NG trolley compatible with multi-size module shaping and special positioning mechanism

Abstract

The utility model relates to the technical field of battery production, in particular to an NG trolley compatible with shaping of modules of various sizes and a special positioning mechanism. The width linear guide rail is mounted on the trolley frame body, and the length linear guide rail is mounted on the width linear guide rail, so that after a battery module is placed on the length linear guide rail during use, the pressing datum plate is pushed through the width pressing mechanism, and the pressing datum plate and the limiting plate are matched to press the module in the width direction; the pressing standard block is pushed through the length pressing mechanism, so that the pressing standard block and the length limiting block are matched to press the module in the length direction, and the distance between the length pressing mechanism and the pressing standard block can be adjusted through the length limiting bolt and the length limiting insertion hole; the distance between the pressing datum plate and the limiting plate can be adjusted through the width limiting plug pin, so that the aim of being compatible with modules of different sizes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production. Background Art

[0002] At present, in the production and manufacturing process of batteries, NG carts are often used for battery cell stacking and manual shaping. However, the shaping size of traditional NG carts is limited. It is only by installing positioning blocks on the supporting platform of the NG cart, placing the battery module on the supporting platform, and positioning the battery module through the positioning blocks. This method can only shape modules of a single size and is not compatible with modules of multiple sizes. Utility Model Content

[0003] In order to solve the technical problem that the prior art is not compatible with battery modules of various sizes, the utility model provides an NG trolley that is compatible with module shaping of various sizes and a special positioning mechanism.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is:

[0005] An NG trolley compatible with various size module shaping and special positioning mechanisms, wherein a moving wheel 51 is installed at the bottom of the trolley frame 1, a width linear guide 8 is installed parallel to the trolley frame 1, a limit plate 50 is installed at one end of the width linear guide 8 on the trolley frame 1, a rectangular bottom plate 109 is installed on the width linear guide 8 in parallel with the limit plate 50, a length linear guide 106 is installed on the bottom plate 109 in parallel with the limit plate 50, a length limit block 104, a length clamping mechanism and a clamping reference block 105 are installed on the length linear guide 106, and the length clamping mechanism and the clamping reference block 105 are installed on the length linear guide 106. Block 105 is connected, and length limiting sockets 110 are provided on the bottom plate 109 on both sides of the length linear guide rail 106, and length limiting pins 103 are provided on the length limiting block 104 and the length clamping mechanism corresponding to the length limiting sockets 110; a clamping reference plate 23 and a width clamping mechanism are installed on the width linear guide rail 8, the clamping reference plate 23 is connected to the width clamping mechanism, the clamping reference plate 23 is parallel to the limiting plate 50, and a width limiting pin 21 is installed on both sides of the width linear guide rail 8 on the width clamping mechanism, and the bottom end of the width limiting pin 21 is installed in the trolley frame 1.

[0006] An anti-rebound support 2 is installed on the lower side of the rear cross beam 4 at the bottom end of the trolley frame 1, an anti-rebound wheel 17 is installed at the bottom of the anti-rebound support 2, an anti-rebound mechanism 5 is arranged below the anti-rebound wheel 17, an anti-rebound bracket 46 of the anti-rebound mechanism 5 is installed on the ground, a swivel bracket 31 is installed on the anti-rebound bracket 46, a swivel shaft 47 is installed on the swivel bracket 31, a foot pedal 32 is installed on the swivel shaft 47, the foot pedal 32 is located on one side of the swivel shaft 47 and a slot 48 is provided corresponding to the anti-rebound wheel 17, the foot pedal 32 is located on the other side of the swivel shaft 47 and is connected to a spring 33, and the spring 33 is connected to the anti-rebound bracket 46.

[0007] The length clamping mechanism includes a length clamping seat 111, a length lead screw 107 and a length connecting block 116, the length limiting pin 103 is installed on the length clamping seat 111, the length threaded sleeve 113 is installed on the length clamping seat 111, the length lead screw 107 is installed in the length threaded sleeve 113, the end of the length lead screw 107 is connected to the length pushing sleeve 114, the end of the length pushing sleeve 114 is provided with a length limiting portion 115 on the outer edge, the length connecting block 116 is connected to the clamping reference block 105, and the length connecting block 116 is provided with two relatively bent length clamping blocks 112 on the side facing the length pushing sleeve 114. The length limiting portion 115 is engaged; the width clamping mechanism includes a width clamping seat 42, a width lead screw 22 and a width connecting block 40, the width limiting pin 21 is installed on the width clamping seat 42, the width threaded sleeve 43 is installed on the width clamping seat 42, the width lead screw 22 is installed in the width threaded sleeve 43, the end of the width lead screw 22 is connected to the width pushing sleeve 41, the end of the width pushing sleeve 41 is provided with a width limiting portion 44 on the outer edge, the width connecting block 40 is connected to the clamping reference plate 23, and the side of the width connecting block 40 facing the width pushing sleeve 41 is provided with two relatively bent width clamping blocks 45, and the width clamping block 45 is engaged with the width limiting portion 44.

[0008] A guide wheel bracket 13 is installed at the bottom of the trolley frame 1, and a guide wheel 12 is installed horizontally on the guide wheel bracket 13; two guide plates 26 are fixed in parallel on the ground, a connecting shaft 37 is connected between the two guide plates 26, the distance between the two guide plates 26 is equal to the diameter of the guide wheel 12, one end of the guide plate 26 is bent outward, and the other end of the guide plate is connected to the bracket 25, and the bracket 25 is fixed on the ground; an in-place detection device 29 is installed on the side of the bracket 25 facing the trolley frame 1, a rotating cylinder 30 is installed on the bracket 25 below the front side beam 3 at the bottom end of the trolley frame 1, the rotating cylinder 30 is connected to the rotating block 39, and a clamping block 16 is installed on the side of the rotating block 39 facing the bracket 25, and a trigger switch 11 is installed on the trolley frame 1 corresponding to the in-place detection device 29.

[0009] A striking block 14 and a striking convex block 15 are provided on the side of the trolley frame 1 facing the bracket 25 , a blocking block 27 is provided on the bracket 25 corresponding to the striking block 14 , and a blocking concave block 28 is provided on the bracket 25 corresponding to the striking convex block 15 .

[0010] A length pressure sensor 108 is provided between the length pushing sleeve 114 and the length connecting block 116 , and a width pressure sensor 24 is provided between the width pushing sleeve 41 and the width connecting block 40 .

[0011] Pad strips 102 are installed on the bottom plate 109 at both sides of the length linear guide rail 106 and parallel to the limit plate.

[0012] The bottom plate 109 is provided with a positioning pin 101 , and the bottom end of the positioning pin 101 is installed in the trolley frame 1 .

[0013] A placement tray 49 is provided at the lower part of the trolley frame 1 , in which a mold changing tool 6 is placed. A connecting plate 35 and a guide shaft 36 are connected between two reference plates 34 of the mold changing tool 6 . The connecting plates 35 and the guide shaft 36 are arranged alternately, and a support block 38 is installed above the connecting plate 35 .

[0014] A sealing plate 9 is installed on the trolley frame 1 , a width linear guide rail 8 is installed on the sealing plate 9 , and a handle 10 is installed on the trolley frame 1 .

[0015] The advantages of the utility model compared with the prior art are:

[0016] By installing a width linear guide on the trolley frame and a length linear guide on the width linear guide, when in use, after the battery module is placed on the length linear guide, the width clamping mechanism pushes the clamping reference plate so that the clamping reference plate and the limit plate cooperate to clamp the module in the width direction, and the length clamping mechanism pushes the clamping standard block so that the clamping standard block and the length limit block cooperate to clamp the module in the length direction, the distance between the length clamping mechanism and the clamping standard block can be adjusted through the length limit pin and the length limit socket, and the distance between the clamping reference plate and the limit plate can be adjusted through the width limit pin, so as to achieve the purpose of compatibility with modules of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereoscopic diagram of an NG trolley of the utility model which is compatible with various size module shaping and a special positioning mechanism.

[0018] Figure 2 It is a front view of an NG trolley of the utility model which is compatible with various size module shaping and special positioning mechanism.

[0019] Figure 3 It is a top view of an NG trolley of the utility model which is compatible with various size module shaping and a special positioning mechanism.

[0020] Figure 4 It is a three-dimensional diagram of the frame of the utility model trolley.

[0021] Figure 5 It is a stereoscopic diagram of the length clamping mechanism of the utility model.

[0022] Figure 6 It is a stereoscopic diagram of the width clamping mechanism of the utility model.

[0023] Figure 7 It is a three-dimensional diagram of the utility model changing tooling.

[0024] Figure 8 It is a stereogram of the guiding and positioning mechanism of the utility model.

[0025] Fig. 9 It is a three-dimensional diagram of the anti-rebound mechanism of the utility model.

[0026] In the figure: 1. trolley frame; 101. latch; 102. pad; 103. length limit latch; 104. length limit block; 105. clamping reference block; 106. length linear guide; 107. length lead screw; 108. length pressure sensor; 109. bottom plate; 110. length limit socket; 111. length clamping seat; 112. length clamping block; 113. length threaded sleeve; 114. length push sleeve; 115. length limit part; 116. length connecting block; 2. anti-rebound support; 21. width limit latch; 22. width lead screw; 23. clamping reference plate; 24. width pressure sensor; 25. bracket; 26. guide plate; 27. blocking block; 28. blocking concave block; 29. ​​in-place detection device; 30. rotary cylinder; 31. rotary Bracket; 32. Pedal; 33. Spring; 34. Reference plate; 35. Connecting plate; 36. Guide shaft; 37. Connecting shaft; 38. Support block; 39. Rotating block; 40. Width connecting block; 41. Width pushing sleeve; 42. Width clamping seat; 43. Width threaded sleeve; 44. Width limiting part; 45. Width locking block; 46. Anti-rebound bracket; 47. Rotating shaft; 48. Slot; 49. Placement plate; 50. Limiting plate; 51. Moving wheel; 3. Front crossbeam; 4. Rear crossbeam; 5. Anti-rebound mechanism; 6. Changing tooling; 7. Module; 8. Width linear guide; 9. Closing plate; 10. Handle; 11. Trigger switch; 12. Guide wheel; 13. Guide wheel bracket; 14. Impact block; 15. Impact bump; 16. Clamping block 17. Anti-rebound wheel. DETAILED DESCRIPTION

[0027] The utility model provides an NG trolley compatible with various size module shaping and special positioning mechanism, such as Figure 1-6As shown, a moving wheel 51 is installed at the bottom of the trolley frame 1, a handle 10 is installed on the trolley frame 1, a sealing plate 9 is installed on the trolley frame 1, and a width linear guide 8 is installed in parallel on the sealing plate 9. A limit plate 50 is installed on the trolley frame 1 at one end of the width linear guide 8, and a rectangular bottom plate 109 is installed on the width linear guide 8 in parallel with the limit plate 50. A positioning pin 101 is installed on the bottom plate 109, and the bottom end of the positioning pin 101 is installed in the trolley frame 1. The pin 101 can be used to The bottom plate 109 is positioned to prevent the bottom plate 109 from moving. The length linear guide 106 is installed on the bottom plate 109 in parallel with the limit plate 50. The pads 102 are installed on both sides of the length linear guide 106 on the bottom plate 109 and in parallel with the limit plate. The pads 102 are used to place the module 7 to improve the stability of the module placement. The length limit block 104, the length clamping mechanism and the clamping reference block 105 are installed on the length linear guide 106. The length clamping mechanism is connected to the clamping reference block 105. Next, length limiting sockets 110 are provided on the bottom plate 109 at both sides of the length linear guide 106, and length limiting pins 103 are provided on the length limiting block 104 and the length clamping mechanism corresponding to the length limiting sockets 110; the distance between the length limiting block 104 and the clamping reference block 105 can be achieved through the cooperation between the length limiting pin 103 and the length limiting socket 110, thereby realizing the clamping adjustment of the module 7 in the length direction, and the clamping reference plate 23 and the width clamping mechanism are installed on the width linear guide 8, the clamping reference plate 23 is connected to the width clamping mechanism, the clamping reference plate 23 is parallel to the limiting plate 50, and the width limiting pins 21 are installed on both sides of the width linear guide 8 on the width clamping mechanism, and the bottom end of the width limiting pin 21 is installed in the trolley frame 1, and the distance between the clamping reference plate 23 and the limiting plate 50 can be adjusted through the width limiting pin 21, thereby realizing the clamping adjustment of the module 7 in the width direction, thereby realizing the adjustment for different module sizes.

[0028] like Figure 5 As shown, the length clamping mechanism includes a length clamping seat 111, a length lead screw 107 and a length connecting block 116, the length limiting pin 103 is installed on the length clamping seat 111, the length threaded sleeve 113 is installed on the length clamping seat 111, the length lead screw 107 is installed in the length threaded sleeve 113, the end of the length lead screw 107 is connected to the length pushing sleeve 114, the end of the length pushing sleeve 114 is provided with a length limiting portion 115 on the outer edge, and the length connecting block 116 is connected to the clamping reference The length connecting block 116 is connected to the length pushing sleeve 114, and two relatively bent length engaging blocks 112 are arranged on the side of the length connecting block 116 facing the length pushing sleeve 114, and the length engaging blocks 112 are engaged with the length limiting portion 115; after the module 7 is placed on the cushion strip 102, the length lead screw 107 is rotated to enable the length lead screw 107 to push the length pushing sleeve 114, and then push the length connecting block 116, so as to realize the pressing reference block 105 and the length limiting block 104 to press the module 7 in the length direction of the module 7. Figure 6 As shown, the width clamping mechanism includes a width clamping seat 42, a width lead screw 22 and a width connecting block 40, the width limiting pin 21 is installed on the width clamping seat 42, the width clamping seat 42 is installed with a width threaded sleeve 43, the width lead screw 22 is installed in the width threaded sleeve 43, the end of the width lead screw 22 is connected to the width pushing sleeve 41, the end outer edge of the width pushing sleeve 41 is provided with a width limiting portion 44, the width connecting block 40 is connected to the clamping reference plate 23, and the side of the width connecting block 40 facing the width pushing sleeve 41 is provided with two relatively bent width clamping blocks 45, the width clamping block 45 is clamped with the width limiting portion 44, the width lead screw 22 is rotated to realize that the width lead screw 22 pushes the width pushing sleeve 41, and then pushes the width connecting block 40, so that the clamping reference plate 23 and the limiting plate 50 press the module 7 in the width direction of the module 7, realize the positioning of the module 7 in the length direction and the width direction, and avoid the module 7 from moving.

[0029] A length pressure sensor 108 is provided between the length push sleeve 114 and the length connection block 116, and a width pressure sensor 24 is provided between the width push sleeve 29 and the width connection block 40. The length pressure sensor 108 and the width pressure sensor 24 detect the size of the pressing force on the module 7 in the length direction and the width direction, and prevent the module 7 from being damaged by excessive pressure while ensuring the pressing of the module 7. A placement tray 49 is provided at the bottom of the trolley frame 1, and a mold changing tool 6 is placed in the placement tray 49, such as Figure 7 As shown, a connecting plate 35 and a guide shaft 36 are connected between the two reference plates 34 of the mold changing tooling 6, and the connecting plates 35 and the guide shafts 36 are arranged alternately. A support block 38 is installed above the connecting plate 35. When the volume of the module 7 is very small, the bottom plate 109 and the corresponding length limit block 104 and the length clamping mechanism can be disassembled and replaced with the mold changing tooling 6. After that, the new whole composed of the mold changing tooling 6 and the module 7 is clamped. The compatible range in the length direction is 300-1200mm, and the compatible range in the width is 150-450mm.

[0030] like Figure 8-9As shown, an anti-rebound support 2 is installed on the lower side of the rear cross beam 4 at the bottom end of the trolley frame 1, an anti-rebound wheel 17 is installed at the bottom of the anti-rebound support 2, an anti-rebound mechanism 5 is arranged below the anti-rebound wheel 17, an anti-rebound bracket 46 of the anti-rebound mechanism 5 is installed on the ground, a swivel bracket 31 is installed on the anti-rebound bracket 46, a swivel shaft 47 is installed on the swivel bracket 31, a foot pedal 32 is installed on the swivel shaft 47, the foot pedal 32 is located on one side of the swivel shaft 47 and a slot 48 is provided corresponding to the anti-rebound wheel 17, the foot pedal 32 is located on the other side of the swivel shaft 47 and is connected to a spring 33, and the spring 33 is connected to the anti-rebound bracket 46. A guide wheel bracket 13 is installed at the bottom of the trolley frame 1, and a guide wheel 12 is installed horizontally on the guide wheel bracket 13; two guide plates 26 are fixed on the ground in parallel, and a connecting shaft 37 is connected between the two guide plates 26. The distance between the two guide plates 26 is equal to the diameter of the guide wheel 12. One end of the guide plate 26 is bent outward, and the other end of the guide plate is connected to the bracket 25, and the bracket 25 is fixed on the ground; a detection device 29 is installed on the side of the bracket 25 facing the trolley frame 1, and a rotating cylinder 30 is installed on the bracket 25 below the front side cross beam 3 at the bottom of the trolley frame 1. The rotating cylinder 30 is connected to a rotating block 39, and a clamping block 16 is installed on the side of the rotating block 39 facing the bracket 25. A trigger switch 11 is installed on the trolley frame 1 corresponding to the detection device 29. A collision block 14 and a collision convex block 15 are provided on the side of the trolley frame 1 facing the bracket 25, and a blocking block 27 is provided on the bracket 25 corresponding to the collision block 14, and a blocking concave block 28 is provided on the bracket 25 corresponding to the collision convex block 15. During the movement of the trolley, the guide wheel 12 first enters between the guide plates 26 to guide the moving direction of the trolley. After the trolley reaches the position, the impact convex block 15 engages with the blocking concave block 28, and the impact block 14 fits with the surface of the blocking block 27 to achieve the positioning of the trolley. At the same time, the trigger switch 11 contacts the in-place detection device 29, thereby causing the rotating cylinder 30 to rotate, and the rotating block 39 drives the clamping block 16 to rotate. The clamping block 16 is stuck on the rear side of the front crossbeam 3 to prevent the trolley from rebounding due to the impact. During the movement of the trolley, the anti-rebound wheel 17 presses the foot pedal 32 downward, and the spring 33 extends. When the trolley is in place, the spring 33 contracts, and the foot pedal 32 is lifted, thereby causing the anti-rebound wheel 17 to be stuck in the card slot 48 to prevent the trolley from rebounding due to the impact. When the trolley is to be moved, the rotating cylinder 30 is reset, and the foot pedal 32 is stepped down to make the anti-rebound wheel 17 leave the card slot 48, and the trolley leaves the current position when being dragged.

[0031] The present invention is described by way of embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the guidance of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the protection scope of the present invention.

Claims

1. An NG trolley compatible with various size module shaping and special positioning mechanism, characterized in that: A moving wheel (51) is installed at the bottom of the trolley frame (1); a width linear guide rail (8) is installed on the trolley frame (1) in parallel; a limit plate (50) is installed on the trolley frame (1) at one end of the width linear guide rail (8); a rectangular bottom plate (109) is installed on the width linear guide rail (8) in parallel with the limit plate (50); a length linear guide rail (106) is installed on the bottom plate (109) in parallel with the limit plate (50); a length limit block (104), a length clamping mechanism and a clamping reference block (105) are installed on the length linear guide rail (106); the length clamping mechanism is connected to the clamping reference block (105); the bottom plate ( 109) are provided with length limiting plug holes (110) on both sides of the length linear guide rail (106), and length limiting plug holes (110) are provided on the length limiting block (104) and the length clamping mechanism corresponding to the length limiting plug holes (110); a clamping reference plate (23) and a width clamping mechanism are installed on the width linear guide rail (8), the clamping reference plate (23) is connected to the width clamping mechanism, the clamping reference plate (23) is parallel to the limiting plate (50), and a width limiting plug (21) is installed on both sides of the width linear guide rail (8) on the width clamping mechanism, and the bottom end of the width limiting plug (21) is installed in the trolley frame (1).

2. According to claim 1, the NG trolley compatible with various size module shaping and special positioning mechanism is characterized in that: An anti-rebound support (2) is installed on the lower side of the rear cross beam (4) at the bottom end of the trolley frame (1), an anti-rebound wheel (17) is installed at the bottom of the anti-rebound support (2), an anti-rebound mechanism (5) is arranged below the anti-rebound wheel (17), an anti-rebound bracket (46) of the anti-rebound mechanism (5) is installed on the ground, a swivel bracket (31) is installed on the anti-rebound bracket (46), a swivel shaft (47) is installed on the swivel bracket (31), a foot pedal (32) is installed on the swivel shaft (47), a foot pedal (32) is located on one side of the swivel shaft (47) and is provided with a slot (48) corresponding to the anti-rebound wheel (17), and the foot pedal (32) is located on the other side of the swivel shaft (47) and is connected to a spring (33), and the spring (33) is connected to the anti-rebound bracket (46).

3. According to claim 1, the NG trolley compatible with various size module shaping and special positioning mechanism is characterized in that: The length clamping mechanism comprises a length clamping seat (111), a length lead screw (107) and a length connecting block (116); a length limiting pin (103) is installed on the length clamping seat (111); a length threaded sleeve (113) is installed on the length clamping seat (111); the length lead screw (107) is installed in the length threaded sleeve (113); the end of the length lead screw (107) is connected to the length pushing sleeve (114); a length limiting portion (115) is arranged on the outer edge of the end of the length pushing sleeve (114); the length connecting block (116) is connected to the clamping reference block (105); two relatively bent length engaging blocks (112) are arranged on the side of the length connecting block (116) facing the length pushing sleeve (114); the length engaging blocks (112) and the length The width clamping mechanism comprises a width clamping seat (42), a width lead screw (22) and a width connecting block (40); the width limiting pin (21) is mounted on the width clamping seat (42); a width threaded sleeve (43) is mounted on the width clamping seat (42); the width lead screw (22) is mounted in the width threaded sleeve (43); the end of the width lead screw (22) is connected to the width pushing sleeve (41); the outer edge of the end of the width pushing sleeve (41) is provided with a width limiting portion (44); the width connecting block (40) is connected to the clamping reference plate (23); two relatively bent width clamping blocks (45) are provided on one side of the width connecting block (40) facing the width pushing sleeve (41); the width clamping block (45) is clamped with the width limiting portion (44).

4. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 2 is characterized in that: A guide wheel bracket (13) is installed at the bottom of the trolley frame (1), and a guide wheel (12) is installed horizontally on the guide wheel bracket (13); two guide plates (26) are fixed on the ground in parallel, a connecting shaft (37) is connected between the two guide plates (26), the distance between the two guide plates (26) is equal to the diameter of the guide wheel (12), one end of the guide plate (26) is bent outward, and the other end of the guide plate is connected to the bracket (25), and the bracket (25) is fixed on the ground; an in-position detection device (29) is installed on the side of the bracket (25) facing the trolley frame (1), a rotating cylinder (30) is installed on the bracket (25) below the front side cross beam (3) at the bottom end of the trolley frame (1), the rotating cylinder (30) is connected to a rotating block (39), and a clamping block (16) is installed on the side of the rotating block (39) facing the bracket (25), and a trigger switch (11) is installed on the trolley frame (1) corresponding to the in-position detection device (29).

5. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 2 is characterized in that: A collision block (14) and a collision convex block (15) are provided on the side of the trolley frame (1) facing the bracket (25); a blocking block (27) is provided on the bracket (25) corresponding to the collision block (14); and a blocking concave block (28) is provided on the bracket (25) corresponding to the collision convex block (15).

6. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 3 is characterized in that: A length pressure sensor (108) is provided between the length pushing sleeve (114) and the length connecting block (116), and a width pressure sensor (24) is provided between the width pushing sleeve (41) and the width connecting block (40).

7. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 3 is characterized in that: Pad strips (102) are installed on the bottom plate (109) on both sides of the length linear guide rail (106) in parallel with the limit plate.

8. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 1, characterized in that: A positioning pin (101) is installed on the bottom plate (109), and the bottom end of the positioning pin (101) is installed in the trolley frame (1).

9. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 1, characterized in that: A placement tray (49) is provided at the lower part of the trolley frame (1), a mold changing tool (6) is placed in the placement tray (49), a connecting plate (35) and a guide shaft (36) are connected between two reference plates (34) of the mold changing tool (6), the connecting plates (35) and the guide shaft (36) are arranged alternately, and a support block (38) is installed above the connecting plate (35).

10. The NG trolley compatible with various size module shaping and special positioning mechanism according to claim 1, characterized in that: A sealing plate (9) is installed on the trolley frame (1), a width linear guide rail (8) is installed on the sealing plate (9), and a handle (10) is installed on the trolley frame (1).

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