Jig of production line coding machine

Abstract

The utility model provides a jig of a production line coding machine. The jig comprises a bottom box base and a top box base arranged above the bottom box base. The device further comprises two positioning columns, the number of the positioning columns is two, the two positioning columns are installed at the top of the bottom box base and the bottom of the top box base respectively, and the two positioning columns are symmetrically arranged; the pedal plate is arranged on one side of the bottom box seat, and the pedal plate is connected with a distance adjusting mechanism used for adjusting the distance between the two positioning columns; and the pressing mechanism is arranged on the positioning column, and the pressing mechanism is connected with a driving mechanism. The pedal plate is operated through the feet, driving is provided for the distance adjusting mechanism, the two positioning columns are made to be far away from or close to each other, the two hands are liberated, the frame is grabbed through the two hands, operation of the frame with one hand is avoided, meanwhile, the jig can be operated only through foot treading, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coding machine, especially relates to a jig of production line coding machine. BACKGROUND

[0002] In the production line of two-wheeled electric vehicles, the frame needs to be engraved and coded by a coding machine. During coding, the frame is fixed by a jig.

[0003] The traditional jig generally adopts a clamping and fixing mode, which moves and clamps a clamping plate through a threaded drive. In this mode, the frame needs to be fixed manually, and during clamping, the frame needs to be held by one hand, and the jig needs to be operated by the other hand, which causes inconvenience in overall fixing operation. SUMMARY

[0004] The utility model discloses a jig of production line coding machine to solve the technical problem of inconvenient frame fixing operation.

[0005] The utility model discloses a jig of production line coding machine to solve the technical problem of inconvenient frame fixing operation.

[0006] The utility model provides a jig of production line coding machine, including bottom box seat and top box seat setting in bottom box seat top, still include: positioning column, the number of positioning column is two, two positioning column installs to bottom box seat top and top box seat bottom respectively, and two positioning columns are symmetrically set up, footboard, footboard setting in one side of bottom box seat, and footboard is connected with the distance adjusting mechanism for adjusting the distance between two positioning columns, pressing mechanism, pressing mechanism sets up in positioning column, and pressing mechanism is connected with drive mechanism.

[0007] In the technical scheme, the footboard is operated by the foot, the distance adjusting mechanism is driven, the two positioning columns are away from or close to each other, the hands are freed, the frame is gripped by the hands, one-hand frame operation is avoided, and the jig operation can be completed only by treading with the foot, so that the operation is convenient.

[0008] Preferably, it further includes a side shell, the upper side wall and the lower side wall of the side shell are fixedly connected with the side wall of the top box seat and the side wall of the bottom box seat respectively, and reinforcing plates are fixedly installed at the connection between the side shell and the top box seat and the connection between the side shell and the bottom box seat.

[0009] In the technical scheme, the side shell is used for connecting the top box seat and the bottom box seat, and the connections are reinforced by the reinforcing plates.

[0010] Preferably, the positioning column includes a column body and a matching end head fixedly installed at the end of the column body, the top of the bottom box seat and the bottom of the top box seat are provided with through grooves, and the column body is connected with the through grooves in a clearance fit.

[0011] In the technical solution, the column and the through groove slide to make the positioning column vertically move, and the distance between the two positioning columns is adjusted; and the matching end is used to insert into the two ends of the frame main pipe to position the frame, the thickness of the column is greater than that of the matching end, and the end face of the column is used to press the two end faces of the frame main pipe.

[0012] Preferably, the distance adjusting mechanism comprises a first connecting frame, a second connecting frame and a third connecting frame; the left side and the right side of the bottom box seat are respectively provided with a second vertical slot and a first vertical slot, the first connecting frame, the second connecting frame and the third connecting frame are arranged in the bottom box seat, the first connecting frame passes through the first vertical slot and extends out of the bottom box seat, one end of the first connecting frame outside the bottom box seat is fixedly connected with the foot pedal, the second vertical slot penetrates the side wall of the side shell, the third connecting frame passes through the second vertical slot and extends into the side shell, the first connecting frame is fixedly connected with the second connecting frame, a transmission part is arranged between the second connecting frame and the third connecting frame, the third connecting frame is fixedly connected with the bottom end of the vertical rod arranged in the side shell, the top end of the vertical rod is fixedly connected with a fourth connecting frame, the left side wall of the top box seat is provided with a third vertical slot, the third vertical slot penetrates the side wall of the side shell, the fourth connecting frame penetrates the third vertical slot and extends into the top box seat, the first connecting frame is fixedly connected with one end of the column in the bottom box seat, and the fourth connecting frame is fixedly connected with one end of the column in the top box seat; the electromagnet is fixedly installed on the inner side wall of the bottom box seat.

[0013] In the technical solution, the distance adjusting mechanism is used to adjust the distance between the two positioning columns.

[0014] Preferably, a plurality of first guide holes are formed in the first connecting frame, the first guide holes are gap-connected with first guide columns, the first guide columns are fixedly installed in the bottom box seat, a first spring is arranged between the top inner wall of the bottom box seat and the first connecting frame, one end of the first spring is fixedly connected with the top inner wall of the bottom box seat, and the other end of the first spring is fixedly connected with the first connecting frame.

[0015] In the technical solution, the first guide holes and the first guide columns provide positioning and guidance for the first connecting frame, and the first spring is used for elastic installation of the first connecting frame.

[0016] Preferably, a plurality of second guide holes are formed in the third connecting frame, the second guide holes are gap-connected with second guide columns, the second guide columns are fixedly installed in the bottom box seat, a second spring is arranged below the third connecting frame, one end of the second spring is fixedly connected with the bottom inner wall of the bottom box seat, and the other end of the second spring is fixedly connected with the third connecting frame.

[0017] In the technical solution, the second guide holes and the second guide columns provide positioning and guidance for the third connecting frame, and the second spring is used for elastic installation of the first connecting frame.

[0018] Preferably, the transmission part comprises a first rack, a second rack and a gear, the first rack and the second rack are respectively meshed to the two sides of the gear, the middle part of the gear is fixedly connected with a first rotating shaft, and the first rotating shaft is rotatably installed in the bottom box seat, the first rack is fixedly connected with the second connecting frame, and the second rack is fixedly connected with the third connecting frame.

[0019] In the technical scheme, the transmission part is used for transmission, so that the first connecting frame and the third connecting frame move in opposite directions.

[0020] Preferably, the pressing mechanism comprises a fixed sleeve, a movable rod, an end frame and a pressing roller, a partition plate is fixedly installed in the middle part of the fixed sleeve, the fixed sleeve is divided into two matching cavities by the partition plate, the number of the movable rods is two, and the two movable rods are gap-fitted and connected with the two matching cavities, one end of the movable rod is fixedly connected with the end frame, the end frame is rotatably installed with the pressing roller, the movable rod is provided with a groove in the length direction, the groove is provided with a third spring, one end of the third spring is fixedly connected with the partition plate, and the other end of the third spring is fixedly connected with the end frame.

[0021] In the technical scheme, the pressing mechanism is used for pressing the inner walls of the two ends of the straight pipe of the vehicle frame, and provides pressing limiting.

[0022] Preferably, the number of the telescopic rods is two, the telescopic rod comprises a rotating sleeve, a prism and a second rotating shaft, the rotating sleeve is rotatably installed at the axis of the positioning column, one end of the rotating sleeve is fixedly connected with the middle part of the fixed sleeve of the pressing mechanism, the prism is gap-fitted and connected with the inside of the rotating sleeve, one end of the prism is fixedly connected with the second rotating shaft, the second rotating shaft is rotatably connected with a frame body, and the frame bodies of the two telescopic rods are fixedly installed in the bottom box seat and the top box seat respectively.

[0023] In the technical scheme, the telescopic rod is telescopic, is used for moving the positioning column, guarantees that the positioning column moves to different heights, and the pressing mechanism on the positioning column is always connected with the driving mechanism through the telescopic rod.

[0024] Preferably, the second rotating shaft is connected with a driving mechanism, the number of the driving mechanisms is two, and the two driving mechanisms are installed on the bottom surface of the bottom box seat and the top surface of the top box seat respectively, and the driving mechanism comprises a fixed shell and a motor, the motor is fixedly installed on the outer wall of the fixed shell, a worm, a worm wheel and an inner shaft are arranged in the fixed shell, the worm and the inner shaft are rotatably installed in the fixed shell, the worm wheel is sleeved on the inner shaft, the worm wheel is meshed and connected with the worm, one end of the worm is fixedly connected with the output shaft end of the motor, and one end of the inner shaft is fixedly connected with the second rotating shaft.

[0025] In the technical scheme, the driving mechanism provides driving for the pressing mechanism.

[0026] On the basis of common sense in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, each preferred example of the utility model.

[0027] The positive progress effect of the utility model is that:

[0028] The jig of the production line coding machine provided above, through the setting of the distance adjusting mechanism, the foot pedal and the two positioning columns, in the process of fixing the frame, the foot pedals are stepped by the feet, the driving of the distance adjusting mechanism is provided, the distance adjusting mechanism makes the two positioning columns away from each other, a sufficient distance is generated, the frame is placed between the two positioning columns by the artificial hand, the foot pedal is loosened by the foot, the distance adjusting mechanism automatically makes the two positioning columns close to each other, and the frame is positioned. In the whole positioning process, the operation of the jig does not need manual operation, the operation is carried out through the feet, and the hands can hold the frame, the overall operation is convenient, and the problem that the single hand holding the frame is unstable and the single hand bears too heavy weight is avoided. Further, the pressing mechanism is arranged, after the frame is positioned, the pressing mechanism provides pressing for the positioning position, and the clamping effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a three-dimensional structure schematic diagram of the whole utility model.

[0030] Figure 2 It is a structure schematic diagram of the utility model in the fixed state of the electric frame.

[0031] Figure 3 It is a structure schematic diagram of the inside of the bottom box seat.

[0032] Figure 4 It is a structure schematic diagram of the inside of the top box seat.

[0033] Figure 5 It is a structure schematic diagram of the pressing mechanism and the positioning column of the utility model.

[0034] Figure 6 It is a sectional structure schematic diagram of the pressing mechanism of the utility model.

[0035] Figure 7 It is a structure schematic diagram of the driving mechanism of the utility model.

[0036] BRIEF DESCRIPTION OF DRAWINGS

[0037] 1, bottom box seat; 101, first vertical groove; 102, second vertical groove;

[0038] 2, top box seat; 201, third vertical groove;

[0039] 3, side shell;

[0040] 4, reinforcing plate;

[0041] 5, positioning column; 501, column body; 502, matching end head;

[0042] 6, driving mechanism; 601, fixed shell; 602, motor; 603, worm gear; 604, worm; 605, inner shaft;

[0043] 7, foot pedal;

[0044] 8, distance adjusting mechanism; 801, first connecting frame; 802, first guide column; 803, first spring; 804, second connecting frame; 805, first rack; 806, second rack; 807, first rotating shaft; 808, gear; 809, second guide column; 810, second spring; 811, third connecting frame; 812, vertical rod; 813, fourth connecting frame;

[0045] 9, pressing mechanism; 901, fixed sleeve; 902, movable rod; 903, end frame; 904, pressing roller; 905, third spring;

[0046] 10, telescopic rod; 1001, rotating sleeve; 1002, prism; 1003, second rotating shaft; 1004, frame body;

[0047] 11, electromagnet;

[0048] 12, electric vehicle frame. DETAILED DESCRIPTION

[0049] The utility model will be further explained by the way of embodiment below, but will not limit the utility model in the embodiment range of the embodiment.

[0050] As Figures 1-7 shown, a jig of a production line coding machine, comprising a bottom box seat 1 and a top box seat 2 arranged above the bottom box seat 1;Still comprising: positioning column 5, the number of positioning column 5 is two, two positioning column 5 is respectively installed to the top of bottom box seat 1 and the bottom of top box seat 2, and two positioning column 5 is symmetrically arranged;Foot pedal 7, the foot pedal 7 is arranged in one side of bottom box seat 1, and the foot pedal 7 is connected with the distance adjusting mechanism 8 for adjusting the distance between two positioning column 5;Pressing mechanism 9, the pressing mechanism 9 is arranged on the positioning column 5, and the pressing mechanism 9 is connected with the driving mechanism 6.

[0051] Still comprising side shell 3, the upper side wall and the lower side wall of side shell 3 are fixedly connected with the side wall of top box seat 2 and the side wall of bottom box seat 1 respectively, and the connecting place of side shell 3 and top box seat 2 and the connecting place of side shell 3 and bottom box seat 1 are both fixedly installed with reinforcing plate 4.

[0052] As Figures 5-6As shown, as a specific technical solution, the positioning column 5 comprises a column body 501 and a matching end head 502 fixedly installed at the end of the column body 501, and the top of the bottom box seat 1 and the bottom of the top box seat 2 are both provided with a through slot, and the column body 501 is connected in clearance fit with the through slot.

[0053] As shown, the end face of the column body 501 and the end face of the matching end head 502 are both elliptical, and the main pipe of the frame is adapted with the matching end head 502, and the matching end head 502 is inserted into the end of the main pipe of the frame, and the two are connected in fit.

[0054] As shown, Figures 3-4 As shown, the distance adjusting mechanism 8 comprises a first connecting frame 801, a second connecting frame 804 and a third connecting frame 811; the left side and the right side of the bottom box seat 1 are respectively provided with a second vertical slot 102 and a first vertical slot 101, the first connecting frame 801, the second connecting frame 804 and the third connecting frame 811 are all arranged in the bottom box seat 1, the first connecting frame 801 passes through the first vertical slot 101, and the first connecting frame 801 extends out of the bottom box seat 1, one end of the first connecting frame 801 located outside the bottom box seat 1 is fixedly connected with the foot pedal 7, the second vertical slot 102 penetrates the side wall of the side shell 3, the third connecting frame 811 passes through the second vertical slot 102, and the third connecting frame 811 extends into the side shell 3, the first connecting frame 801 is fixedly connected with the second connecting frame 804, a transmission part is arranged between the second connecting frame 804 and the third connecting frame 811, the third connecting frame 811 is fixedly connected with the bottom end of a vertical rod 812 arranged in the side shell 3, the top end of the vertical rod 812 is fixedly connected with a fourth connecting frame 813, the left side wall of the top box seat 2 is provided with a third vertical slot 201, the third vertical slot 201 penetrates the side wall of the side shell 3, the fourth connecting frame 813 penetrates the third vertical slot 201, and the fourth connecting frame 813 extends into the top box seat 2, the first connecting frame 801 is fixedly connected with one end of the column body 501 located in the bottom box seat 1, and the fourth connecting frame 813 is fixedly connected with one end of the column body 501 located in the top box seat 2; an electromagnet 11 is fixedly installed on the inner side wall of the bottom box seat 1.

[0055] A plurality of first guide holes are formed in the first connecting frame 801, and a first guide column 802 is connected in clearance fit with the first guide holes, the first guide column 802 is fixedly installed in the bottom box seat 1, a first spring 803 is arranged between the inner wall of the top of the bottom box seat 1 and the first connecting frame 801, one end of the first spring 803 is fixedly connected with the inner wall of the top of the bottom box seat 1, and the other end of the first spring 803 is fixedly connected with the first connecting frame 801.

[0056] The third connecting frame 811 is provided with a plurality of second guide holes, the second guide holes are connected with second guide columns 809 in a clearance fit, the second guide columns 809 are fixedly installed in the bottom box seat 1, a second spring 810 is arranged below the third connecting frame 811, one end of the second spring 810 is fixedly connected with the inner wall of the bottom of the bottom box seat 1, and the other end of the second spring 810 is fixedly connected with the third connecting frame 811.

[0057] The transmission part comprises a first rack 805, a second rack 806 and a gear 808, the first rack 805 and the second rack 806 are respectively connected in meshing to the two sides of the gear 808, the middle part of the gear 808 is fixedly connected with a first rotating shaft 807, and the first rotating shaft 807 is rotatably installed in the bottom box seat 1, the first rack 805 is fixedly connected with the second connecting frame 804, and the second rack 806 is fixedly connected with the third connecting frame 811.

[0058] When the frame is positioned, the first connecting frame 801 is moved downward by stepping on the foot pedal 7, the first spring 803 is stretched, the first connecting frame 801 is guided by the first guide hole and the first guide column 802 when moving downward, the first connecting frame 801 drives the first rack 805 to move downward through the second connecting frame 804, the first rack 805 is engaged with the gear 808, the gear 808 and the first rotating shaft 807 rotate together, the second rack 806 is driven to move upward by the gear 808, the third connecting frame 811 moves upward together with the second rack 806, the third connecting frame 811 is guided by the second guide hole and the second guide column, and the second spring 810 is stretched, the third connecting frame 811 drives the fourth connecting frame 813 to move upward through the vertical rod 812, the positioning column 5 at the bottom box seat 1 moves downward together with the first connecting frame 801, the positioning column 5 at the top box seat 2 moves upward together with the fourth connecting frame 813, the distance between the two positioning columns 5 is increased, and a sufficient distance is generated, a person places the frame between the two positioning columns 5 by hand, and aligns the main pipe of the frame with the matching end head 502 of the two positioning columns 5, the foot releases the foot pedal 7, the first connecting frame 801 and the third connecting frame 811 are reset and moved by the elastic force of the first spring 803 and the second spring 810, and the two positioning columns 5 are also reset, the matching end head 502 is inserted into the main pipe of the frame, and the end surface of the column body 501 is pressed against the end surfaces of the main pipe of the frame.

[0059] When the foot pedal 7 is not stepped on and the positioning column 5 is not positioned to place the frame, as shown in FIG. 6, Figure 3As shown, at this time, the distance between the two positioning posts 5 is less than the length of the frame main tube, so after the frame main tube is positioned by the two positioning posts 5, the distance between the two positioning posts 5 increases.

[0060] After marking the frame, de-energize the electromagnet 11, then step on the foot pedal 7 to increase the distance between the two positioning posts 5, and remove the frame.

[0061] like Figures 3-7 As shown, the pressing mechanism 9 includes a fixed sleeve 901, a movable rod 902, an end frame 903, and a pressure roller 904. A partition is fixedly installed in the middle of the fixed sleeve 901, and the fixed sleeve 901 is divided into two mating cavities by the partition. There are two movable rods 902, and the two movable rods 902 are respectively connected to the two mating cavities with clearance fit. One end of the movable rod 902 is fixedly connected to the end frame 903, and the pressure roller 904 is rotatably installed on the end frame 903. The movable rod 902 is provided with a groove along its length, and a third spring 905 is provided in the groove. One end of the third spring 905 is fixedly connected to the partition, and the other end of the third spring 905 is fixedly connected to the end frame 903.

[0062] It also includes two telescopic rods 10. Each telescopic rod 10 includes a rotating sleeve 1001, a prism 1002, and a second rotating shaft 1003. The rotating sleeve 1001 is rotatably mounted to the center of the positioning column 5. One end of the rotating sleeve 1001 is fixedly connected to the middle of the fixed sleeve 901 of the pressing mechanism 9. The prism 1002 is connected to the inside of the rotating sleeve 1001 with a clearance fit. One end of the prism 1002 is fixedly connected to the second rotating shaft 1003. The second rotating shaft 1003 is rotatably connected to a frame 1004. The frames 1004 of the two telescopic rods 10 are respectively fixedly installed in the bottom box 1 and the top box 2.

[0063] The second rotating shaft 1003 is connected to a drive mechanism 6; there are two drive mechanisms 6, and the two drive mechanisms 6 are respectively installed on the bottom surface of the base 1 and the top surface of the top 2. The drive mechanism 6 includes a fixed housing 601 and a motor 602; the motor 602 is fixedly installed on the outer wall of the fixed housing 601. The fixed housing 601 is provided with a worm 604, a worm wheel 603 and an inner shaft 605. The worm 604 and the inner shaft 605 are rotatably installed in the fixed housing 601. The worm wheel 603 is fixedly sleeved 901 and connected to the inner shaft 605. The worm wheel 603 is meshed with the worm 604. One end of the worm 604 is fixedly connected to the output shaft end of the motor 602. One end of the inner shaft 605 is fixedly connected to the second rotating shaft 1003.

[0064] After the main frame is positioned, the clamping mechanism 9 is used for clamping and limiting. Initially, the clamping mechanism 9 is as follows: Figure 6As shown, the clamping is carried out, the worm 604 is driven to rotate by the motor 602, the inner shaft 605 is rotated by the meshing of the worm 604 and the worm gear 603, the telescopic rod 10 is rotated, the telescopic rod 10 drives the compression mechanism 9 to rotate 90° as a whole, that is, the compression mechanism 9 is rotated to the narrow place of the oval position, the compression roller 904 rolls on the inner wall of the frame main pipe, extrusion is carried out, the movable rod 902 is moved to the fixed sleeve 901, the third spring 905 is compressed, the compression roller 904 is pressed to the inner wall of the frame straight pipe by the elastic force of the third spring 905, and the compression limiting is provided.

[0065] When the compression limiting is released, the compression mechanism 9 is reversely rotated by 90°, and is restored to the state as shown. Figure 6

[0066] Wherein the electromagnet 11 and the motor 602 are both externally connected with a power supply and a control switch for power supply and electric control.

[0067] The utility model is not limited to the above-mentioned embodiment, no matter makes any change in its shape or structure, all fall in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims, and the person skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall into the protection scope of the utility model.​

Claims

1. A fixture for a production line coding machine, comprising a base box (1) and a top box (2) disposed above the base box (1); characterized in that, Also includes: Positioning post (5), the number of positioning posts (5) is two, the two positioning posts (5) are respectively installed on the top of the bottom box base (1) and the bottom of the top box base (2), and the two positioning posts (5) are symmetrically arranged; Foot pedal (7), the foot pedal (7) is located on one side of the base (1), and the foot pedal (7) is connected to an adjustment mechanism (8) for adjusting the distance between the two positioning columns (5); A clamping mechanism (9) is provided on a positioning post (5) and is connected to a driving mechanism (6).

2. The fixture for a production line coding machine as described in claim 1, characterized in that: It also includes a side shell (3), the upper side wall and the lower side wall of the side shell (3) are fixedly connected to the side wall of the top box seat (2) and the side wall of the bottom box seat (1) respectively, and a reinforcing plate (4) is fixedly installed at the connection between the side shell (3) and the top box seat (2) and the connection between the side shell (3) and the bottom box seat (1).

3. The fixture for a production line coding machine as described in claim 2, characterized in that: The positioning column (5) includes a column body (501) and a mating end (502) fixedly installed at the end of the column body (501). The top of the bottom box base (1) and the bottom of the top box base (2) are both provided with through grooves, and the column body (501) is connected to the through grooves with a clearance fit.

4. The fixture for a production line coding machine as described in claim 3, characterized in that: The adjusting mechanism (8) includes a first connecting frame (801), a second connecting frame (804), and a third connecting frame (811); the left and right sides of the base (1) are respectively provided with a second vertical groove (102) and a first vertical groove (101), the first connecting frame (801), the second connecting frame (804), and the third connecting frame (811) are all arranged inside the base (1), the first connecting frame (801) passes through the first vertical groove (101) and extends to the outside of the base (1), the end of the first connecting frame (801) located outside the base (1) is fixed to the foot pedal (7), the second vertical groove (102) penetrates the side wall of the side shell (3), the third connecting frame (811) passes through the second vertical groove (102) and extends to the inside of the side shell (3), the first connecting frame (801) and the second vertical groove (804) are connected to the foot pedal (7). A connecting frame (804) is fixedly connected, and a transmission part is provided between the second connecting frame (804) and the third connecting frame (811). The third connecting frame (811) is fixedly connected to the bottom end of the vertical rod (812) provided in the side shell (3). The top end of the vertical rod (812) is fixedly connected to a fourth connecting frame (813). A third vertical groove (201) is provided on the left side wall of the top box seat (2). The third vertical groove (201) penetrates the side wall of the side shell (3). The fourth connecting frame (813) penetrates the third vertical groove (201) and extends into the top box seat (2). The first connecting frame (801) is fixedly connected to one end of the column (501) located in the bottom box seat (1). The fourth connecting frame (813) is fixedly connected to one end of the column (501) located in the top box seat (2). An electromagnet (11) is fixedly installed on the inner side wall of the bottom box seat (1).

5. The fixture for a production line coding machine as described in claim 4, characterized in that: The first connecting frame (801) has a plurality of first guide holes, and the first guide holes are connected to the first guide post (802) with clearance fit. The first guide post (802) is fixedly installed in the base box (1). A first spring (803) is provided between the top inner wall of the base box (1) and the first connecting frame (801). One end of the first spring (803) is fixedly connected to the top inner wall of the base box (1), and the other end of the first spring (803) is fixedly connected to the first connecting frame (801).

6. The fixture for a production line coding machine as described in claim 4, characterized in that: The third connecting frame (811) is provided with a plurality of second guide holes, and a second guide post (809) is connected to the second guide hole with clearance fit. The second guide post (809) is fixedly installed in the bottom box base (1). A second spring (810) is provided below the third connecting frame (811). One end of the second spring (810) is fixedly connected to the bottom inner wall of the bottom box base (1), and the other end of the second spring (810) is fixedly connected to the third connecting frame (811).

7. The fixture for a production line coding machine as described in claim 4, characterized in that: The transmission unit includes a first rack (805), a second rack (806), and a gear (808). The first rack (805) and the second rack (806) are respectively meshed and connected to both sides of the gear (808). A first rotating shaft (807) is fixedly connected to the middle of the gear (808), and the first rotating shaft (807) is rotatably installed in the base (1). The first rack (805) is fixedly connected to the second connecting frame (804), and the second rack (806) is fixedly connected to the third connecting frame (811).

8. The fixture for a production line coding machine as described in claim 1, characterized in that: The pressing mechanism (9) includes a fixed sleeve (901), a movable rod (902), an end frame (903), and a pressure roller (904). A partition is fixedly installed in the middle of the fixed sleeve (901), and the fixed sleeve (901) is divided into two mating cavities by the partition. There are two movable rods (902), and the two movable rods (902) are respectively connected to the two mating cavities with clearance fit. One end of the movable rod (902) is fixedly connected to the end frame (903), and the pressure roller (904) is rotatably installed on the end frame (903). The movable rod (902) is provided with a groove along its length, and a third spring (905) is provided in the groove. One end of the third spring (905) is fixedly connected to the partition, and the other end of the third spring (905) is fixedly connected to the end frame (903).

9. The fixture for a production line coding machine as described in claim 8, characterized in that: It also includes telescopic rods (10); there are two telescopic rods (10), each telescopic rod (10) includes a rotating sleeve (1001), a prism (1002) and a second rotating shaft (1003); the rotating sleeve (1001) is rotatably installed at the center of the positioning column (5), one end of the rotating sleeve (1001) is fixedly connected to the middle of the fixed sleeve (901) of the pressing mechanism (9), the prism (1002) is connected to the inside of the rotating sleeve (1001) with a clearance fit, one end of the prism (1002) is fixedly connected to the second rotating shaft (1003), the second rotating shaft (1003) is rotatably connected to the frame (1004), and the frames (1004) of the two telescopic rods (10) are respectively fixedly installed in the bottom box (1) and the top box (2).

10. The fixture for a production line coding machine as described in claim 9, characterized in that: The second rotating shaft (1003) is connected to a drive mechanism (6); there are two drive mechanisms (6), and the two drive mechanisms (6) are respectively installed on the bottom surface of the base (1) and the top surface of the top base (2). The drive mechanism (6) includes a fixed shell (601) and a motor (602); the motor (602) is fixedly installed on the outer wall of the fixed shell (601), and a worm gear (604) is provided inside the fixed shell (601). The worm gear (603) and inner shaft (605) are rotatably mounted in the fixed housing (601). The worm gear (603) is fixedly sleeved on the inner shaft (605). The worm gear (603) is meshed with the worm (604). One end of the worm (604) is fixedly connected to the output shaft end of the motor (602). One end of the inner shaft (605) is fixedly connected to the second rotating shaft (1003).

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