Surface grinding device for bolt machining

Abstract

The utility model relates to the technical field of bolt machining, and discloses a surface grinding device for bolt machining, which comprises a rack, an operation opening is reserved in the front surface of the rack, a supporting rod is longitudinally and fixedly mounted on the inner wall of the rack, a driving box is fixedly mounted at the center of the supporting rod, and an exchange shaft is rotatably connected to the surface of the driving box. And an exchange mechanism is arranged between the driving box and the exchange shaft. The clamping mechanisms are arranged at the two ends of the arm rod, bolt materials are cut at the position of the clamping mechanism on the back face, the bolt materials are taken, placed and installed at the position of the clamping mechanism on the front face, and after the bolt materials on the back face are machined, the exchange mechanism is arranged, and the hydraulic rod stretches out and draws back to drive the rack to move. Based on meshing of the rack and the fluted disc, the exchange shaft can be driven to rotate, the two clamping mechanisms and the bolt material are exchanged, the time occupied by loading and unloading of the bolt material is shortened, and therefore the purpose of improving the bolt grinding machining efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt processing, and more specifically to a surface grinding device for bolt processing. Background Technique

[0002] Bolt: A mechanical part, a cylindrical threaded fastener used with a nut. A type of fastener composed of two parts, a head and a screw rod (a cylinder with external threads), which needs to cooperate with a nut to be used for firmly connecting two parts with through holes. When processing a bolt, it is necessary to perform grinding and cutting on the surface of the bolt.

[0003] After retrieval, the existing patent (Publication No.: CN220178855U) discloses a carbon-carbon bolt grinding and processing device. During its use, by driving a gear to drive an internal gear ring to rotate, an arc-shaped block is pressed against a sliding rod, so that four sliding rods drive four fixing claws to clamp the carbon-carbon material to be processed placed between the fixing claws. Through the all-round fixation of the carbon-carbon material to be processed by the four fixing claws, the problem that the carbon-carbon material to be processed shifts during the processing, resulting in poor processing accuracy, is prevented, the processing accuracy is improved, and the practicability is high. However, the inventor found the following problems in the process of implementing the present utility model: In the above-mentioned grinding device, during use, although it can quickly and stably clamp the bolt material to ensure the processing accuracy, during the process of taking and placing the bolt material, it is necessary to spend extra time on the clamping operation of the bolt material, and the clamping action is time-consuming, which will reduce the overall efficiency of bolt grinding and processing.

[0004] In view of this, the present utility model proposes a surface grinding device for bolt processing to solve this problem. Content of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the present utility model provides a surface grinding device for bolt processing to solve the problems existing in the above-mentioned background technique.

[0006] The present utility model provides the following technical solution: A surface grinding device for bolt processing, including a frame. An operation opening is reserved on the front surface of the frame. A support rod is longitudinally and fixedly installed on the inner wall of the frame. A driving box is fixedly installed at the center of the support rod. A switching shaft is rotatably connected to the surface of the driving box, and a switching mechanism is provided between the driving box and the switching shaft. An arm rod is fixedly installed at the end of the switching shaft. Driving motors are fixedly installed at both ends on the right side of the arm rod. Clamping mechanisms are arranged on the surfaces of the output shafts of the two driving motors, and a conductive slip ring for supplying power to the clamping mechanism is arranged on the surface of the output shaft of the driving motor. A processing mechanism is arranged on the back of the frame corresponding to the clamping mechanism;

[0007] The swapping mechanism includes a hydraulic rod embedded in the top of the driving box. The telescopic end of the hydraulic rod extends into the interior of the driving box and is fixedly installed with a rack. A gear disk is fixedly installed on the surface of the swapping shaft, and the rack meshes with the gear disk.

[0008] Furthermore, a support ring is fixedly installed on the surface of the arm rod. A number of support guide wheels are arranged in a circumferential array on the right side of the driving box, and the support guide wheels are in tight contact with the left side of the support ring. By setting the support ring and the support guide wheels, the structural strength of the arm rod can be improved, and the stability of the arm rod during swinging can be improved.

[0009] Furthermore, the clamping mechanism includes a clamping box. A tapered hole for inserting a bolt is opened at the right end of the clamping box. Four limiting sliding grooves are opened in the inner wall of the tapered hole in a circumferential array centered on the central axis of the tapered hole. A clamping jaw is slidably connected inside the limiting sliding groove. An avoidance groove is opened on the surface of the clamping jaw corresponding to the nut on the surface of the external bolt. A hydraulic push rod is fixedly installed on the inner wall of the clamping box. The telescopic end of the hydraulic push rod is fixedly installed with a push plate, and the push plate abuts against the left end of the clamping jaw. By setting the clamping mechanism, when fixing the bolt material, the bolt material is inserted into the tapered hole inside the clamping box. The nut of the bolt is adapted to be located inside the avoidance groove. The hydraulic push rod extends to drive the push plate to move. The push plate pushes the four clamping jaws to move to the right. Under the guiding action of the limiting sliding grooves on the inner wall of the tapered hole, the four clamping jaws move synchronously to quickly clamp the bolt material at the central axis position of the tapered hole.

[0010] Furthermore, a return spring for driving the clamping jaw to move to the left end of the limiting sliding groove is arranged on the inner wall of the limiting sliding groove. By setting the return spring, when the hydraulic push rod contracts, the return spring can drive the clamping jaw to move leftward to open.

[0011] Furthermore, the processing mechanism includes a horizontal groove opened on the back of the machine frame. An installation frame is fixedly installed on the back of the machine frame. A hydraulic telescopic rod is embedded on the surface of the installation frame. The telescopic end of the hydraulic telescopic rod is fixedly installed with a telescopic plate. Two side plates are fixedly installed on the surface of the telescopic plate. A horizontal lead screw is rotatably connected between the two side plates. A servo motor for driving the horizontal lead screw to rotate is fixedly installed on the surface of one of the side plates. A tool holder is threadedly connected to the surface of the horizontal lead screw. The front of the tool holder extends into the interior of the machine frame through the horizontal groove, and a cutting tool is arranged on the front of the tool holder. By setting the processing mechanism, when the hydraulic telescopic rod extends to drive the telescopic plate to move, the cutting tool can be driven to move forward, so that the cutting tool approaches the bolt material to realize the cutting processing action. By driving the horizontal lead screw to rotate by the servo motor, the tool holder can be driven to move left and right to adjust the position of the cutting tool, and further achieve the purpose of adjusting the processing position.

[0012] Further, a first limiting slide bar is fixedly installed on the surface of the telescopic plate, and the first limiting slide bar is slidably connected to the surface of the mounting frame; by providing the first limiting slide bar, the stability of the telescopic plate during movement can be improved.

[0013] Further, a second limiting slide bar is fixedly installed between the two side plates, and the tool holder is slidably connected to the surface of the second limiting slide bar; by providing the second limiting slide bar, the movement path of the tool holder can be restricted to prevent the tool holder from flipping.

[0014] Further, a liquid storage bin is preset at the bottom end of the machine frame, cutting fluid is stored inside the liquid storage bin, a spray head is fixedly installed on the inner top wall of the machine frame, a circulation pump is embedded on the back of the machine frame, and the liquid outlet end of the circulation pump is communicated with the spray head; by driving the cutting fluid to be sprayed from the spray head onto the surface of the bolt material by the circulation pump, the purpose of cooling and lubricating the bolt material and the cutting tool during the processing can be achieved.

[0015] Further, a chip discharge port is provided on the right side of the machine frame, and a filter screen is obliquely arranged to the right corresponding to the chip discharge port on the inner wall of the machine frame; by providing the filter screen, the purpose of collecting cutting chips can be achieved, and the collected cutting chips can be cleaned from the position of the chip discharge port.

[0016] The technical effects and advantages of the present utility model are as follows:

[0017] 1. In the present utility model, by providing clamping mechanisms at both ends of the arm rod, the bolt material is cut at the position of the clamping mechanism at the back, and the bolt material is taken, placed and installed at the position of the clamping mechanism at the front. After the processing of the bolt material at the back is completed, by providing a swapping mechanism, the hydraulic rod is extended and contracted to drive the rack to move. Based on the meshing of the rack and the gear disc, the swapping shaft can be driven to rotate, and the two clamping mechanisms and the bolt material are swapped, reducing the time occupied by the loading and unloading of the bolt material, thereby achieving the purpose of improving the grinding processing efficiency of the bolt.

[0018] 2. In the present utility model, by providing a support ring and support guide wheels, the structural strength of the arm rod can be improved, and the stability of the arm rod during swinging can be improved; by providing a clamping mechanism, when the bolt material is fixed, the bolt material is inserted into the tapered hole inside the clamping box, and the nut of the bolt is adapted to be located inside the avoidance groove. The hydraulic push rod is extended to drive the push plate to move, and the push plate pushes the four jaws to move to the right. Under the guiding action of the limiting chute on the inner wall of the tapered hole, the four jaws move synchronously to quickly clamp the bolt material at the central axis position of the tapered hole; by providing a return spring, when the hydraulic push rod contracts, the return spring can drive the jaws to move leftward to open; by providing a conductive slip ring, continuous power supply to the hydraulic push rod can be achieved during the rotation of the clamping box driven by the drive motor.

[0019] 3. The utility model sets up a processing mechanism, and the extension of the hydraulic telescopic rod drives the telescopic plate to move, which can drive the cutting knife to move toward the front, so that the cutting knife is close to the bolt material, and the cutting processing action is realized. The servo motor drives the horizontal screw to rotate, which can drive the knife holder to move left and right, adjust the position of the cutting knife, and thus achieve the purpose of adjusting the processing position.

[0020] 4. The utility model drives the cutting fluid from the nozzle to the surface of the bolt material through a circulation pump, which can achieve the purpose of cooling and lubricating the bolt material and the cutting tool during the processing; and by setting a filter, the purpose of collecting the cutting debris can be achieved. The collected cutting debris can be cleaned from the chip discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a perspective one;

[0022] Figure 2 This is a schematic diagram of the cutaway structure of the frame of the utility model;

[0023] Figure 3 This is a schematic diagram of the front cross-section structure of the clamping box of the utility model;

[0024] Figure 4 This is a schematic diagram of the front cross-section structure of the drive box of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the utility model from a second perspective;

[0026] Figure 6 for Figure 5 Enlarged structural diagram at point A in the middle.

[0027] The accompanying drawings are marked as follows: 1. frame; 2. support rod; 3. drive box; 4. exchange shaft; 5. arm; 6. drive motor; 7. hydraulic rod; 8. rack; 9. gear disc; 10. support ring; 11. support guide wheel; 12. clamping box; 13. tapered hole; 14. clamping claw; 15. hydraulic push rod; 16. push plate; 17. return spring; 18. mounting frame; 19. hydraulic telescopic rod; 20. telescopic plate; 21. side plate; 22. transverse screw; 23. servo motor; 24. tool holder; 25. cutting knife; 26. first limit slide; 27. second limit slide; 28. liquid storage tank; 29. nozzle; 30. circulation pump; 31. filter; 32. conductive slip ring. DETAILED DESCRIPTION

[0028] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the present utility model. In addition, the forms of each structure described in the following embodiments are merely examples, and a surface grinding device for bolt processing involved in the present utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0029] Referring to Figures 1 to 6 , the present utility model provides a surface grinding device for bolt processing, including a frame 1. An operation opening is reserved on the front surface of the frame 1. A support rod 2 is longitudinally and fixedly installed on the inner wall of the frame 1. A driving box 3 is fixedly installed at the center of the support rod 2. A replacement shaft 4 is rotatably connected to the surface of the driving box 3, and an adjustment mechanism is provided between the driving box 3 and the replacement shaft 4. An arm rod 5 is fixedly installed at the end of the replacement shaft 4. Driving motors 6 are fixedly installed at both ends on the right side of the arm rod 5. Clamping mechanisms are provided on the surfaces of the output shafts of the two driving motors 6, and a conductive slip ring 32 for supplying power to the clamping mechanism is provided on the surface of the output shaft of the driving motor 6.

[0030] The clamping mechanism includes a clamping box 12. A tapered hole 13 for inserting a bolt is opened at the right end of the clamping box 12. Four limiting chutes are arranged in a circumferential array on the inner wall of the tapered hole 13 with the central axis of the tapered hole 13 as the central axis. A clamping jaw 14 is slidably connected inside the limiting chute. An avoidance groove is opened on the surface of the clamping jaw 14 corresponding to the nut on the surface of the external bolt. A hydraulic push rod 15 is fixedly installed on the inner wall of the clamping box 12. A push plate 16 is fixedly installed at the telescopic end of the hydraulic push rod 15. The push plate 16 abuts against the left end of the clamping jaw 14.

[0031] Furthermore, by setting the clamping mechanism, when fixing the bolt material, the bolt material is inserted into the tapered hole 13 inside the clamping box 12. The nut of the bolt is adapted to be located inside the avoidance groove. The hydraulic push rod 15 extends to drive the push plate 16 to move. The push plate 16 pushes the four clamping jaws 14 to move to the right. Under the guiding action of the limiting chutes on the inner wall of the tapered hole 13, the four clamping jaws 14 move synchronously to quickly clamp the bolt material at the central axis position of the tapered hole 13.

[0032] A return spring 17 for driving the clamping jaw 14 to move to the left end of the limiting chute is arranged on the inner wall of the limiting chute.

[0033] It should be noted that by setting the return spring 17, when the hydraulic push rod 15 contracts, the return spring 17 can drive the clamping jaw 14 to move leftward to open.

[0034] A processing mechanism is arranged on the back surface of the frame 1 corresponding to the clamping mechanism.

[0035] The processing mechanism includes a transverse groove formed on the back surface of the frame 1. An installation frame 18 is fixedly installed on the back surface of the frame 1. A hydraulic telescopic rod 19 is embedded on the surface of the installation frame 18. The telescopic end of the hydraulic telescopic rod 19 is fixedly installed with a telescopic plate 20. Two side plates 21 are fixedly installed on the surface of the telescopic plate 20. A transverse lead screw 22 is rotatably connected between the two side plates 21. A servo motor 23 for driving the transverse lead screw 22 to rotate is fixedly installed on the surface of one of the side plates 21. A tool holder 24 is threadedly connected to the surface of the transverse lead screw 22. The front surface of the tool holder 24 extends into the interior of the frame 1 through the transverse groove, and a cutting tool 25 is provided on the front surface of the tool holder 24.

[0036] Further, by setting the processing mechanism, when the hydraulic telescopic rod 19 extends to drive the telescopic plate 20 to move, it can drive the cutting tool 25 to move forward, bringing the cutting tool 25 closer to the bolt material to realize the cutting processing action. And by driving the transverse lead screw 22 to rotate through the servo motor 23, it can drive the tool holder 24 to move left and right, adjust the position of the cutting tool 25, and further achieve the purpose of adjusting the processing position.

[0037] A first limit slide bar 26 is fixedly installed on the surface of the telescopic plate 20. The first limit slide bar 26 is slidably connected to the surface of the installation frame 18.

[0038] By setting the first limit slide bar 26, the stability of the telescopic plate 20 during movement can be improved.

[0039] A second limit slide bar 27 is fixedly installed between the two side plates 21. The tool holder 24 is slidably connected to the surface of the second limit slide bar 27.

[0040] By setting the second limit slide bar 27, the movement path of the tool holder 24 can be restricted to prevent the tool holder 24 from flipping.

[0041] The swapping mechanism includes a hydraulic rod 7 embedded on the top of the driving box 3. The telescopic end of the hydraulic rod 7 extends into the interior of the driving box 3 and is fixedly installed with a rack 8. A gear disk 9 is fixedly installed on the surface of the swapping shaft 4. The rack 8 and the gear disk 9 are meshed with each other.

[0042] Further, by arranging clamping mechanisms at both ends of the arm rod 5, the bolt material is cut at the position of the clamping mechanism at the back, and the bolt material is picked up, placed and installed at the position of the clamping mechanism at the front. After the processing of the bolt material at the back is completed, by setting the swapping mechanism, the hydraulic rod 7 is telescoped to drive the rack 8 to move. Based on the meshing of the rack 8 and the gear disk 9, the swapping shaft 4 can be driven to rotate, and the two clamping mechanisms and the bolt material are swapped, reducing the time occupied by the loading and unloading of the bolt material, so as to achieve the purpose of improving the grinding processing efficiency of the bolt.

[0043] A support ring 10 is fixedly installed on the surface of the boom 5. A number of support guide wheels 11 are arranged in a circumferential array on the right side of the drive box 3, and the support guide wheels 11 are in tight contact with the left side of the support ring 10.

[0044] By providing the support ring 10 and the support guide wheels 11, the structural strength of the boom 5 can be improved, and the stability of the boom 5 during swinging can also be improved.

[0045] A liquid storage chamber 28 is preset at the bottom end of the frame 1. Cutting fluid is stored inside the liquid storage chamber 28. A spray head 29 is fixedly installed on the inner top wall of the frame 1. A circulation pump 30 is embedded on the back surface of the frame 1, and the liquid outlet end of the circulation pump 30 is communicated with the spray head 29.

[0046] Furthermore, by driving the cutting fluid to be sprayed from the spray head 29 onto the surface of the bolt material by the circulation pump 30, the purpose of cooling and lubricating the bolt material and the cutting tool 25 during the processing can be achieved.

[0047] A chip discharge port is formed on the right side of the frame 1, and a filter screen 31 is inclined to the right corresponding to the chip discharge port on the inner wall of the frame 1.

[0048] Furthermore, by providing the filter screen 31, the purpose of collecting cutting debris can be achieved, and the collected cutting debris can be cleaned from the position of the chip discharge port.

[0049] Finally, it should be noted that in the drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

Claims

1. A surface grinding device for bolt processing, comprising a frame (1), characterized in that: An operation port is reserved on the front of the frame (1); a support rod (2) is fixedly installed on the inner wall of the frame (1) in the longitudinal direction; a driving box (3) is fixedly installed at the center of the support rod (2); a switching shaft (4) is rotatably connected to the surface of the driving box (3); and a switching mechanism is provided between the driving box (3) and the switching shaft (4); an arm rod (5) is fixedly installed at the end of the switching shaft (4); driving motors (6) are fixedly installed at both ends of the right side of the arm rod (5); a clamping mechanism is provided on the surface of the output shafts of the two driving motors (6); and a conductive slip ring (32) for powering the clamping mechanism is provided on the surface of the output shafts of the driving motors (6); and a processing mechanism is provided on the back of the frame (1) corresponding to the clamping mechanism; The switching mechanism comprises a hydraulic rod (7) embedded in the top of the driving box (3), the telescopic end of the hydraulic rod (7) extends into the interior of the driving box (3) and is fixedly mounted with a rack (8), and a toothed disc (9) is fixedly mounted on the surface of the switching shaft (4), and the rack (8) and the toothed disc (9) are meshed.

2. The surface grinding device for bolt processing according to claim 1, characterized in that: A support ring (10) is fixedly mounted on the surface of the arm (5), and a plurality of support guide wheels (11) are arranged in a circular array on the right side of the drive box (3), and the support guide wheels (11) are tightly pressed against the left side of the support ring (10).

3. A surface grinding device for bolt processing according to claim 1, characterized in that: The clamping mechanism includes a clamping box (12), a tapered hole (13) for inserting a bolt is provided at the right end of the clamping box (12), and four limiting slide grooves are provided on the inner wall of the tapered hole (13) in a circular array with the center line of the tapered hole (13) as the central axis. A clamping claw (14) is slidably connected to the inner wall of the limiting slide groove, and a nut on the surface of the clamping claw (14) corresponding to the outer surface of the bolt is provided with an avoidance groove. A hydraulic push rod (15) is fixedly installed on the inner wall of the clamping box (12), and a push plate (16) is fixedly installed on the telescopic end of the hydraulic push rod (15), and the push plate (16) is tightly abutted against the left end of the clamping claw (14).

4. A surface grinding device for bolt processing according to claim 3, characterized in that: The inner wall of the limiting slide is provided with a return spring (17) for driving the clamping claw (14) to move toward the left end of the limiting slide.

5. A surface grinding device for bolt processing according to claim 1, characterized in that: The processing mechanism comprises a transverse groove provided on the back of a frame (1); a mounting frame (18) is fixedly installed on the back of the frame (1); a hydraulic telescopic rod (19) is embedded on the surface of the mounting frame (18); a telescopic plate (20) is fixedly installed on the telescopic end of the hydraulic telescopic rod (19); two side plates (21) are fixedly installed on the surface of the telescopic plate (20); a transverse screw (22) is rotatably connected between the two side plates (21); a servo motor (23) for driving the transverse screw (22) to rotate is fixedly installed on the surface of one of the side plates (21); a knife seat (24) is threadedly connected on the surface of the transverse screw (22); the front of the knife seat (24) extends to the interior of the frame (1) through the transverse groove, and a cutting knife (25) is provided on the front of the knife seat (24).

6. The surface grinding device for bolt processing according to claim 5, wherein: A first limiting slide bar (26) is fixedly mounted on the surface of the telescopic plate (20), and the first limiting slide bar (26) is slidably connected to the surface of the mounting frame (18).

7. A surface grinding device for bolt processing according to claim 5, characterized in that: A second limiting slide bar (27) is fixedly installed between the two side plates (21), and the knife seat (24) is slidably connected to the surface of the second limiting slide bar (27).

8. The surface grinding device for bolt processing according to claim 1, characterized in that: A liquid storage tank (28) is preset at the bottom end of the frame (1), and cutting fluid is stored in the liquid storage tank (28). A nozzle (29) is fixedly installed on the inner top wall of the frame (1), and a circulation pump (30) is embedded on the back of the frame (1), and the liquid outlet end of the circulation pump (30) is connected to the nozzle (29).

9. The surface grinding device for bolt processing according to claim 8, characterized in that: A chip discharge opening is provided on the right side of the frame (1), and a filter screen (31) is provided on the inner wall of the frame (1) in an inclined manner to the right corresponding to the chip discharge opening.

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