is rotatably installed on the limiting bottom block 6. Evenly distributed slide grooves 7 are opened on the inner walls of both sides of the inner cavity of the fixed seat 4, and a bayonet 8 is slidably installed in the inner cavity of the slide groove 7. One end of the bayonet 8 is fixedly connected to a spring 9, and the end of the spring 9 away from the bayonet 8 is fixedly connected to the inner wall of the slide groove 7. The surface of the rotating column 5 inserted in one end of the inner cavity of the fixed seat 4 is provided with a slot adapted to the bayonet 8.

[0028] The specific use process is as follows: first, rotate the screw rod 13, use the screw rod 13 to drive the clamping arm 14 to move and adjust in the chassis 3, then place the workpiece on the chassis 3, then reverse the screw rod 13 to drive the clamping arm 14 to move back, and finally the workpiece is clamped and fixed under the action of the screw rod 13 and the clamping arm 14, that is, the tool fixture composed of the chassis 3, the screw rod 13 and the clamping arm 14 is used to clamp the rack, when operating, the user rotates the screw rod 13, the screw rod 13 drives the clamping arm 14 to slide in the chassis 3, then the clamping arm 14 and the chassis 3 cooperate to clamp the rack, then move to the position directly below the milling cutter 21 for milling tooth processing, ensure the stability of the rack processing, improve the precision of the rack processing, provide convenience for the user's work use, then the stepping motor 16 will start to drive the gear 17 to rotate, the gear 17 will drive the gear ring 15 to rotate, the gear ring 15 will drive the turntable 2 to rotate on the base 1, specifically, in actual work, the stepping motor 16 will start to work, then the stepping motor 16 drives the gear 17 to rotate and work, the gear 17 drives the gear ring 15 to rotate and work, the gear ring 15 drives the turntable 2 to rotate and work on the base 1, so as to move the rack to be processed to the position directly below the milling cutter 21, and then the milling cutter 21 is used for milling tooth processing of the workpiece, after the current rack is processed, continue to be driven by the turntable 2 to move, then the next rack will move to the processing position to make up the position and continue to process the rack, so as to meet the production and processing requirements of the rack, realize automatic working operation, improve the efficiency of rack processing, provide convenience for the user's work use, then under the drive of the turntable 2, the work fixture holding the workpiece at the current position will move one point forward, then the next tool fixture will move to the current position to make up the position, place and clamp the workpiece, then continue to move, then the next tool fixture continues to move to the position, until the first workpiece moves to the position directly below the milling cutter 21, at this time the milling machine main body 18 drives the milling cutter 21 to move down and close to the workpiece, finally the workpiece is processed by milling, wherein the milling machine main body 18 has the functions of driving the fixed frame 19 to move vertically and horizontally, which is the prior art, and will not be described in detail in this paper, therefore, after the workpiece moves to the position directly below the milling cutter 21, under the drive of the milling machine main body 18, the "milling machine head" composed of the fixed frame 19, the stepping motor 20 and the milling cutter 21 will move down to close to the workpiece and process the workpiece, and also make corresponding horizontal movement, so as to accurately mill the rack teeth on the workpiece to meet the requirements, provide convenience for the user's work use, wherein the tool fixture can also adjust the milling tooth processing position of the workpiece according to the actual processing condition, provide convenience for the user's work use, and also can adjust the processing angle of the rack teeth according to the processing requirement, when adjusting, the user directly rotates the tool fixture, then the tool fixture drives the rotating column 5 to rotate, that is, the chassis 3 drives the rotating column 5 to rotate, wherein the rotating column 5 rotates in the fixed seat 4 and also rotates on the limiting bottom block 6, therefore, when the rotating column 5 rotates,The outer wall of the rotating column 5 extrudes the clamping pin 8 in the fixed seat 4 and extrudes the clamping pin 8 into the sliding groove 7, and the spring 9 is compressed, and the surface of the rotating column 5 is provided with a clamping groove 1, when the workpiece angle is adjusted, the clamping pin 8 is clamped into the corresponding clamping groove 1, thereby positioning the tool fixture at the current position, and positioning the workpiece at the current position, ensuring the stability of the workpiece during machining, and realizing the angle adjustment of the workpiece during machining, meeting the machining needs of the user, and providing convenience for the user's work use, wherein the sliding groove 2 10 is provided on the limiting bottom block 6, and the clamping pin 2 11 is slidably installed in the sliding groove 2 10, when the rotating column 5 rotates, the inner wall thereof extrudes the clamping pin 2 11 into the inside of the sliding groove 2 10, and the spring 2 12 is compressed, and the inner wall of the rotating column 5 is further provided with a clamping groove 2 matched with the clamping pin 2 11, when any clamping groove 2 on the inner wall of the rotating column 5 is aligned with the corresponding clamping pin 2 11, the clamping pin 2 11 is ejected from the inner cavity of the sliding groove 2 10 and clamped into the corresponding clamping groove 2 under the action of the spring 2 12, thereby achieving the positioning effect of the rotating column 5, further positioning the tool fixture and the rack at the angle, ensuring the stability of the rack during machining, and providing convenience for the user's work use.

[0029] Therefore, the structure design of adjusting the angle of the rack and the milling position of the rack enables the rack miller to adjust the angle of the rack teeth according to the angle processing needs during machining, thereby machining straight-toothed racks or helical-toothed racks, and being capable of machining long racks by adjusting the position of the rack, thereby meeting the machining needs of racks of different models and sizes, improving the production and machining efficiency of the rack, and providing convenience for the user's work use.

[0030] The surface of the limiting bottom block 6 is provided with uniformly distributed sliding grooves 2 10, the sliding grooves 2 10 are slidably installed with clamping pins 2 11, one end of the clamping pins 2 11 is fixedly connected with springs 2 12, the other end of the springs 2 12 away from the clamping pins 2 11 is fixedly connected to the inner wall of the sliding grooves 2 10, and one end of the clamping pins 2 11 is inserted into the inner wall of the rotating column 5.

[0031] Specifically, the sliding groove 2 10, the clamping pin 2 11 and the spring 2 12 are provided, the sliding groove 2 10 is provided on the limiting bottom block 6, the clamping pin 2 11 is slidably installed in the sliding groove 2 10, when the rotating column 5 rotates, the inner wall thereof extrudes the clamping pin 2 11 into the inside of the sliding groove 2 10, and the spring 2 12 is compressed, and the inner wall of the rotating column 5 is further provided with a clamping groove 2 matched with the clamping pin 2 11, when any clamping groove 2 on the inner wall of the rotating column 5 is aligned with the corresponding clamping pin 2 11, the clamping pin 2 11 is ejected from the inner cavity of the sliding groove 2 10 and clamped into the corresponding clamping groove 2 under the action of the spring 2 12, thereby achieving the positioning effect of the rotating column 5, further positioning the tool fixture and the rack at the angle, ensuring the stability of the rack during machining, and providing convenience for the user's work use.

[0032] The tool clamp comprises a base frame 3 fixedly installed on the rotating column 5, a screw rod 13 is arranged through the inner side of the base frame 3, the surface of the screw rod 13 is threadedly installed with a clamping arm 14 sliding in the base frame 3, and the clamping arm 14 is matched with the base frame 3.

[0033] Specifically, the tool clamp is composed of the base frame 3, the screw rod 13 and the clamping arm 14, and is used to clamp the rack. When in operation, the user rotates the screw rod 13, the screw rod 13 drives the clamping arm 14 to slide in the base frame 3, and then the clamping arm 14 clamps the rack in cooperation with the base frame 3, and then is transferred to the position directly below the milling cutter 21 to perform the rack milling processing, so as to ensure the stability of the rack processing and improve the precision of the rack processing, thereby providing convenience for the user's work and use.

[0034] Specifically, the tool clamp is composed of the base frame 3, the screw rod 13 and the clamping arm 14, and is used to clamp the rack. When in operation, the user rotates the screw rod 13, the screw rod 13 drives the clamping arm 14 to slide in the base frame 3, and then the clamping arm 14 clamps the rack in cooperation with the base frame 3, and then is transferred to the position directly below the milling cutter 21 to perform the rack milling processing, so as to ensure the stability of the rack processing and improve the precision of the rack processing, thereby providing convenience for the user's work and use.

[0035] Specifically, the tool clamp is composed of the base frame 3, the screw rod 13 and the clamping arm 14, and is used to clamp the rack. When in operation, the user rotates the screw rod 13, the screw rod 13 drives the clamping arm 14 to slide in the base frame 3, and then the clamping arm 14 clamps the rack in cooperation with the base frame 3, and then is transferred to the position directly below the milling cutter 21 to perform the rack milling processing, so as to ensure the stability of the rack processing and improve the precision of the rack processing, thereby providing convenience for the user's work and use.

[0036] Specifically, the tool clamp is composed of the base frame 3, the screw rod 13 and the clamping arm 14, and is used to clamp the rack. When in operation, the user rotates the screw rod 13, the screw rod 13 drives the clamping arm 14 to slide in the base frame 3, and then the clamping arm 14 clamps the rack in cooperation with the base frame 3, and then is transferred to the position directly below the milling cutter 21 to perform the rack milling processing, so as to ensure the stability of the rack processing and improve the precision of the rack processing, thereby providing convenience for the user's work and use.

[0037] Specifically, the arrangement of the gear ring 15, the first stepping motor 16 and the gear 17, in actual work, the first stepping motor 16 will start to work, then the first stepping motor 16 drives the gear 17 to rotate and work, the gear 17 drives the gear ring 15 to rotate and work, and the gear ring 15 drives the rotating disc 2 to rotate and work on the base 1, so as to transfer the gear rack to be machined to the directly below the milling cutter 21, and the milling cutter 21 mills the gear of the workpiece, after the current gear rack is machined, the rotating disc 2 is continuously driven to transfer, then the next gear rack is transferred to the machining position to be positioned, and the machining of the gear rack is continuously carried out, so as to meet the production and machining requirements of the gear rack, realize automatic machining operation, improve the efficiency of the gear rack machining, and provide convenience for the work and use of the user.

[0038] A gear rack is clamped between the base frame 3 and the clamping arm 14, and the gear teeth at the top of the gear rack are machined by the milling cutter 21.

[0039] Specifically, after the gear rack is adjusted to rotate to the directly below the milling cutter 21, the milling cutter 21 is driven to move downward by the milling cutter main body 18, and the milling cutter 21 also rotates to machine the gear teeth on the surface of the gear rack, that is, the milling cutter machining mode is used to produce the required gear rack, or the straight tooth gear rack, or the helical tooth gear rack, so as to provide convenience for the work and use of the user.

[0040] It should be noted that the functions of the hardware in the utility model have a large number of mature technologies to support, and belong to the prior art, and the essence of the utility model is to optimize and combine the existing hardware and the connection mode thereof for specific application occasions, so as to meet the adaptive requirements in specific application occasions and solve the problems in the background art (not related to the improvement of the internal software of the hardware).

[0041] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gear hobbing machine for rack production, comprising a base (1), characterized in that: The top of the base (1) is rotatably connected with a rotating disc (2), and the top of the rotating disc (2) is provided with fixed seats (4) at equal intervals, the top of each fixed seat (4) is connected with a rotating column (5), the top of the rotating column (5) is fixedly connected with a tool clamp, the bottom of the inner cavity of the fixed seat (4) is fixedly connected with a limiting bottom block (6), one end of the rotating column (5) in the inner cavity of the fixed seat (4) is rotatably connected with the limiting bottom block (6), the inner walls of the inner cavities of the two sides of the fixed seat (4) are provided with evenly distributed sliding grooves (7), the inner cavities of the sliding grooves (7) are slidably connected with clamping pins (8), one end of each clamping pin (8) is fixedly connected with a spring (9), the end of the spring (9) away from the clamping pin (8) is fixedly connected with the inner wall of the sliding groove (7), and the surface of one end of the rotating column (5) inserted into the inner cavity of the fixed seat (4) is provided with a clamping groove matched with the clamping pin (8).

2. The gear hobbing machine for rack production according to claim 1, characterized in that: The surface of the limiting bottom block (6) is provided with evenly distributed sliding grooves (10), and the inner cavities of the sliding grooves (10) are slidably connected with clamping pins (11).

3. The gear hobbing machine for rack production according to claim 2, characterized in that: The end of the spring (9) away from the clamping pin (8) is fixedly connected with the inner wall of the sliding groove (7), and the surface of one end of the rotating column (5) inserted into the inner cavity of the fixed seat (4) is provided with a clamping groove matched with the clamping pin (8).

4. The gear hobbing machine for rack production according to claim 3, characterized in that: The tool clamp comprises a base frame (3) fixedly connected with the rotating column (5), a screw rod (13) penetrating through the inner side of the base frame (3), a clamping arm (14) slidably arranged in the base frame (3) and threadedly connected with the surface of the screw rod (13), and the clamping arm (14) is matched with the base frame (3).

5. The gear hobbing machine for rack production according to claim 4, characterized in that: The top of the base (1) is rotatably connected with a rotating disc (2), and the top of the rotating disc (2) is provided with fixed seats (4) at equal intervals, the top of each fixed seat (4) is connected with a rotating column (5), the top of the rotating column (5) is fixedly connected with a tool clamp, the bottom of the inner cavity of the fixed seat (4) is fixedly connected with a limiting bottom block (6), one end of the rotating column (5) in the inner cavity of the fixed seat (4) is rotatably connected with the limiting bottom block (6), the inner walls of the inner cavities of the two sides of the fixed seat (4) are provided with evenly distributed sliding grooves (7), the inner cavities of the sliding grooves (7) are slidably connected with clamping pins (8), one end of each clamping pin (8) is fixedly connected with a spring (9), the end of the spring (9) away from the clamping pin (8) is fixedly connected with the inner wall of the sliding groove (7), and the surface of one end of the rotating column (5) inserted into the inner cavity of the fixed seat (4) is provided with a clamping groove matched with the clamping pin (8).

6. The gear hobbing machine for rack production according to claim 5, characterized in that: The surface of the limiting bottom block (6) is provided with evenly distributed sliding grooves (10), and the inner cavities of the sliding grooves (10) are slidably connected with clamping pins (11).

7. Rack machined with a rack production gear milling machine according to any one of claims 1 to 6, characterized in that: The end of the spring (9) away from the clamping pin (8) is fixedly connected with the inner wall of the sliding groove (7), and the surface of one end of the rotating column (5) inserted into the inner cavity of the fixed seat (4) is provided with a clamping groove matched with the clamping pin (8). The tool clamp comprises a base frame (3) fixedly connected with the rotating column (5), a screw rod (13) penetrating through the inner side of the base frame (3), a clamping arm (14) slidably arranged in the base frame (3) and threadedly connected with the surface of the screw rod (13), and the clamping arm (14) is matched with the base frame (3). The bottom of the base (1) is fixedly connected with a gear ring (15), one side of the top of the base (1) is fixedly connected with a stepping motor (16), the output shaft of the stepping motor (16) extends into the inner side of the gear ring (15) and is fixedly connected with a gear (17), and the gear (17) is engaged with the gear ring (15). The base frame (3) and the clamping arm (14) are clamped with a rack, and the teeth on the top of the rack are processed by the milling cutter (21).

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