Cold heading machine front drive mechanism

Abstract

The utility model discloses a front-pass driving mechanism of a cold heading machine, comprising a driving assembly and a transmission member, one end of the transmission member is rotatably connected to the driving assembly, the driving assembly comprises a transmission disk, a mounting disk, a main shaft and a driving motor, the driving motor is horizontally mounted at the middle position of the side wall of the mounting disk, and the transmission disk is vertically arranged on the opposite side of the driving motor. The front-pass driving mechanism of the cold heading machine adopts a transmission member with adjustable length and a transmission disk with adjustable rotation radius, which can realize accurate adjustment of the front-pass driving spacing and adjustment of the rotation radius of the transmission part, and can adapt to more cold heading size requirements. At the same time, its transmission member adopts two groups of reduction motors to cooperate with gears and racks for spacing adjustment, and the operation is convenient and accurate. It is matched with fine-pitch gears and fine-pitch racks, which can realize more accurate spacing adjustment, and has a built-in laser distance measuring sensor, which can detect whether its spacing deviates during the working process, thereby ensuring the accuracy of cold heading.

Description

Technical Field

[0001] The utility model relates to the field of cold heading machines, in particular to a front-pass driving mechanism of a cold heading machine. Background Art

[0002] Cold heading machine is a mechanical equipment used to manufacture metal parts. It is mainly used to process metal materials through pressure and deformation in a cold state, converting the original materials into threads, protrusions or other types of parts with specific shapes and sizes. Cold heading machine is usually used to produce metal parts such as bolts, nuts, pins, pins, etc. The front drive mechanism of the cold heading machine is its important component.

[0003] The front-pass drive mechanism of the cold heading machine can drive the cold heading machine components to operate, but it still has some problems: 1) The front-pass drive mechanism is not convenient for adjusting the front-pass drive distance, and the operation is difficult; 2) After the front-pass has been working for a period of time, its displacement spacing is prone to slight changes, which affects the cold heading accuracy, and the accuracy changes cannot be understood in time, resulting in the appearance of defective products and causing waste of resources; Therefore, in view of the above situation, it is urgent to develop a front-pass drive mechanism for cold heading machine to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] The utility model aims to provide a front-through driving mechanism for a cold heading machine to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The front drive mechanism of the cold heading machine includes a drive assembly and a transmission member, one end of the transmission member is rotatably connected to the drive assembly, the drive assembly includes a drive plate, a mounting plate, a spindle and a drive motor, the drive motor is horizontally mounted in the middle of the side wall of the mounting plate, the drive plate is vertically arranged on the opposite side of the drive motor and is fixedly connected to the output shaft of the drive motor, the spindle is horizontally embedded in one side of the drive plate and is detachably connected to the drive plate;

[0007] The transmission parts include sleeve A, sleeve B, inner shaft, pitch adjustment assembly, locking piece, fisheye joint, pitch adjustment shaft and laser ranging sensor. Sleeve B is horizontally welded at one end of sleeve A, the inner shaft is embedded in the interior of sleeve A and is slidably connected to sleeve A, the pitch adjustment shaft is embedded in the interior of sleeve B and is slidably connected to sleeve B, one end of the inner shaft is welded to one end of the pitch adjustment shaft, the pitch adjustment assembly and the locking piece are vertically embedded in the top edge of sleeve A, the fisheye joint is horizontally installed at the end of sleeve B, the laser ranging sensor is horizontally embedded in the interior of sleeve A, and the end of the laser ranging sensor is horizontally aligned with the edge of one end of the inner shaft located inside sleeve A.

[0008] As a further solution of the utility model: the edge of the transmission disk is provided with a plurality of mounting holes for mounting the main shaft, and the plurality of mounting holes are equidistantly distributed. By installing the main shaft in the mounting holes at different positions, the rotation radius can be adjusted.

[0009] As a further solution of the utility model: an inner tooth groove is provided at the middle position of the top of the inner shaft, and a connecting seat is welded to one end of the inner shaft located outside the sleeve A.

[0010] As a further solution of the utility model: the pitch adjustment component includes a mounting shell, a coarse pitch gear, a reduction motor A, a fine pitch gear and a reduction motor B. The mounting shell is vertically mounted at the top edge of the sleeve A. The reduction motor A and the reduction motor B are relatively distributed on the side walls of the mounting shell and are fixedly connected to the mounting shell by screws. The coarse pitch gear is embedded in the interior of the mounting shell and is driven and connected to the output shaft of the reduction motor A. The fine pitch gear is embedded in the interior of the mounting shell and is driven and connected to the output shaft of the reduction motor B. The pitch adjustment component can drive the horizontal displacement of the pitch adjustment shaft, thereby driving the horizontal displacement of the inner shaft, and finally realizing the control of the length of the inner shaft extending out of the sleeve A.

[0011] As a further solution of the utility model: the locking member includes a shell, a hydraulic cylinder, a slide, a locking tooth block and a spring. The shell is vertically installed at the top edge position of the sleeve A, the hydraulic cylinder is vertically installed at the top middle position of the shell, the slide is horizontally embedded in the interior of the shell and movably connected to the shell, the top middle position of the slide is fixedly connected to the bottom end of the hydraulic shaft of the hydraulic cylinder, the locking tooth block is embedded in the bottom of the slide and is slidably connected to the slide, two relatively distributed springs are embedded and installed between the side of the locking tooth block and the inner wall of the slide, and the locking member can lock the inner shaft by cooperating with the inner tooth groove through the locking tooth block at the bottom.

[0012] As a further solution of the utility model: a coarse-pitch rack and a fine-pitch rack are welded to the top middle position of the spacing shaft, the coarse-pitch gear is meshed with the coarse-pitch rack, and the fine-pitch gear is meshed with the fine-pitch rack. The coarse-pitch gear drives the coarse-pitch rack to move horizontally, thereby driving the spacing shaft to adjust the spacing horizontally. The fine-pitch gear drives the fine-pitch rack to move horizontally, thereby driving the spacing shaft to adjust the spacing horizontally. The coarse-pitch gear cooperates with the coarse-pitch rack to perform approximate spacing adjustment, and the fine-pitch gear cooperates with the fine-pitch rack to perform high-precision spacing adjustment.

[0013] Beneficial effects: The front-pass drive mechanism of this cold heading machine adopts a transmission part with adjustable length and a transmission plate with adjustable rotation radius, which can realize the precise adjustment of the front-pass drive spacing and the adjustment of the rotation radius of the transmission part, and can adapt to more cold heading size requirements. At the same time, its transmission parts adopt two sets of reduction motors with gears and racks for spacing adjustment, which is convenient and precise to operate. It is equipped with fine-pitch gears and fine-pitch racks to achieve more precise spacing adjustment, and the built-in laser ranging sensor can detect whether its spacing deviates during work, thereby ensuring the accuracy of cold heading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the back structure of the utility model.

[0016] Figure 3 It is a side longitudinal sectional view of the transmission member of the utility model.

[0017] Figure 4 It is a schematic diagram of the inner shaft structure of the utility model.

[0018] Figure 5 For this utility model Figure 4 A magnified view of part A.

[0019] Figure 6 This is a schematic diagram of the locking structure of the utility model.

[0020] Figure 7 It is a side longitudinal sectional view of the locking member of the utility model.

[0021] In the figure: 1. drive assembly; 11. transmission plate; 111. mounting hole; 12. mounting plate; 13. main shaft; 14. drive motor; 2. transmission member; 21. sleeve A; 22. sleeve B; 23. inner shaft; 231. inner tooth groove; 232. connecting seat; 24. pitch adjustment assembly; 241. mounting shell; 242. coarse pitch gear; 243. reduction motor A; 244. fine pitch gear; 245. reduction motor B; 25. locking member; 251. housing; 252. hydraulic cylinder; 253. slide seat; 254. locking tooth block; 255. spring; 26. fisheye joint; 27. pitch adjustment shaft; 271. coarse pitch rack; 272. fine pitch rack; 28. laser ranging sensor. DETAILED DESCRIPTION Example

[0022] See also Figures 1 to 7In the embodiment of the utility model, the front drive mechanism of the cold heading machine includes a drive assembly 1 and a transmission member 2, one end of the transmission member 2 is rotatably connected to the drive assembly 1, the drive assembly 1 includes a drive disc 11, a mounting disc 12, a spindle 13 and a drive motor 14, the drive motor 14 is horizontally mounted in the middle of the side wall of the mounting disc 12, the drive disc 11 is vertically arranged on the opposite side of the drive motor 14, and is fixedly connected to the output shaft of the drive motor 14, the spindle 13 is horizontally embedded in one side of the drive disc 11, and is detachably connected to the drive disc 11;

[0023] The transmission member 2 includes a sleeve A21, a sleeve B22, an inner shaft 23, a distance adjustment component 24, a locking component 25, a fisheye joint 26, a distance adjustment shaft 27 and a laser distance measuring sensor 28. The sleeve B22 is horizontally welded to one end of the sleeve A21, the inner shaft 23 is embedded in the interior of the sleeve A21 and is slidably connected to the sleeve A21, the distance adjustment shaft 27 is embedded in the interior of the sleeve B22 and is slidably connected to the sleeve B22, one end of the inner shaft 23 is welded to one end of the distance adjustment shaft 27, the distance adjustment component 24 and the locking component 25 are both vertically embedded in the top edge of the sleeve A21, the fisheye joint 26 is horizontally installed at the end of the sleeve B22, the laser distance measuring sensor 28 is horizontally embedded in the interior of the sleeve A21, and the end of the laser distance measuring sensor 28 is horizontally aligned with the edge of one end of the inner shaft 23 located inside the sleeve A21.

[0024] As a further solution of the utility model: the edge of the transmission plate 11 is provided with a plurality of mounting holes 111 for mounting the main shaft 13, and the plurality of mounting holes 111 are equidistantly distributed. By installing the main shaft 13 in the mounting holes 111 at different positions, the rotation radius thereof can be adjusted.

[0025] As a further solution of the utility model: an inner tooth groove 231 is provided at the middle position of the top of the inner shaft 23, and a connecting seat 232 is welded to one end of the inner shaft 23 located outside the sleeve A21.

[0026] As a further solution of the utility model: the pitch adjustment component 24 includes a mounting shell 241, a coarse pitch gear 242, a reduction motor A243, a fine pitch gear 244 and a reduction motor B245. The mounting shell 241 is vertically mounted on the top edge of the sleeve A21. The reduction motor A243 and the reduction motor B245 are relatively distributed on the side walls of the mounting shell 241 and are fixedly connected to the mounting shell 241 by screws. The coarse pitch gear 242 is embedded in the mounting shell 241 and is driven and connected to the output shaft of the reduction motor A243. The fine pitch gear 244 is embedded in the mounting shell 241 and is driven and connected to the output shaft of the reduction motor B245. The pitch adjustment component 24 can drive the pitch adjustment shaft 27 to move horizontally, thereby driving the inner shaft 23 to move horizontally, and finally controlling the length of the inner shaft 23 extending out of the sleeve A21.

[0027] As a further solution of the utility model: the locking member 25 includes a shell 251, a hydraulic cylinder 252, a slide 253, a locking tooth block 254 and a spring 255. The shell 251 is vertically installed at the top edge position of the sleeve A21, the hydraulic cylinder 252 is vertically installed at the top middle position of the shell 251, the slide 253 is horizontally embedded in the interior of the shell 251 and is movably connected to the shell 251, the top middle position of the slide 253 is fixedly connected to the bottom end of the hydraulic shaft of the hydraulic cylinder 252, the locking tooth block 254 is embedded in the bottom of the slide 253 and is slidably connected to the slide 253, two relatively distributed springs 255 are embedded and installed between the side of the locking tooth block and the inner wall of the slide 253, and the locking member 25 can lock the inner shaft 23 through the locking tooth block 254 at the bottom cooperating with the inner tooth groove 231.

[0028] As a further solution of the utility model: a coarse-pitch rack 271 and a fine-pitch rack 272 are welded to the top middle position of the spacing adjustment shaft 27, the coarse-pitch gear 242 is meshed with the coarse-pitch rack 271, and the fine-pitch gear 244 is meshed with the fine-pitch rack 272. The coarse-pitch gear 242 drives the coarse-pitch rack 271 to move horizontally, thereby driving the spacing adjustment shaft 27 to perform horizontal spacing adjustment. The fine-pitch gear 244 drives the fine-pitch rack 272 to move horizontally, thereby driving the spacing adjustment shaft 27 to perform horizontal spacing adjustment. The coarse-pitch gear 242 cooperates with the coarse-pitch rack 271 to perform approximate spacing adjustment, and the fine-pitch gear 244 cooperates with the fine-pitch rack 272 to perform high-precision spacing adjustment.

[0029] The working principle of the utility model is as follows: before using the front-pass driving mechanism of the cold heading machine, the mounting plate 12 of the driving component 1 is first fixed on the mounting position of the cold heading machine, and then the fisheye joint 26 at one end of the transmission member 2 is connected to the main shaft 13 of the driving component 1, with a bearing installed between the two, and then the connecting seat 232 at the other end of the transmission member 2 is connected to the front-pass part of the cold heading machine. When working, the driving motor 14 drives the transmission plate 11 to rotate, and then the main shaft 13 on the side wall of the transmission plate 11 drives one end of the transmission member 2 to make a circular motion, thereby driving the other end of the transmission member 2 to reciprocate, and finally driving the front pass connected to the other end to make a horizontal reciprocating motion. When it is necessary to adjust the circular motion radius of one end of the transmission member 2, the main shaft 13 can be installed in the mounting hole 111 at different distances from the rotation center. When it is necessary to adjust the length of the transmission member 2 to adjust the movement distance of the front pass, the hydraulic cylinder 2 is first started. 52 drives the slide 253 and the locking tooth block 254 to move upward, so that the locking tooth block 254 is away from the inner tooth groove 231. At this time, the inner shaft 23 is not locked by the locking piece 25. Then the reduction motor A243 is started, which drives the coarse pitch gear 242 to rotate, and the coarse pitch gear 242 is engaged with the coarse pitch rack 271, thereby driving the adjustable pitch shaft 27 to move horizontally in the sleeve A21 and the sleeve B22, and finally driving the inner shaft 23 to move horizontally to adjust the length of the inner shaft 23 extending out of the sleeve A21. When the spacing is adjusted to an approximate spacing, the reduction motor B245 is started again, which drives the fine pitch gear 244 to rotate, and the fine pitch gear 244 is engaged with the fine pitch rack 272, thereby driving the adjustable pitch shaft 27 to move horizontally. Since the tooth pitch of the fine pitch gear 244 and the fine pitch rack 272 is denser, the accurate driving of the adjustable pitch shaft 27 can be achieved. After the adjustment is completed, the inner shaft 23 can be locked by the locking piece 25.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Cold heading machine front drive mechanism, characterized by: The invention comprises a driving assembly (1) and a transmission member (2), wherein one end of the transmission member (2) is rotationally connected to the driving assembly (1), the driving assembly (1) comprises a driving disc (11), a mounting disc (12), a main shaft (13) and a driving motor (14), the driving motor (14) being horizontally mounted at a middle position of a side wall of the mounting disc (12), the driving disc (11) being vertically arranged on the opposite side of the driving motor (14) and being fixedly connected to an output shaft of the driving motor (14), and the main shaft (13) being horizontally embedded in one side of the driving disc (11) and being detachably connected to the driving disc (11); The transmission member (2) comprises a sleeve A (21), a sleeve B (22), an inner shaft (23), a distance adjustment assembly (24), a locking member (25), a fisheye joint (26), a distance adjustment shaft (27) and a laser distance measurement sensor (28); the sleeve B (22) is horizontally welded to one end of the sleeve A (21); the inner shaft (23) is embedded in the sleeve A (21) and is slidably connected to the sleeve A (21); the distance adjustment shaft (27) is embedded in the sleeve B (22) and is slidably connected to the sleeve B (21); 2) Sliding connection, one end of the inner shaft (23) is welded to one end of the distance adjustment shaft (27), the distance adjustment assembly (24) and the locking member (25) are both vertically embedded and installed at the top edge of the sleeve A (21), the fisheye joint (26) is horizontally installed at the end of the sleeve B (22), the laser distance sensor (28) is horizontally embedded and installed inside the sleeve A (21), and the end of the laser distance sensor (28) is horizontally aligned with the edge of one end of the inner shaft (23) located inside the sleeve A (21).

2. The front-pass drive mechanism of the cold heading machine according to claim 1, characterized in that: The edge of the transmission plate (11) is provided with a plurality of mounting holes (111) for mounting the main shaft (13), and the plurality of mounting holes (111) are distributed at equal distances.

3. The front-pass drive mechanism of the cold heading machine according to claim 1, characterized in that: An inner tooth groove (231) is provided at the middle position of the top of the inner shaft (23), and a connecting seat (232) is welded to one end of the inner shaft (23) located outside the sleeve A (21).

4. The front-pass drive mechanism of the cold heading machine according to claim 1, characterized in that: The pitch adjustment assembly (24) comprises a mounting shell (241), a coarse pitch gear (242), a reduction motor A (243), a fine pitch gear (244) and a reduction motor B (245); the mounting shell (241) is vertically mounted at the top edge of the sleeve A (21); the reduction motor A (243) and the reduction motor B (245) are relatively distributed on the side wall of the mounting shell (241) and are fixedly connected to the mounting shell (241) by screws; the coarse pitch gear (242) is embedded in the mounting shell (241) and is drivingly connected to the output shaft of the reduction motor A (243); the fine pitch gear (244) is embedded in the mounting shell (241) and is drivingly connected to the output shaft of the reduction motor B (245).

5. The front-pass drive mechanism of the cold heading machine according to claim 1, characterized in that: The locking member (25) comprises a housing (251), a hydraulic cylinder (252), a slide (253), a locking tooth block (254) and a spring (255); the housing (251) is vertically mounted at the top edge of the sleeve A (21); the hydraulic cylinder (252) is vertically mounted at the top middle position of the housing (251); the slide (253) is horizontally embedded in the interior of the housing (251) and is movably connected to the housing (251); the top middle position of the slide (253) is fixedly connected to the bottom end of the hydraulic shaft of the hydraulic cylinder (252); the locking tooth block (254) is embedded in the bottom of the slide (253) and is slidably connected to the slide (253); and two relatively distributed springs (255) are embedded and installed between the side surface of the locking tooth block and the inner wall of the slide (253).

6. The front-pass drive mechanism of the cold heading machine according to claim 4, characterized in that: A coarse-pitch rack (271) and a fine-pitch rack (272) are welded at the middle position of the top of the spacing adjustment shaft (27); the coarse-pitch gear (242) meshes with the coarse-pitch rack (271), and the fine-pitch gear (244) meshes with the fine-pitch rack (272).

Images