CN213053955U - Hard alloy wire conical thread grinding machine - Google Patents

Abstract

The utility model discloses a carbide silk awl thread grinder belongs to metalwork processing equipment field, the power distribution box comprises a box body, box right side front end outer wall fixed mounting has switch A, switch A downside fixed mounting has switch B, switch B downside fixed mounting has switch C, box left side front end rotates installs the apron, the equal fixed mounting in both ends has fixed plate A about the box lower extreme inside wall, the inboard outer wall fixed mounting of fixed plate A has motor A, motor A outer end runs through fixed plate A and rotates and be connected with screw rod A, screw rod A outer wall rotates and has cup jointed swivel nut A, swivel nut A outer wall left and right sides fixed mounting has spacing ring A. Through setting up rotating-structure and embedded fixed knot structure, improved the practicality of thread grinder.

Description

Hard alloy wire conical thread grinding machine

Technical Field

The utility model relates to a metalwork production facility technical field especially relates to a carbide wire awl thread grinder.

Background

Thread grinders are used primarily in production and tool shops in the machine manufacturing industry, most often in workshops in which thread machining tools and thread gauges are produced in tool and gauge factories.

Patent CN201610777853.5 discloses a numerical control screw tap thread grinding machine, which aims at the problem that the screw tap thread grinding machines in the current domestic and foreign tool industry generally have workpiece moving screw pitches, and realizes relief grinding movement through radial high-speed reciprocating movement of a grinding wheel. The relief grinding motion of the screw tap thread grinding machine is a key place influencing the precision, the efficiency, the stability and the quality of the surface of a processed screw tap thread of the machine tool, the machine tool vibrates due to the high-frequency back-and-forth motion, the quality of a workpiece to be ground is reduced, the thread clearance value of a processed workpiece is unstable, the standard requirement cannot be met, the work piece completes the production mode of high-speed relief grinding motion through the moving pitch of the grinding wheel, compared with the traditional screw tap production mode in which the work piece moves and the grinding wheel completes the high-speed relief grinding motion, the weight of the work piece mechanism is only about 1/4 of the weight of the grinding wheel mechanism, the vibration of the machine tool can be effectively reduced, the grinding wheel runs stably and accurately at high speed, the precision of the quality of the workpiece, particularly the thread clearance value of the workpiece is.

Some defects of the grinding machine are as follows: 1. the grinding machine is insecure in clamping workpieces of different sizes, so that the workpieces are not loosened in the machining process, machining errors are caused, and the practicability of the grinding machine is reduced. 2. The grinding machine is not convenient for machining according to the type of the required grinding wheel, the grinding wheel is quickly replaced, the grinding wheel is replaced complexly, and the machining efficiency of the grinding machine is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hard alloy tap thread grinding machine, which aims to adopt a rotating structure, when alloy taps with different sizes are required to be processed, a switch A is pressed to control a motor A to operate through a controller to drive a screw A to rotate, the screw A is cut with threads through the outer wall to be meshed with the threads cut on the inner wall of a screw sleeve A, the screw sleeve A rotates on the outer wall of the screw A to move outwards, the screw sleeve A moves outwards to drive the rotating sleeve A to move outwards, the rotating sleeve A drives a fixed column A to move outwards in a limiting groove A, the fixed column A moves outwards to drive a fixed frame fixedly connected with the upper end to move outwards, the fixed frame A moves outwards to drive a clamp plate made of frosted sand fixedly arranged on the inner end to move outwards, the processed alloy tap is placed between clamp plates on two sides, the motor A is controlled to operate reversely to drive the screw A to rotate so that the clamp plates move inwards simultaneously to firmly clamp the alloy tap, the practicability of the grinding machine is improved.

Through an embedded fixing structure and a rotating structure, when different types of thread grinding processing is required, a bolt is manually rotated outwards, the bolt is meshed with threads cut on the inner walls of a thread groove A and a thread groove B through threads cut on the outer wall, the bolt is enabled to rotate outwards on the inner walls of the thread groove A and the thread groove B, the bolt is taken out, a fixing plate C is manually pulled downwards to drive an inserting rod fixedly connected with the upper end to be pulled out from an electric socket in a slot, different types of grinding wheels can be replaced according to requirements, the inserting rod is aligned with the electric socket in the slot to be upwards inserted after replacement, the thread groove A is aligned with the thread groove B, the bolt is enabled to rotate inwards to enter the thread groove A and the thread groove B to complete fixation, a pressing switch C controls the motor C to operate through a controller to drive the grinding wheel to rotate, meanwhile, the pressing switch B controls the motor B to operate through the controller to drive the screw rod B to rotate, and the outer wall is meshed with the threads cut on the, the screw sleeve B is enabled to rotate and move downwards on the outer wall of the screw rod B, the screw sleeve B moves downwards to drive the rotating sleeve B to move downwards, the transverse plate is driven to move downwards in the limiting groove B, the transverse plate moves downwards to drive the sliding sleeve of the right side fixed mounting to vertically and stably slide downwards on the outer wall of the sliding rod, so that the transverse plate is driven to vertically and stably move downwards, the grinding wheel is driven to polish the metal screw tap downwards, and the processing efficiency is improved.

The utility model provides a specific technical scheme as follows:

the utility model provides a hard alloy wire conical thread grinding machine, which comprises a box body, wherein the outer wall of the front end of the right side of the box body is fixedly provided with a switch A, the lower side of the switch A is fixedly provided with a switch B, the lower side of the switch B is fixedly provided with a switch C, the front end of the left side of the box body is rotatably provided with a cover plate, the left and right ends of the inner wall of the lower end of the box body are fixedly provided with a fixed plate A, the outer wall of the inner side of the fixed plate A is fixedly provided with a motor A, the outer end of the motor A penetrates through the fixed plate A to be rotatably connected with a screw rod A, the outer wall of the screw rod A is rotatably sleeved with a screw sleeve A, the left and right sides of the outer wall of the screw sleeve A are fixedly provided with a spacing ring A, the outer wall of the center screw sleeve, the upper end of the fixed column A is fixedly connected with a fixed frame, the inner side wall of the fixed frame is fixedly provided with a clamping plate, the inner wall of the upper end of the left side and the right side of the box body is fixedly provided with a fixed plate B, the outer wall of the left side and the right side of the fixed plate B is fixedly provided with a motor B, the upper end of the motor B penetrates through the inside of the fixed plate B and is rotatably connected with a screw rod B, the outer wall of the screw rod B is rotatably sleeved with a screw sleeve B, the upper side and the lower side of the outer wall of the screw sleeve B are fixedly provided with a limiting ring B, the outer wall of the central screw sleeve B of the limiting ring B is movably sleeved with a rotating sleeve B, the inside of the right side of the fixed plate B is fixedly provided with a sliding rod, the outer wall of the sliding rod is movably sleeved, the grinding wheel is characterized in that an inserting rod is inserted into the inserting groove, thread grooves A are fixedly arranged on the left side and the right side of the inserting rod, thread grooves B are fixedly arranged on the left side and the right side of the fixing column B, bolts are arranged in the thread grooves A and the thread grooves B in a rotating mode, a fixing plate C is fixedly arranged at the lower end of the inserting rod, a motor C is fixedly arranged at the left end of the fixing plate C, and a grinding wheel is rotatably arranged at the right end of the motor C in a penetrating.

Optionally, the outer wall of the screw rod a is fixedly cut with threads, and the inner wall of the screw sleeve a is fixedly cut with threads matched with the threads of the outer wall of the screw rod a, so as to form a rotating structure.

Optionally, a slot matched with the inserted link is fixedly installed inside the fixed column B to form an embedded fixing structure.

Optionally, the outer wall of the bolt is cut with threads meshed with the threads on the inner walls of the thread groove a and the thread groove B to form a rotating structure.

Optionally, the switch a, the switch B and the switch C input are electrically connected with an external power supply through wires, the switch a output is electrically connected with the motor a input through wires, the switch B output is electrically connected with the motor B input through wires, and the switch C output is electrically connected with the motor C input through wires.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a carbide tap screw thread grinder, through rotating the structure, when needing to process the alloy tap of different sizes, press switch A and pass through controller control motor A operation and drive screw rod A and rotate, screw rod A has the screw thread through the outer wall to cut and has the screw thread intermeshing with screw sleeve A inner wall, make screw sleeve A rotate outside the outer wall of screw rod A, screw sleeve A moves outside and drives rotating sleeve A and move outside, rotating sleeve A drives fixed column A and moves outside in spacing groove A, fixed column A moves outside and drives the mount of upper end fixed connection to move outside, mount A moves outside and drives the splint outwards that the dull polish of inner end fixed mounting made, put the alloy tap who is processed between the splint of both sides, control motor A runs reversely and drives screw rod A to rotate so that splint move inwards simultaneously and firmly clip the alloy tap, the practicability of the grinding machine is improved.

2. Through an embedded fixing structure and a rotating structure, when different types of thread grinding processing is required, a bolt is manually rotated outwards, the bolt is meshed with threads cut on the inner walls of a thread groove A and a thread groove B through threads cut on the outer wall, the bolt is enabled to rotate outwards on the inner walls of the thread groove A and the thread groove B, the bolt is taken out, a fixing plate C is manually pulled downwards to drive an inserting rod fixedly connected with the upper end to be pulled out from an electric socket in a slot, different types of grinding wheels can be replaced according to requirements, the inserting rod is aligned with the electric socket in the slot to be upwards inserted after replacement, the thread groove A is aligned with the thread groove B, the bolt is enabled to rotate inwards to enter the thread groove A and the thread groove B to complete fixation, a pressing switch C controls the motor C to operate through a controller to drive the grinding wheel to rotate, meanwhile, the pressing switch B controls the motor B to operate through the controller to drive the screw rod B to rotate, and the outer wall is meshed with the threads cut on the, the screw sleeve B is enabled to rotate and move downwards on the outer wall of the screw rod B, the screw sleeve B moves downwards to drive the rotating sleeve B to move downwards, the transverse plate is driven to move downwards in the limiting groove B, the transverse plate moves downwards to drive the sliding sleeve of the right side fixed mounting to vertically and stably slide downwards on the outer wall of the sliding rod, so that the transverse plate is driven to vertically and stably move downwards, the grinding wheel is driven to polish the metal screw tap downwards, and the processing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view cross-sectional structure diagram of a hard alloy wire conical thread grinder according to an embodiment of the present invention;

fig. 2 is a schematic view of a partially enlarged structure a in fig. 1 of a taper thread grinder for cemented carbide wires according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partial enlarged structure B in fig. 1 of a hard alloy wire taper thread grinder according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a local enlarged structure C in fig. 1 of a hard alloy wire taper thread grinder according to an embodiment of the present invention.

In the figure: 1. a box body; 2. a switch A; 3. a switch B; 4. a switch C; 5. a cover plate; 6. fixing a plate A; 7. a motor A; 8. a screw A; 9. a threaded sleeve A; 10. a limiting ring A; 11. rotating the sleeve A; 12. a limiting groove A; 13. fixing a column A; 14. a fixed mount; 15. a splint; 16. a fixing plate B; 17. a motor B; 18. a screw B; 19. a threaded sleeve B; 20. a limiting ring B; 21. rotating the sleeve B; 22. a slide bar; 23. a sliding sleeve; 24. a limiting groove B; 25. a transverse plate; 26. a motor C; 27. fixing a column B; 28. a slot; 29. inserting a rod; 30. a thread groove A; 31. a thread groove B; 32. a bolt; 33. a fixing plate C; 34. and (7) grinding wheels.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A hard alloy wire taper thread grinding machine according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, 2, 3 and 4, a hard alloy tap thread grinder provided in an embodiment of the present invention includes a case 1, a switch a2 is fixedly installed on an outer wall of a right front end of the case 1, a switch B3 is fixedly installed on a lower side of the switch a2, a switch C4 is fixedly installed on a lower side of the switch B3, a cover plate 5 is rotatably installed on a left front end of the case 1, fixing plates A6 are fixedly installed on left and right sides of an inner side wall of a lower end of the case 1, a motor A7 is fixedly installed on an inner side outer wall of the fixing plate A6, an outer end of the motor A7 is rotatably connected with a screw a8 through the fixing plate A6, a threaded sleeve a9 is rotatably sleeved on an outer wall of the screw a8, a position-limiting ring a10 is fixedly installed on left and right sides of an outer wall of a9, a rotating sleeve a11 is movably sleeved on an outer wall of a center of the fixing plate a10, a12 is fixedly installed with a, the upper end of a fixed column A13 is fixedly connected with a fixed frame 14, the inner end side wall of the fixed frame 14 is fixedly provided with a clamping plate 15, the upper end inner walls of the left side and the right side of a box body 1 are fixedly provided with a fixed plate B16, the outer wall of the left side lower end of the fixed plate B16 is fixedly provided with a motor B17, the upper end of a motor B17 penetrates through the inner part of a fixed plate B16 and is rotatably connected with a screw B18, the outer wall of the screw B18 is rotatably sleeved with a screw sleeve B19, the upper side and the lower side of the outer wall of the screw sleeve B19 are fixedly provided with a limit ring B20, the outer wall of a center screw sleeve B19 of the limit ring B20 is movably sleeved with a rotating sleeve B21, the inner part of the right side of the fixed plate B16 is fixedly provided with a sliding rod 22, the outer wall of the sliding rod 22 is movably sleeved with a sliding sleeve 23, the inner end side wall of the fixed, the left side and the right side of the inserted link 29 are fixedly provided with screw grooves A30, the inside of the left side and the right side of the fixed column B27 is fixedly provided with screw grooves B31, bolts 32 are arranged inside the screw grooves A30 and the screw grooves B31 in a rotating mode, the lower end of the inserted link 29 is fixedly provided with a fixed plate C33, the left end of the fixed plate C33 is fixedly provided with a motor C26, and the right end of the motor C26 penetrates through the fixed plate C33 to be rotatably provided with.

Referring to fig. 1 and 2, when alloy taps of different sizes need to be processed, the screw A8 is fixedly cut on the outer wall thereof with threads, the screw A9 is fixedly cut on the inner wall thereof with threads matched with the threads on the outer wall of the screw A8, so as to form a rotating structure, when alloy taps of different sizes need to be processed, the switch a2 is pressed to control the motor A7 to rotate through the controller to drive the screw A8 to rotate, the screw A8 is meshed with the screw on the inner wall of the screw A9 through the threads cut on the outer wall thereof, so that the screw A9 rotates on the outer wall of the screw A8 to move outwards, the screw A9 moves outwards to drive the rotating sleeve a11 to move outwards, the rotating sleeve a11 drives the fixing column a13 to move outwards in the limiting groove a12, the fixing column a13 moves outwards to drive the fixing frame 14 fixedly connected with the upper end to move outwards, the fixing frame a14 moves outwards to drive the clamping plate 15 made of frosted structure fixedly installed on the inner end to move outwards, the alloy tap to be processed is placed between the clamping plates on two sides, and the clamping Firmly clamping, and improving the practicability of the grinding machine.

Referring to fig. 1, 3 and 4, the fixing column B27 is internally and fixedly provided with a slot 28 which is matched with the insert rod 29 to form an embedded fixing structure, when different types of thread grinding processing are required, the bolt 32 is manually rotated outwards, the bolt 32 is meshed with threads cut on the inner walls of the slot a30 and the slot B31 through threads cut on the outer wall, the bolt 32 is rotated outwards on the inner walls of the slot a30 and the slot B31 to be taken out, the fixing plate C33 is manually pulled downwards to drive the insert rod 29 fixedly connected with the upper end to be pulled out from the electric socket in the slot 28, so that different types of grinding wheels 34 can be replaced according to requirements, after replacement, the insert rod 29 is aligned with the electric socket in the slot 28 and inserted upwards to enable the slot a30 to be aligned with the slot B31, the bolt 32 is rotated inwards to enter the slot a30 and the slot B31 to complete the fixing, the pressing switch C4 controls the motor C26 to drive the grinding wheel 34 to rotate, meanwhile, a switch B3 is pressed to control a motor B17 to operate through a controller to drive a screw B18 to rotate, threads cut on the outer wall of the switch B3 are meshed with threads cut on the inner wall of a screw sleeve B19, the screw sleeve B19 rotates on the outer wall of a screw B18 to move downwards, the screw sleeve B19 moves downwards to drive a rotating sleeve B21 to move downwards, meanwhile, a transverse plate 25 is driven to move downwards in a limiting groove B24, the transverse plate 25 moves downwards to drive a sliding sleeve 23 fixedly installed on the right side to vertically and stably slide downwards on the outer wall of a sliding rod 22, the transverse plate 25 is driven to vertically and stably move downwards, a grinding wheel 34 is driven to downwards grind the metal tap, and the processing efficiency is improved.

Referring to fig. 1 and 4, the outer wall of the bolt 32 is cut with threads engaged with the threads on the inner walls of the groove a30 and the groove B31 to form a rotary structure, when different kinds of thread grinding processing are required, the bolt 32 is manually rotated outwards, the bolt 32 is engaged with the threads cut on the inner walls of the groove a30 and the groove B31 through the threads cut on the outer wall, the bolt 32 is rotated outwards on the inner walls of the groove a30 and the groove B31 to take out the bolt 32, the fixing plate C33 is manually pulled downwards to pull the insertion rod 29 with the upper end fixedly connected from the electrical socket in the groove 28, so as to replace different kinds of grinding wheels 34 as required, after replacement, the insertion rod 29 is aligned with the electrical socket in the groove 28 and inserted upwards to align the groove a30 with the groove B31, the bolt 32 is rotated inwards to enter the groove a30 and the groove B31 to complete the fixing, the switch C4 is operated by the controller to drive the grinding wheel 34 to rotate, meanwhile, a switch B3 is pressed to control a motor B17 to operate through a controller to drive a screw B18 to rotate, threads cut on the outer wall of the switch B3 are meshed with threads cut on the inner wall of a screw sleeve B19, the screw sleeve B19 rotates on the outer wall of a screw B18 to move downwards, the screw sleeve B19 moves downwards to drive a rotating sleeve B21 to move downwards, meanwhile, a transverse plate 25 is driven to move downwards in a limiting groove B24, the transverse plate 25 moves downwards to drive a sliding sleeve 23 fixedly installed on the right side to vertically and stably slide downwards on the outer wall of a sliding rod 22, the transverse plate 25 is driven to vertically and stably move downwards, a grinding wheel 34 is driven to downwards grind the metal tap, and the processing efficiency is improved.

Referring to fig. 1, the input terminals of the switch a2, the switch B3 and the switch C4 are electrically connected with an external power source through conducting wires, the output terminal of the switch a2 is electrically connected with the input terminal of the motor a7 through conducting wires, the output terminal of the switch B3 is electrically connected with the input terminal of the motor B17 through conducting wires, and the output terminal of the switch C4 is electrically connected with the input terminal of the motor C26 through conducting wires.

The switch A2, the switch B3, the switch C4, the motor A7, the motor B17 and the motor C26 are products in the prior art, the models of the motor A7, the motor B17 and the motor C26 are HD2401-24, the manufacturer is Anchuan, the models of the switch A2, the switch B3 and the switch C4 are LA38-11DN, the manufacturer is Mixi, and the descriptions are omitted.

The embodiment of the utility model provides a carbide screw thread grinder, when needing to process the alloy screw tap of not unidimensional, press switch A2 and pass through controller control motor A7 operation and drive screw A8 and rotate, screw A8 has screw through the outer wall and has screw with screw sleeve A9 inner wall and cut screw thread intermeshing, make screw sleeve A9 rotate outside side shift in screw A8 outer wall rotation, screw sleeve A9 moves outside and drives rotating sleeve A11 outside side shift, rotating sleeve A11 drives fixed column A13 outside in spacing groove A12, fixed column A13 moves outside and drives upper end fixed connection's mount 14 outside shift, mount A14 moves outside and drives splint 15 that the dull polish of inner end fixed mounting made moves outside, put the alloy screw tap who is processed between splint 15 of both sides, control motor A7 reverse operation drives screw A8 to rotate so that splint 15 moves inside simultaneously and cliies the alloy screw tap firmly, when different types of threads are needed to be ground, the bolt 32 is manually rotated outwards, the bolt 32 is meshed with threads cut on the inner walls of the thread groove A30 and the thread groove B31 through threads cut on the outer walls, the bolt 32 is enabled to rotate outwards on the inner walls of the thread groove A30 and the thread groove B31, the bolt 32 is taken out, the fixing plate C33 is manually pulled downwards to drive the inserting rod 29 fixedly connected with the upper end to be pulled out from the electric connection socket in the slot 28, different types of grinding wheels 34 can be replaced according to needs, after replacement, the inserting rod 29 is aligned with the electric connection socket in the slot 28 to be upwards inserted, the thread groove A30 is aligned with the thread groove B31, the bolt 32 is used to rotate inwards to enter the thread groove A30 and the thread groove B31 to complete fixation, the pressing switch C4 controls the motor C26 to operate to drive the grinding wheel 34 to rotate through the controller, meanwhile, the pressing switch B3 controls the motor B17 to operate to drive the screw B18 to rotate through the controller, the threads cut on the outer walls of the bolt B19 to, the threaded sleeve B19 is enabled to rotate and move downwards on the outer wall of the screw B18, the threaded sleeve B19 moves downwards to drive the rotating sleeve B21 to move downwards, meanwhile, the transverse plate 25 is driven to move downwards in the limiting groove B24, the transverse plate 25 moves downwards to drive the sliding sleeve 23 fixedly installed on the right side to vertically and stably slide downwards on the outer wall of the sliding rod 22, and therefore the transverse plate 25 is driven to vertically and stably move downwards to drive the grinding wheel 34 to polish the metal tap downwards.

It should be noted that, the utility model relates to a carbide silk awl thread grinder, including switch A2, switch B3, switch C4, motor A7, motor B17 and motor C26, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all can all learn through the technical manual or learn through conventional experimental method for this technical staff.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a carbide silk awl thread grinder, its characterized in that, the thread grinder includes box (1), box (1) right side front end outer wall fixed mounting has switch A (2), switch A (2) downside fixed mounting has switch B (3), switch B (3) downside fixed mounting has switch C (4), box (1) left side front end rotates installs apron (5), box (1) lower extreme inside wall left and right sides both fixed mounting have fixed plate A (6), fixed plate A (6) inboard outer wall fixed mounting has motor A (7), motor A (7) outer end runs through fixed plate A (6) and rotates and is connected with screw rod A (8), screw rod A (8) outer wall rotates and has cup jointed swivel nut A (9), swivel nut A (9) outer wall left and right sides fixed mounting has spacing ring A (10), the outer wall of a central threaded sleeve A (9) of the limiting ring A (10) is movably sleeved with a rotating sleeve A (11), the side wall of the upper end of the fixing plate A (6) is fixedly provided with a limiting groove A (12), the upper end of the rotating sleeve A (11) penetrates through the limiting groove A (12) and is fixedly provided with a fixing column A (13), the upper end of the fixing column A (13) is fixedly connected with a fixing frame (14), the side wall of the inner end of the fixing frame (14) is fixedly provided with a clamping plate (15), the inner wall of the upper end of the left side and the right side of the box body (1) is fixedly provided with a fixing plate B (16), the outer wall of the lower end of the left side of the fixing plate B (16) is fixedly provided with a motor B (17), the upper end of the motor B (17) penetrates through the inside of the fixing plate B (16) and is rotatably connected with a screw rod B (18), the outer wall of a central screw sleeve B (19) of the limiting ring B (20) is movably sleeved with a rotating sleeve B (21), a sliding rod (22) is fixedly mounted inside the right side of the fixing plate B (16), a sliding sleeve (23) is movably sleeved on the outer wall of the sliding rod (22), a limiting groove B (24) is fixedly mounted on the inner end side wall of the fixing plate B (16), a transverse plate (25) is fixedly mounted at the inner ends of the sliding sleeve (23) and the rotating sleeve B (21) in a penetrating mode through the limiting groove B (24), a fixing column B (27) is fixedly mounted at the lower end of the transverse plate (25), a slot (28) is fixedly mounted inside the lower end of the fixing column B (27), an inserting rod (29) is inserted into the slot (28), screw grooves A (30) are fixedly mounted on the left side and the right side of the inserting rod (29), screw grooves B (31) are fixedly mounted inside the left side and the right side of the fixing column B (, inserted bar (29) lower extreme fixed mounting has fixed plate C (33), fixed plate C (33) left end fixed mounting has motor C (26), motor C (26) right-hand member runs through fixed plate C (33) and rotates and installs emery wheel (34).

2. The hard alloy wire conical thread grinder according to claim 1, wherein the outer wall of the screw A (8) is fixedly cut with threads, and the inner wall of the screw sleeve A (9) is fixedly cut with threads matched with the threads on the outer wall of the screw A (8) to form a rotating structure.

3. The hard alloy wire taper thread grinder according to claim 1, wherein the fixing column B (27) is internally and fixedly provided with a slot (28) matched with the inserted rod (29) to form an embedded fixing structure.

4. The carbide tap thread grinder according to claim 1, wherein the outer wall of the bolt (32) is cut with threads that are engaged with the threads on the inner walls of the thread groove A (30) and the thread groove B (31) to form a rotating structure.

5. The carbide tap thread grinder according to claim 1, wherein the input terminals of the switch a (2), the switch B (3) and the switch C (4) are electrically connected to an external power source through wires, the output terminal of the switch a (2) is electrically connected to the input terminal of the motor a (7) through wires, the output terminal of the switch B (3) is electrically connected to the input terminal of the motor B (17) through wires, and the output terminal of the switch C (4) is electrically connected to the input terminal of the motor C (26) through wires.

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