Bushing assembling device with automatic correction function

Abstract

The utility model discloses a bushing assembling device with an automatic correction function, which belongs to the technical field of bushing assembling and comprises a mounting seat and a carrying disc component. A movable bearing assembly is mounted on the mounting seat; the movable bearing assembly comprises a moving assembly and a bearing assembly, the moving assembly is mounted at the inner top of the mounting seat, the bearing assembly is mounted at the upper end of the mounting seat, and the moving assembly is connected with the bearing assembly; a press-fitting assembly used for pressing the lining into a lining hole of a product is installed on the installation base. By means of the mode, the press-fitting device can conduct press-fitting on a plurality of products at the same time, can conduct press-fitting on linings in lining holes in the upper ends and the front ends of the products, and is high in applicability. And bad products with over-loose and over-tight bushing matching can be screened out.

Description

Technical Field

[0001] The utility model relates to the technical field of bushing assembly, in particular to an automatic correcting bushing assembly device. Background Art

[0002] Bushing assembly is the process of assembling different parts or components together to form a complete product or device. When assembling bushings for automated carriers of Bluetooth headsets and smart watches, bushings usually need to be pressed on both the upper and front ends of the product. The current common method in the industry is press-fit assembly with a riveting machine and clearance fit for bushings, and manual gluing assembly.

[0003] Chinese patent CN213225001U discloses a bushing assembly device, including a bushing, a bushing mounting tube, a base and a press-fitting assembly. A connecting plate is provided on one side of the base, and a press-fitting assembly is provided on the inner side of the connecting plate. The press-fitting assembly includes a first fixed plate and a second fixed plate. The first fixed plate is connected to the connecting plate, and a cylinder is provided at the center position of the top surface of the first fixed plate. The rod of the cylinder vertically penetrates the first fixed plate downward and is flange-connected to the second fixed plate. A guide rod is connected between the first fixed plate and the second fixed plate through a flange plate. A sleeve rod is provided on the bottom surface of the second fixed plate, and a press sleeve is provided on the outer side of one end of the sleeve rod that contacts the second fixed plate.

[0004] However, this patent can only perform single pressing, which is inefficient and cannot sort out defective products.

[0005] Based on this, the utility model designs an automatic correction bushing assembly device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an automatic correction bushing assembly device.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An automatically corrected bushing assembly device includes a mounting seat;

[0009] Also included is a carrier plate assembly;

[0010] A movable bearing assembly is installed on the mounting seat;

[0011] The mobile bearing assembly comprises a mobile assembly and a bearing assembly, wherein the mobile assembly is mounted on the inner top of the mounting seat, the bearing assembly is mounted on the upper end of the mounting seat, and the mobile assembly and the bearing assembly are connected;

[0012] The mounting seat is provided with a press-fitting assembly for pressing the bushing into the bushing hole of the product.

[0013] Furthermore, the carrier assembly includes a first carrier, a second carrier, a handle, a guide positioning plate, a first placement slot, a second placement slot and a placement slot, the first carrier has a plurality of first placement slots symmetrically arranged front and back on the upper end, the second carrier has a plurality of second placement slots symmetrically arranged front and back on the upper end, handles are fixedly connected to the front and rear sides of the upper ends of the first carrier and the second carrier, and the guide positioning plate has a plurality of groups of placement slots symmetrically arranged front and back on the upper end.

[0014] Furthermore, the moving assembly includes a motor, a pulley assembly, a fixed block, a threaded rod and a slide groove. The motor is fixedly connected to the left side of the top of the mounting seat, the output end of the motor is fixedly connected to the shaft of a pulley of the pulley assembly, the left and right sides of the top of the mounting seat are fixedly connected to fixed blocks, the inner end of the fixed block is rotatably connected to a threaded rod, the shaft of another pulley of the pulley assembly is fixedly connected to the threaded rod, a slide groove is opened in the middle of the upper end of the mounting seat, and the threaded rod is connected to the load-bearing assembly.

[0015] Furthermore, the bearing assembly includes a moving block, a guide rail assembly, a support plate, a photoelectric sensor, a limit plate and a detection plate. The guide rails of the two sets of guide rail assemblies are respectively fixedly connected to the front and rear sides of the upper end of the mounting seat, the sliders of the guide rail assemblies are fixedly connected to the support plate, the left and right sides of the upper end of the support plate are fixedly connected to the limit plates, the threaded rod is threadedly connected with a moving block, the moving block is slidably connected to the slide groove, the upper end of the moving block is fixedly connected to the support plate, the left and right sides of the upper end of the mounting seat are fixedly connected to the photoelectric sensors, and the detection plate is fixedly connected to the left side of the rear end of the support plate.

[0016] Furthermore, the limiting plate is embedded in the recesses on the left and right sides of the rear end of the first carrier plate or the second carrier plate, and the detection plate is in contact and connected with the first carrier plate or the second carrier plate.

[0017] Furthermore, the pressing assembly includes guide rods, a mounting plate, an electric cylinder, a pressure plate, a connecting plate, a pressure head and a pressure sensor. The four guide rods are fixedly connected to the middle of the upper end of the mounting seat, the upper ends of the guide rods are fixedly connected to the mounting plate, the upper end of the mounting plate is fixedly connected to the electric cylinder, the pressure plate is slidingly connected to the guide rods around, the output end of the electric cylinder is fixedly connected to the pressure sensor, the lower end of the pressure sensor is fixedly connected to the pressure plate, the middle of the lower end of the pressure plate is fixedly connected to a connecting plate, and the front and rear sides of the lower end of the connecting plate are fixedly connected to pressure heads.

[0018] Furthermore, the pressure head is composed of a first cylinder located on the upper side and a second cylinder located on the lower side. The first cylinder is fixedly connected to the lower end of the connecting plate, and the lower end of the first cylinder is fixedly connected to the second cylinder. The diameter of the second cylinder is smaller than that of the first cylinder.

[0019] Furthermore, the diameter of the first cylinder is larger than the diameter of the upper end of the bushing, and the diameter of the second cylinder is smaller than the diameter of the circular hole at the upper end of the bushing.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] When the utility model is used, the product and the bushing are placed on the carrier assembly, and then the carrier assembly is placed on the bearing assembly of the mobile bearing assembly. The mobile assembly drives the bearing assembly to move to the left. After the bearing assembly detects that the carrier assembly has moved to the specified position, the press-fitting assembly moves downward to press the bushing into the bushing hole of the product to complete the assembly. The press-fitting assembly can also detect whether the bushing is pressed down to the right position. When it is not pressed down to the set distance and exceeds the set pressure value, the press-fitting assembly alarms to remind the staff that a defective product exists 5, and reminds the staff to take out the defective product;

[0022] When the bushing needs to be pressed into the bushing hole at the upper end of the product, the second carrier is placed on the press-fitting assembly by the handle, and then multiple products are arranged horizontally and placed in the second placement groove, and then the guide positioning plate is placed on the upper end of the product, and the placement groove is aligned with the bushing hole at the upper end of the product. After placement, the guide positioning plate and the product are fixed by pins to prevent the guide positioning plate from shifting when moving, and then the bushing is placed in the placement groove to complete the installation;

[0023] When the bushing needs to be pressed into the bushing hole at the front end of the product, the first carrier is placed on the press-fitting assembly through the handle, and then multiple products are arranged vertically in the first placement groove, and then the guide positioning plate is placed on the upper end of the product, and the placement groove is aligned with the bushing hole on the product during placement. After placement, the guide positioning plate and the product are fixed by pins, and then the bushing is placed in the placement groove to complete the installation. The placement groove can ensure that the bushing is coaxial with the bushing hole of the product and can keep the bushing upright without tilting, so that multiple products can be loaded at one time;

[0024] The utility model can press-fit multiple products at the same time, which is dozens of times more efficient than a single manual press-fit by a riveting machine, and can press-fit bushings into bushing holes at the upper and front ends of products, with high applicability;

[0025] The utility model sets the minimum pressure and the maximum pressure alarm through the pressure sensor, can screen out defective products with bushings that are too loose or too tight, and can correct the bushings thereunder through the pressure head. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1A three-dimensional automatic correction bushing assembly device of the utility model Figure 1 ;

[0028] Figure 2 It is a front view of an automatic correction bushing assembly device of the utility model;

[0029] Figure 3 A three-dimensional automatic correction bushing assembly device of the utility model Figure 2 ;

[0030] Figure 4 A three-dimensional automatic correction bushing assembly device of the utility model Figure 3 ;

[0031] Figure 5 A three-dimensional automatic correction bushing assembly device of the utility model Figure 4 ;

[0032] Figure 6 A three-dimensional diagram of a vertically placed carrier plate assembly of an automatic correction bushing assembly device product of the utility model;

[0033] Figure 7 It is a three-dimensional diagram of a horizontally placed carrier plate assembly of an automatic correction bushing assembly device product of the utility model;

[0034] Figure 8 The utility model is an automatic correction bushing assembly device product and a bushing installation schematic diagram.

[0035] The numbers in the figure represent:

[0036] 1. Mounting seat; 2. Mobile bearing assembly; 21. Mobile assembly; 211. Motor; 212. Pulley assembly; 213. Fixed block; 214. Threaded rod; 215. Slide; 22. Bearing assembly; 221. Mobile block; 222. Guide rail assembly; 223. Support plate; 224. Photoelectric sensor; 225. Limit plate; 226. Detection plate; 3. Press-fit assembly; 31. Guide rod; 32. Mounting plate; 33. Electric cylinder; 34. Press plate; 35. Connecting plate; 36. Press head; 37. Pressure sensor; 4. Carrier assembly; 41. First carrier; 42. Second carrier; 43. Handle; 44. Guide positioning plate; 45. First placement slot; 46. Second placement slot; 47. Placement slot; 5. Product; 6. Bushing. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0039] Embodiment 1

[0040] In some embodiments, please refer to the attached instructions. Figure 1-8 , an automatic correcting bushing assembly device, comprising a mounting seat 1;

[0041] Also includes a carrier plate assembly 4;

[0042] A movable bearing assembly 2 is mounted on the mounting seat 1;

[0043] The mobile bearing assembly 2 includes a mobile assembly 21 and a bearing assembly 22. The mobile assembly 21 is installed on the inner top of the mounting seat 1, and the bearing assembly 22 is installed on the upper end of the mounting seat 1. The mobile assembly 21 and the bearing assembly 22 are connected.

[0044] The mounting seat 1 is provided with a press-fitting assembly 3 for pressing the bushing 6 into the bushing hole of the product 5 .

[0045] When in use, the product 5 and the bushing 6 are placed on the carrier assembly 4, and then the carrier assembly 4 is placed on the bearing assembly 22 of the mobile bearing assembly 2. The mobile assembly 21 drives the bearing assembly 22 to move to the left. After the bearing assembly 22 detects that the carrier assembly 4 has moved to the specified position, the press-fitting assembly 3 moves downward to press the bushing 6 into the bushing hole of the product 5 to complete the assembly. The press-fitting assembly 3 can also detect whether the bushing 6 is pressed down to the right position. When it is not pressed down to the set distance and exceeds the set pressure value, the press-fitting assembly 3 alarms to remind the staff that a defective product 5 exists, and reminds the staff to take out the defective product 5.

[0046] The tray assembly 4 includes a first tray 41, a second tray 42, a handle 43, a guide positioning plate 44, a first placement groove 45, a second placement groove 46 and a placement groove 47. The first tray 41 has a plurality of first placement grooves 45 symmetrically arranged front and back on the upper end, the second tray 42 has a plurality of second placement grooves 46 symmetrically arranged front and back on the upper end, the handle 43 is fixedly connected to the front and rear sides of the upper ends of the first tray 41 and the second tray 42, and the guide positioning plate 44 has a plurality of groups of placement grooves 47 symmetrically arranged front and back on the upper end.

[0047] When the product 5 is arranged horizontally and placed in the second placement groove 46 , the distance between the front and rear bushing holes is equal to the distance between the front and rear bushing holes when the product 5 is arranged vertically and placed in the first placement groove 45 .

[0048] When the bushing 6 needs to be pressed into the bushing hole at the upper end of the product 5, the second carrier 42 is placed on the press-fitting assembly 3 through the handle 43, and then a plurality of products 5 are arranged horizontally and placed in the second placement groove 46, and then the guide positioning plate 44 is placed on the upper end of the product 5, and the placement groove 47 is aligned with the bushing hole at the upper end of the product 5 during placement. After placement, the guide positioning plate 44 and the product 5 are fixed by pins to prevent the guide positioning plate 44 from shifting during movement, and then the bushing 6 is placed in the placement groove 47 to complete the installation;

[0049] When the bushing 6 needs to be pressed into the bushing hole at the front end of the product 5, the first carrier 41 is placed on the press-fitting assembly 3 through the handle 43, and then multiple products 5 are arranged vertically in the first placement groove 45, and then the guide positioning plate 44 is placed on the upper end of the product 5, and the placement groove 47 is aligned with the bushing hole on the product 5 during placement. After placement, the guide positioning plate 44 and the product 5 are fixed by pins, and then the bushing 6 is placed in the placement groove 47 to complete the installation. The placement groove 47 can ensure that the bushing 6 is coaxial with the bushing hole of the product 5 and can keep the bushing 6 upright without tilting, so that multiple products can be loaded at one time;

[0050] The moving assembly 21 includes a motor 211, a pulley assembly 212, a fixed block 213, a threaded rod 214 and a slide groove 215. The motor 211 is fixedly connected to the left side of the top of the mounting seat 1. The output end of the motor 211 is fixedly connected to the shaft of a pulley of the pulley assembly 212. The left and right sides of the top of the mounting seat 1 are fixedly connected with fixed blocks 213. The inner end of the fixed block 213 is rotatably connected with a threaded rod 214. The shaft of another pulley of the pulley assembly 212 is fixedly connected to the threaded rod 214. A slide groove 215 is opened in the middle of the upper end of the mounting seat 1, and the threaded rod 214 is connected to the bearing assembly 22.

[0051] The bearing assembly 22 includes a moving block 221, a guide rail assembly 222, a support plate 223, a photoelectric sensor 224, a limit plate 225 and a detection plate 226. The guide rails of the two sets of guide rail assemblies 222 are respectively fixedly connected to the front and rear sides of the upper end of the mounting seat 1, the sliders of the guide rail assembly 222 are fixedly connected to the support plate 223, the upper left and right sides of the support plate 223 are fixedly connected to the limit plate 225, the threaded rod 214 is threadedly connected with the moving block 221, the moving block 221 is slidably connected with the slide groove 215, the upper end of the moving block 221 is fixedly connected to the support plate 223, the left and right sides of the upper end of the mounting seat 1 are fixedly connected with the photoelectric sensor 224, and the detection plate 226 is fixedly connected to the left side of the rear end of the support plate 223.

[0052] During installation, the limiting plate 225 is embedded in the recesses on the left and right sides of the rear end of the first carrier plate 41 or the second carrier plate 42 , and the detection plate 226 is in contact and connected with the first carrier plate 41 or the second carrier plate 42 .

[0053] After installation, the motor 211 drives the threaded rod 214 to rotate under the action of the pulley assembly 212, and the threaded rod 214 drives the moving block 221 to slide to the left along the slide groove 215, and the moving block 221 drives the support plate 223 to move to the left under the guidance of the guide rail assembly 222, and the support plate 223 drives the limiting plate 225 and the detection plate 226 to move to the left, and the first carrier plate 41 or the second carrier plate 42 moves to the left under the limiting action of the support plate 223 and the limiting plate 225. When the photoelectric sensor 224 on the right detects the detection plate 226, the press-fitting assembly 3 moves downward, and the support plate 223 continues to move to the left. When the press-fitting assembly 3 moves to the press-fitting position, The leftmost product 5 moves to the right below the crimping end of the press-fitting assembly 3, and the press-fitting assembly 3 continues to move downward to press the bushing 6 into the bushing hole on the product 5. After completion, the press-fitting assembly 3 moves upward to reset, and the support plate 223 moves to the left to move the next product 5 to the right below the crimping end of the press-fitting assembly 3. The press-fitting assembly 3 moves downward to press the bushing 6 into the bushing hole on the product 5, and the above operation is repeated until the photoelectric sensor 224 on the left detects the limit plate 225. Multiple products can be press-fitted at the same time. Compared with a single manual press-in using a riveting machine, the efficiency is increased by dozens of times, and the bushing 6 can be press-fitted to the bushing holes at the upper and front ends of the product 5, which has high applicability.

[0054] The press-fitting assembly 3 includes a guide rod 31, a mounting plate 32, an electric cylinder 33, a pressing plate 34, a connecting plate 35, a pressing head 36 and a pressure sensor 37. The four guide rods 31 are all fixedly connected to the middle of the upper end of the mounting seat 1. The upper ends of the guide rods 31 are fixedly connected to the mounting plate 32. The upper end of the mounting plate 32 is fixedly connected to the electric cylinder 33. The pressing plate 34 is slidably connected to the guide rods 31 at all four sides. The output end of the electric cylinder 33 is fixedly connected to the pressure sensor 37. The lower end of the pressure sensor 37 is fixedly connected to the pressing plate 34. The middle of the lower end of the pressing plate 34 is fixedly connected to the connecting plate 35. The front and rear sides of the lower end of the connecting plate 35 are fixedly connected to the pressing head 36.

[0055] The pressure head 36 is composed of a first cylinder located on the upper side and a second cylinder located on the lower side. The first cylinder is fixedly connected to the lower end of the connecting plate 35. The lower end of the first cylinder is fixedly connected to the second cylinder. The diameter of the second cylinder is smaller than that of the first cylinder.

[0056] The diameter of the first cylinder is larger than the diameter of the upper end of the bushing 6 , and the diameter of the second cylinder is smaller than the diameter of the circular hole at the upper end of the bushing 6 .

[0057] When the photoelectric sensor 224 on the right detects the detection plate 226, the electric cylinder 33 drives the pressure sensor 37 to move downward, and the pressure sensor 37 drives the pressure plate 34 to move downward under the guidance of the guide rod 31, and the pressure plate 34 drives the connecting plate 35 and the pressure head 36 to move downward. At the same time, the support plate 223 continues to move to the left. When the pressure head 36 moves to the pressing position, the leftmost product 5 moves to the bottom of the pressure head 36. The pressure head 36 continues to move downward so that the second cylinder at its lower end is inserted into the circular hole on the bushing 6, and the bushing 6 is guided. Then the lower end of the first cylinder presses the bushing 6 and steadily presses the bushing 6 into the bushing hole of the product 5, and the product 5 is lowered. Low scrap rate. After completion, the electric cylinder 33 drives the pressure sensor 37 to move upward, and the pressure sensor 37 drives the pressure plate 34 to move upward under the guidance of the guide rod 31. The pressure plate 34 drives the connecting plate 35 and the pressure head 36 to move upward and reset. The support plate 223 moves to the left to move the next product 5 to the bottom of the pressure head 36. Repeat the above operation until the photoelectric sensor 224 on the left detects the limit plate 225. During die-casting, the minimum pressure and maximum pressure alarms are set by the pressure sensor 37. The defective products 5 with too loose and too tight bushing 6 can be screened out, and the bushing 6 below it can be corrected by the pressure head 36.

[0058] 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 the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic correcting bushing assembly device, comprising a mounting seat (1), characterized in that: Also includes a carrier plate assembly (4); A movable bearing assembly (2) is mounted on the mounting seat (1); The movable bearing assembly (2) comprises a movable assembly (21) and a bearing assembly (22), wherein the movable assembly (21) is mounted on the inner top of the mounting seat (1), and the bearing assembly (22) is mounted on the upper end of the mounting seat (1), and the movable assembly (21) and the bearing assembly (22) are connected; The mounting seat (1) is provided with a press-fitting assembly (3) for pressing the bushing (6) into the bushing hole of the product (5).

2. The automatic correcting bushing assembly device according to claim 1, characterized in that: The tray assembly (4) comprises a first tray (41), a second tray (42), a handle (43), a guide positioning plate (44), a first placement groove (45), a second placement groove (46) and a placement groove (47); the first tray (41) has a plurality of first placement grooves (45) symmetrically arranged front and back on the upper end; the second tray (42) has a plurality of second placement grooves (46) symmetrically arranged front and back on the upper end; the handle (43) is fixedly connected to the front and rear sides of the upper ends of the first tray (41) and the second tray (42); and the guide positioning plate (44) has a plurality of groups of placement grooves (47) symmetrically arranged front and back on the upper end.

3. The automatic correcting bushing assembly device according to claim 2, characterized in that: The moving assembly (21) comprises a motor (211), a pulley assembly (212), a fixed block (213), a threaded rod (214) and a slide groove (215); the motor (211) is fixedly connected to the left side of the top of the mounting seat (1); the output end of the motor (211) is fixedly connected to the shaft of a pulley of the pulley assembly (212); the left and right sides of the top of the mounting seat (1) are fixedly connected with the fixed blocks (213); the inner end of the fixed block (213) is rotatably connected with the threaded rod (214); the shaft of another pulley of the pulley assembly (212) is fixedly connected to the threaded rod (214); a slide groove (215) is provided in the middle of the upper end of the mounting seat (1); and the threaded rod (214) is connected to the bearing assembly (22).

4. The automatic correcting bushing assembly device according to claim 3, characterized in that: The bearing assembly (22) comprises a moving block (221), a guide rail assembly (222), a support plate (223), a photoelectric sensor (224), a limit plate (225) and a detection plate (226); the guide rails of the two sets of guide rail assemblies (222) are respectively fixedly connected to the front and rear sides of the upper end of the mounting seat (1); the sliders of the guide rail assemblies (222) are fixedly connected to the support plate (223); the upper left and right sides of the support plate (223) are fixedly connected to the limit plate (225); the threaded rod (214) is threadedly connected with the moving block (221); the moving block (221) and the slide groove (215) are slidably connected in contact; the upper end of the moving block (221) is fixedly connected to the support plate (223); the upper left and right sides of the upper end of the mounting seat (1) are fixedly connected to the photoelectric sensor (224); and the detection plate (226) is fixedly connected to the left side of the rear end of the support plate (223).

5. The automatic correcting bushing assembly device according to claim 4, characterized in that: The limiting plate (225) is embedded in the recessed areas on the left and right sides of the rear end of the first carrier plate (41) or the second carrier plate (42), and the detection plate (226) is in contact and connection with the first carrier plate (41) or the second carrier plate (42).

6. The automatic correcting bushing assembly device according to claim 5, characterized in that: The press-fitting assembly (3) comprises a guide rod (31), a mounting plate (32), an electric cylinder (33), a pressing plate (34), a connecting plate (35), a pressing head (36) and a pressure sensor (37). The four guide rods (31) are all fixedly connected to the middle of the upper end of the mounting seat (1). The upper ends of the guide rods (31) are all fixedly connected to the mounting plate (32). The upper end of the mounting plate (32) is fixedly connected to the electric cylinder (33). The pressing plate (34) is slidably connected to the guide rods (31) at the four sides. The output end of the electric cylinder (33) is fixedly connected to the pressure sensor (37). The lower end of the pressure sensor (37) is fixedly connected to the pressing plate (34). The middle of the lower end of the pressing plate (34) is fixedly connected to the connecting plate (35). The front and rear sides of the lower end of the connecting plate (35) are fixedly connected to the pressing head (36).

7. The automatic correcting bushing assembly device according to claim 6, characterized in that: The pressure head (36) is composed of a first cylinder located on the upper side and a second cylinder located on the lower side. The first cylinder is fixedly connected to the lower end of the connecting plate (35). The lower end of the first cylinder is fixedly connected to the second cylinder. The diameter of the second cylinder is smaller than that of the first cylinder.

8. The self-correcting bushing assembly device according to claim 7, characterized in that: The diameter of the first cylinder is larger than the diameter of the upper end of the bushing (6), and the diameter of the second cylinder is smaller than the diameter of the circular hole at the upper end of the bushing (6).

Images