Thread grinding machine

Abstract

The utility model discloses a thread grinding machine which comprises a workbench, a fixing tool and a grinding mechanism. A sliding rail is arranged on the workbench, the sliding rail is fixedly arranged on the workbench, and the fixing tool is connected with the sliding rail in a sliding mode; the grinding mechanism is arranged on the working table and comprises a supporting seat, a mounting disc and grinding tools, the supporting seat is fixedly arranged on the working table, the mounting disc is rotatably arranged on the supporting seat and is provided with the multiple grinding tools in the circumferential direction, the grinding tools are connected with a power source, and the supporting seat is connected with the mounting disc through a motor. By means of the thread grinding machine, the various preset grinding tools are arranged, the thread grinding machine can be suitable for machining parts of different models, only the corresponding grinding tools need to be selected in a rotating mode during machining, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thread processing, in particular to a thread grinding machine. Background Art

[0002] The thread processing method refers to the method of processing threads on the workpiece using forming tools or grinding tools, mainly including turning, milling, tapping, threading, grinding, lapping and whirlwind cutting.

[0003] Among them, thread grinding is to use a nut-type or screw-type thread grinding tool to perform forward and reverse rotation grinding on the parts of the machined thread on the workpiece where there is a pitch error, so as to eliminate deformation and improve pitch accuracy. The grinding machine in the prior art needs to replace and install the corresponding grinding tool when processing different parts. Since the replacement of the grinding tool requires a certain amount of time for installation and calibration, it affects the production efficiency, especially when there are a small number of multi-type products, which seriously affects the overall production efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a thread grinder which can quickly switch between different grinding tools to process parts.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical solutions: a thread grinding machine, including a workbench, a fixed tool and a grinding mechanism;

[0006] The workbench is provided with a slide rail, the slide rail is fixedly arranged on the workbench, and the fixed tool is slidably connected to the slide rail;

[0007] The grinding mechanism is arranged on a workbench, and includes a support seat, a mounting plate and a grinding tool. The support seat is fixedly arranged on the workbench, the mounting plate is rotatably arranged on the support seat, and a plurality of grinding tools are circumferentially installed. The grinding tool is connected to a power source, and the support seat is connected to the mounting plate through a motor.

[0008] When machining parts, fix the parts with fixed fixtures, and start the motor to drive the mounting plate to rotate to select the corresponding grinding tool. Move the fixed fixture and parts through the slide rails to dock with the grinding tool, and then drive the grinding tool to rotate through the power source to grind the thread of the part and drive the part and fixture to move on the slide rails.

[0009] The beneficial effect of the above-mentioned thread grinder is that it can be suitable for processing parts of different models through a variety of pre-set grinding tools. During processing, it only needs to rotate and select the corresponding grinding tool, which greatly improves the processing efficiency.

[0010] Furthermore, the fixed tooling is arranged on a fixed block, and the fixed block is provided with a second slide rail slidably connected to the fixed tooling; an installation groove is opened on the workbench, and the fixed block can be placed in the installation groove, and the slide rail is docked with the second slide rail.

[0011] When processing different parts, different tooling can be replaced, and the corresponding fixed tooling can be selected, and its fixing block can be placed into the installation groove for fixing, and the slide rails can be docked with each other, and then the corresponding parts can be processed.

[0012] Furthermore, the fixing block is interference fit with the mounting groove.

[0013] The interference fit method is easy to install and firmly fixed.

[0014] Furthermore, the power source is a servo motor, which is installed on a workbench and connected to the grinding tool through a coupling.

[0015] The servo motor is fixed on the workbench, which can improve the stability of the driving tool. After replacing different tools, you can use the coupling to connect them.

[0016] Furthermore, the workbench is also provided with a second support seat, the side of the second support seat close to the mounting plate is arc-shaped and fits with the outer wall of the mounting plate, and the second support seat is provided with a socket connecting the outside and the side close to the mounting plate;

[0017] The mounting plate is provided with a plurality of through holes around the circumference, both ends of the through holes are provided on the circumferential outer wall of the mounting plate, and both ends can be connected with the insertion holes of the second support seat, and fixing pins can be inserted into the insertion holes and the through holes.

[0018] The support seat can improve the stability of the mounting plate when the grinding tool is working, so as to improve the processing accuracy. The mounting plate can be rotated on the support seat 2. After rotating to the selected grinding tool, the fixing pin is inserted from the socket. After the fixing pin passes through the socket, the through hole and another socket in turn, the position of the mounting plate and the support seat 2 can be relatively fixed, thereby further improving the stability and accuracy of the grinding tool processing.

[0019] Furthermore, the support seat 2 is arranged around the outside of the mounting plate, and the mounting plate is rotatably arranged on the inside of the mounting plate. The sockets of the support seat 2 are symmetrically provided with two groups, and are respectively located at the top and bottom of the support seat 2, and can be connected with the two through holes of the mounting plate at the same time.

[0020] The support base surrounding the outside of the mounting plate can further enhance the supporting and stabilizing effect of the mounting plate. When fixing, fixing pins are inserted from the top and bottom respectively to further enhance the fixing effect.

[0021] Further, the fixing pin is in a U shape, and both ends can be inserted into the corresponding jack and through hole simultaneously, and pin holes capable of inserting the second fixing pin are formed at the end portions.

[0022] The U-shaped fixing pin allows both ends to be inserted, improving the operation efficiency. And after the other end is fixed by the second fixing pin, the falling-off of the fixing pin can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the present invention, the drawings required for the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts do not necessarily draw according to the actual ratio.

[0024] Figure 1 The front view of a thread grinding machine provided by an embodiment of the present invention;

[0025] Figure 2 For Figure 1 the side view of the mounting plate of a thread grinding machine shown;

[0026] REFERENCE SIGNS:

[0027] 10 - workbench, 11 - slide rail, 12 - mounting groove;

[0028] 20 - fixing tooling, 21 - fixing block, 22 - second slide rail;

[0029] 30 - grinding mechanism, 31 - support base, 32 - mounting plate, 321 - motor, 322 - through hole, 33 - grinding tool, 34 - servo motor, 35 - second support base, 351 - jack, 36 - fixing pin, 361 - second fixing pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The embodiments of the technical solutions of the present invention will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0031] Please refer to Figure 1 and Figure 2 , the present invention provides a thread grinding machine, including a workbench 10, a fixing tooling 20 and a grinding mechanism 30. After the part is fixed by the fixing tooling 20, the grinding mechanism 30 selects the corresponding grinding tool 33 to perform fine grinding on the thread of the part.

[0032] Specifically, a fixed slide rail 11 is provided on the workbench 10, and the fixed tool 20 is slidably connected to the slide rail 11. The grinding mechanism 30 is arranged on the workbench 10, and includes a support seat 31, a mounting plate 32 and a grinding tool 33. The support seat 31 is fixedly arranged on the workbench 10, and the mounting plate 32 is rotatably arranged on the support seat 31. A plurality of grinding tools 33 are circumferentially installed on the plate surface close to the side of the slide rail 11. The grinding tool 33 is connected to a power source, and the support seat 31 is connected to the mounting plate 32 through a motor 321.

[0033] When machining a part, the part is fixed by the fixed tool 20, and the motor 321 is started to drive the mounting plate 32 to rotate to select the corresponding grinding tool 33 and align it with the part on the tool. The fixed tool 20 and the part are moved by the slide rail 11 to dock with the grinding tool 33, and then the grinding tool 33 is driven to rotate by the power source to grind the thread of the part and drive the part and its tool to move on the slide rail 11.

[0034] Specifically, the fixing tool 20 is arranged on the fixing block 21, and the fixing block 21 is provided with a second slide rail 22 slidably connected to the fixing tool 20. The workbench 10 is provided with a mounting groove 12, and the fixing block 21 can be placed in the mounting groove 12, and the slide rail 11 is docked with the second slide rail 22. When processing different parts, different tools can be quickly replaced, and only the corresponding fixing tool 20 needs to be selected, and its fixing block 21 is placed in the mounting groove 12 for fixing, and the slide rail 11 is docked with the second slide rail 22, and the corresponding parts can be processed.

[0035] In this embodiment, the fixing block 21 is interference fit with the mounting groove 12, and the interference fit is convenient for installation and can be firmly fixed. The fixing fixture includes a fixture such as a three-jaw chuck, a vise or a cylinder fixture, and a sliding seat is provided at the bottom to be slidably connected to the slide rail to facilitate sliding on the slide rail.

[0036] Specifically, the power source is a servo motor 34, which is mounted on the workbench 10 and connected to the lapping tool via a coupling. The servo motor 34 is fixedly mounted on the workbench 10, which can improve the stability of the lapping tool. After changing different lapping tools, the coupling can be used for connection.

[0037] Specifically, the workbench 10 is further provided with a second support seat 35, the side of the second support seat 35 close to the mounting plate 32 is arc-shaped and fits with the outer wall of the mounting plate 32, and the second support seat 35 is further provided with a plug hole 351 connecting the outside and the side close to the mounting plate 32. The mounting plate 32 is provided with a plurality of through holes 322 around the circumference, both ends of the through holes 322 are provided on the circumferential outer wall of the mounting plate 32, and both ends can be connected with the plug hole 351 of the second support seat 35, and the fixing pin 36 can be inserted into the plug hole 351 and the through hole 322.

[0038] The support base 31 can improve the stability of the mounting disc 32 during the operation of the lapping tool 33, so as to improve the machining accuracy. The mounting disc 32 rotates on the second support base 35. After rotating to the selected lapping tool 33, the fixing pin 36 is inserted through the jack 351. After the fixing pin 36 passes through the jack 351, the through hole 322 and another jack 351 in sequence, the positions of the mounting disc 32 and the second support base 35 can be relatively fixed, so as to improve the stability and accuracy of lapping tool machining.

[0039] In this embodiment, the second support base 35 is arranged around the outside of the mounting disc 32. The mounting disc 32 is rotatably arranged inside the mounting disc 32. Two groups of jacks 351 of the second support base 35 are symmetrically arranged and are respectively located at the top and bottom of the second support base 35, and can be respectively communicated with two through holes 322 of the mounting disc 32 at the same time. When fixing, the fixing pins 36 are respectively inserted through the jacks 351 at the top and bottom to further improve the relative fixing effect between the second support base 35 and the mounting disc 32.

[0040] And the fixing pin 36 is in a U shape, and both ends can be inserted into the corresponding jack 351 and through hole 322 at the same time, and pin holes capable of inserting the second fixing pin 361 are provided at both ends. The U-shaped fixing pin 36 can allow both ends to be inserted, improving the operation efficiency. And after the other end is fixed by the second fixing pin 361, the fixing pin 36 can be prevented from falling off.

[0041] The working principle of the above-mentioned thread grinding machine is as follows: when machining parts, select the corresponding fixing fixture 20, install it into the installation groove 12 of the workbench 10 through the fixing block 21, connect the slide rail 11 and the second slide rail 22, and then drive the mounting disc 32 to rotate through the motor 321, and select the corresponding lapping tool 33. After the selection is completed, connect the servo motor 34 and the lapping tool 33 through a coupling, and pass the fixing pin 36 through the jack 351 and the through hole 322 in sequence to relatively fix the mounting disc 32 and the second support base 35, and further fix them through the second fixing pin 361, then machining can be started. After the part and the lapping tool 33 are butted, the servo motor 34 drives the lapping tool 33 to rotate, machines the part, and drives the part and its fixture to move on the slide rail 11.

[0042] Using the above-mentioned thread grinding machine, it is possible to use a variety of pre-set lapping tools to be suitable for machining parts of different models. During machining, only the corresponding fixture needs to be selected and the corresponding lapping tool needs to be selected by rotation, which greatly improves the machining efficiency, and the device is stable and reliable, ensuring the machining accuracy.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A thread grinding machine, characterized in that: It includes a workbench, a fixed fixture and a grinding mechanism; A slide rail is provided on the workbench. The slide rail is fixedly arranged on the workbench, and the fixed fixture is slidably connected to the slide rail; The grinding mechanism is arranged on the workbench and includes a support seat, a mounting disc and a grinding tool. The support seat is fixedly arranged on the workbench. The mounting disc is rotatably arranged on the support seat, and a plurality of grinding tools are circumferentially mounted thereon. The grinding tool is connected to a power source, and the support seat is connected to the mounting disc through a motor.

2. A thread grinding machine according to claim 1, characterized in that: The fixed fixture is arranged on a fixed block, and a second slide rail slidably connected to the fixed fixture is provided on the fixed block; An installation groove is formed on the workbench, and the fixed block can be placed in the installation groove to dock the slide rail with the second slide rail.

3. A thread grinding machine according to claim 2, characterized in that: The fixed block is in interference fit with the installation groove.

4. A thread grinding machine according to claim 1, characterized in that: The power source is a servo motor. The servo motor is installed on the workbench and is connected to the grinding tool through a coupling.

5. A thread grinding machine according to claim 1, characterized in that: A second support seat is further provided on the workbench. One side of the second support seat close to the mounting disc is arc-shaped and fits with the outer wall of the mounting disc. A jack communicating the outside and the side close to the mounting disc is formed on the second support seat; A plurality of through holes are circumferentially formed on the mounting disc. Both ends of the through hole are formed on the circumferential outer wall of the mounting disc, and both ends can communicate with the jack of the second support seat. A fixing pin can be inserted into the jack and the through hole.

6. A thread grinding machine according to claim 5, characterized in that: The second support seat is circumferentially arranged outside the mounting disc. The mounting disc is rotatably arranged inside the second support seat. Two groups of jacks of the second support seat are symmetrically arranged and are respectively located at the top and bottom of the second support seat, and can respectively communicate with two through holes of the mounting disc at the same time.

7. A thread grinding machine according to claim 6, characterized in that: The fixing pin is in a U shape, and both ends can be simultaneously inserted into the corresponding jack and through hole, and pin holes into which a second fixing pin can be inserted are formed at the ends.

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