A loading device for painting a stent

Abstract

The application provides a loading device for bracket paint spraying, and belongs to the technical field of automatic loading. The device comprises a filler frame, which is arranged in a rectangular shape and has two open ends. Two matching grooves are formed in the length direction of the filler frame on both sides of the end face of the filler frame, and the two matching grooves are spaced apart by a predetermined distance along the height direction of the filler frame. A feeding frame is arranged in a rectangular shape and has two open ends. The filler frame is arranged on the inner side of the feeding frame, and the two sides of the feeding frame are arranged in parallel with the two sides of the filler frame. The feeding frame is arranged to move along the length direction of the filler frame. Two pairs of positioning rods are arranged on the upper and lower ends of the feeding frame. The axes of each pair of positioning rods are coaxial and are arranged on the two sides of the filler frame. Each positioning rod is arranged to move along its own axis. A material blocking mechanism is arranged between the two sides of the feeding frame and the two sides of the filler frame. A pushing plate is arranged on the inner side of the filler frame and is arranged to move along the length direction of the filler frame. A driving part is used to drive the pushing plate and the positioning rods to move. The loading device can automatically hang the bracket on the hook, which is beneficial to improving the bracket paint spraying efficiency.

Description

Technical Field

[0001] This application belongs to the field of automated feeding technology, and in particular relates to a feeding device for bracket painting. Background Technology

[0002] Many large pieces of equipment and tooling require placement on a workbench during assembly and transfer. This workbench slides along rails to facilitate assembly and transfer, improve work efficiency and accuracy, enhance personnel safety, and reduce labor intensity. Typically, these rails are fixed to the ground via brackets 2, and their specific structure is as follows: Figure 9 As shown, the support 2 is a channel steel structure with through holes 21 on both the front and rear ends. The bottom surface of the support 2 has two waist-shaped holes 22 arranged in an array along the length of the support 2 and facing the length of the support 2.

[0003] As a fastener for the conveyor track, bracket 2 should have good corrosion resistance. Therefore, bracket 2 needs to be painted before leaving the factory. Figure 8 and Figure 10 As shown, the existing painting method mainly uses a suspended conveyor track 8 to transport the bracket 2. Hooks 81 are arranged on the suspended conveyor track 8 along its conveying direction, and the hooks 81 are moved along the suspended conveyor track 8 by chain drive. The worker hangs the bracket 2 on the hooks 81 through the waist-shaped hole 22. The suspended conveyor track 8 passes through the spray booth, where the bracket 2 is automatically or manually painted.

[0004] Before painting, the bracket 2 needs to be manually hung on the hook 81 one by one. Moreover, the bracket 2 is quite heavy. This loading method has a low degree of automation, is cumbersome and labor-intensive, and is not conducive to improving the painting efficiency of the bracket 2. Summary of the Invention

[0005] To address the shortcomings of the prior art, this application provides a feeding device for bracket painting, which can automatically hang the bracket on the hook, thereby improving the efficiency of bracket painting.

[0006] To achieve the above objectives, the present invention employs the following techniques:

[0007] A feeding device for spray painting on a bracket includes:

[0008] The packing frame is rectangular with openings at both ends and is used for horizontal packing supports. Two mating grooves are opened on both sides of the end face of the packing frame along the length direction, and the two mating grooves are spaced at a predetermined distance along the height direction of the packing frame.

[0009] The feeding frame is rectangular with openings at both ends. Its orientation is the same as that of the filling frame. The filling frame is located inside the feeding frame. The two sides of the feeding frame are parallel to the two sides of the filling frame. The feeding frame is movable along the length of the filling frame.

[0010] Two pairs of positioning rods are respectively located at the upper and lower ends of the feeding frame. The axes of each pair of positioning rods are coaxial and located on both sides of the packing frame. They are used to enter the mating groove laterally when the feeding frame moves towards the end face of the packing frame along the length of the packing frame. Each positioning rod is moved along its own axis.

[0011] The material blocking mechanism is located between the two sides of the feeding frame and the two sides of the filling frame, and is used to block the end face of the filling frame as the feeding frame moves.

[0012] A pusher plate is located inside the packing frame and is movable along the length of the packing frame to push the support.

[0013] The drive unit is used to drive the pusher plate and the positioning rod to move.

[0014] Furthermore, the top and bottom surfaces of the feeding frame are provided with strip-shaped holes, which are oriented towards the width direction of the filling frame. The top and bottom surfaces of the feeding frame are both supported by a portal frame. The portal frame is slidably fitted with a first guide rod oriented towards the width direction of the filling frame. The first guide rod is vertically connected to a vertical rod. One end of the vertical rod passes vertically through the strip-shaped hole and is located inside the feeding frame. The other end of the vertical rod is vertically connected to one end of a positioning rod, and the other end of the positioning rod is oriented towards the side of the filling frame.

[0015] Furthermore, a push plate is vertically connected to one end of the first guide rod located inside the portal frame, and a spring is sleeved on the first guide rod. The spring is connected between the push plate and the side of the portal frame, and the drive unit is used to drive the two push plates to move synchronously towards each other.

[0016] Furthermore, the drive unit includes a double-center cam disposed between the two push plates and used to synchronously push the push plates along the first guide rod. The double-center cam is driven by a motor disposed on the top surface of the portal frame.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. By setting up the packing frame and pusher plate, and with the cooperation of the feeding frame and the blocking mechanism, the support in the packing frame can be conveyed and positioned; at the same time, by making full use of the structural features of the support, the support can be completely removed from the packing frame by passing the positioning rod through the through hole, so as to avoid interference between the support and the packing frame body during feeding, which has high reliability.

[0019] 2. By fully utilizing the center of gravity distribution characteristics of the bracket, through the action of gravity, the separation of the positioning rod and the through hole, and the control of the distance between the hook and the filler frame, the bracket can automatically tilt towards the hook to complete the automatic feeding operation, thereby greatly improving the overall efficiency of the painting process and reducing the labor intensity of workers.

[0020] 3. By setting gears on the feeding frame and racks meshing with the gears on both sides of the filling frame, and by using the gears in conjunction with the stop rod, the movement of the feeding frame along the length of the filling frame is converted into the rotation of the stop rod. This allows the stop rod to effectively position the movement of the feeding frame, ensuring that the positioning rod enters the mating groove. At the same time, the stop rod can also effectively position the bracket, so that the axis of the through hole of the foremost bracket coincides with the axis of the positioning rod. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of the device according to an embodiment of this application.

[0022] Figure 2 This is a front view of the device according to an embodiment of this application.

[0023] Figure 3 This is a structural schematic diagram of the feeding frame implemented in this application.

[0024] Figure 4 yes Figure 1 A magnified view of part A in the middle.

[0025] Figure 5 yes Figure 1 A magnified view of part B in the middle.

[0026] Figure 6 yes Figure 1 A magnified view of a portion of C.

[0027] Figure 7 yes Figure 3 A magnified view of a portion of D.

[0028] Figure 8 This application's embodiment shows the positional relationship between the device and the suspended conveyor track.

[0029] Figure 9 This is a schematic diagram of the support structure.

[0030] Figure 10 This is a schematic diagram of the structure of a suspended conveyor track.

[0031] Reference numerals: 1-filler frame, 11-mating groove, 12-second guide rod, 2-bracket, 21-through hole, 22-waist-shaped hole, 3-feeding frame, 31-strip hole, 32-gantry frame, 33-first guide rod, 34-vertical rod, 35-push plate, 36-spring, 4-positioning rod, 41-limiting block, 5-stopping mechanism, 51-rack, 52-wheel frame, 53-gear, 54-stop bar, 55-support plate, 56-mating hole, 57-mating shaft, 58-rack frame, 6-push plate, 7-drive unit, 71-double-center cam, 72-motor, 73-linear mechanism, 8-suspended conveyor track, 81-hook. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the implementation methods of the present invention will be described in detail below with reference to the accompanying drawings. However, the embodiments described in this invention are only some embodiments of the present invention, and not all embodiments.

[0033] Example 1

[0034] This application provides a feeding device for bracket painting, such as... Figures 1-7 As shown, the device includes: a filling frame 1, a feeding frame 3, two pairs of positioning rods 4, a baffle mechanism 5, a pusher plate 6, a drive unit 7, etc.

[0035] Among them, such as Figure 1 and Figure 2 As shown, the packing frame 1 is rectangular and relatively long to increase the number of supports 2 that can be loaded. The packing frame 1 is open at both ends. The distance between the upper and lower ends of the packing frame 1 is equal to the length of the support 2, and the distance between the two sides of the packing frame 1 is equal to the width of the support 2. When the support 2 is loaded, the bottom surface of the support 2 faces the opening direction of the packing frame 1, and the two sides of the support 2 abut against the two sides of the packing frame 1 respectively. Two mating grooves 11 are opened on both sides of the end face of the packing frame 1 along the length direction. The two mating grooves 11 are spaced at a predetermined distance along the height direction of the packing frame 1. That is, after the support 2 is loaded into the packing frame 1, the mating grooves 11 and the through holes 21 on the support 2 are at the same height.

[0036] like Figures 1-3 As shown, the feeding frame 3 is rectangular with openings at both ends, and its orientation is the same as that of the packing frame 1. The packing frame 1 is located inside the feeding frame 3. The two sides of the feeding frame 3 are parallel to the two sides of the packing frame 1. The feeding frame 3 moves along the length of the packing frame 1, that is, in the direction of the openings at both ends of the packing frame 1. Specifically, the feeding frame 3 can be driven by a linear motor, lead screw, or other drive mechanism.

[0037] like Figures 1-5As shown, two pairs of positioning rods 4 are respectively located at the upper and lower ends of the feeding frame 3. The axes of each pair of positioning rods 4 are coaxially arranged and located on both sides of the packing frame 1 and perpendicular to the side of the packing frame 1. The distance between the two pairs of positioning rods 4 is equal to the distance between the two mating grooves 11. The diameter of the positioning rods 4 is smaller than the width of the mating grooves 11. That is, when the feeding frame 3 moves along the length direction of the packing frame 1 towards the end face of the packing frame 1, the four positioning rods 4 can enter the corresponding mating grooves 11 laterally.

[0038] like Figure 1 and Figure 3 As shown, the material blocking mechanism 5 is located between the two sides of the feeding frame 3 and the two sides of the filling frame 1. When the feeding frame 3 drives the positioning rod 4 into the mating groove 11, the material blocking mechanism 5 blocks the end face of the filling frame 1 to restrict the movement of the bracket 2. When the feeding frame 3 drives the positioning rod 4 out of the mating groove 11, the material blocking mechanism 5 releases the obstruction of the end face of the filling frame 1.

[0039] like Figures 1-3 As shown, the pusher plate 6 is located inside the packing frame 1 and moves along the length of the packing frame 1 to push the bracket 2; the drive unit 7 is used to drive the pusher plate 6 and the positioning rod 4 to move.

[0040] This embodiment explains the feeding principle of the feeding device in conjunction with the suspended conveyor track 8, such as... Figure 8 and Figure 10 As shown, the suspended conveyor track 8 is rectangular and is installed in front of the filling frame 1. One side of the suspended conveyor track 8 faces the length direction of the filling frame 1, and the end face of the filling frame 1 facing the suspended conveyor track 8 is the front end. The feeding principle is as follows:

[0041] Filling stage: such as Figure 1 and Figure 2 As shown, the pusher plate 6 is removed from the packing frame 1, and the feeding frame 3 moves towards the rear end of the packing frame 1 along its length, causing each positioning rod 4 to enter the corresponding mating groove 11 laterally. The baffle mechanism 5 blocks the front end face of the packing frame 1, i.e., the end face from which the bracket 2 exits. After that, the feeding frame 3 remains stationary. Multiple brackets 2 are sequentially loaded into the packing frame 1 from the rear end by manual or automatic packing machine. The drive unit 7 drives the pusher plate 6 to move towards the brackets 2 in the packing frame 1 along its length, so that each bracket 2 abuts against each other and moves together towards the front end of the packing frame 1 until the baffle mechanism 5 acts on the foremost bracket 2. The pusher plate 6 stops moving, thereby restricting multiple brackets 2 between the baffle mechanism 5 and the pusher plate 6. At this time, the axes of the through holes 21 on both sides of the front and rear ends of the foremost bracket 2 coincide with the axes of the corresponding positioning rods 4.

[0042] Feeding stage: such as Figures 1-5As shown, the drive unit 7 drives the positioning rods 4 to enter the corresponding through holes 21 along their own axes. Accordingly, to ensure that the positioning rods 4 can effectively enter the through holes 21, the diameter of the positioning rods 4 can be appropriately reduced to be smaller than the diameter of the through holes 21. The feeding frame 3 moves towards its front end along the length direction of the filling frame 1, and the positioning rods 4 move out of the mating groove 11. Through the mating of the positioning rods 4 and the through holes 21, the support 2 is supported and moved towards the suspended conveying track 8. When the support 2 is completely moved out of the filling frame 1, the feeding frame 3 stops moving. At the same time, multiple hooks 81 are conveyed towards the filling frame 1 along the suspended conveying track 8. During the conveying process, the hooks 81 are always facing the filling frame 1 and are located in the middle position on both sides of the filling frame 1.

[0043] Material feeding stage: such as Figure 1 , Figure 2 , Figure 3 , Figure 8 As shown, when the foremost hook 81 is conveyed to a predetermined distance from the bracket 2 of the packing frame 1, it stops. The two positioning rods 4 located at the upper end of the feeding frame 3 separate towards each other along their own axes, thus disengaging from the through hole 21. Figure 9 As shown, from the structure of the support 2, it can be analyzed that the main weight of the support 2 is distributed on its bottom surface. The axes of the two positioning rods 4 at the lower end of the feeding frame 3 are located on one side of the bottom surface of the support 2, and the bottom surface of the support 2 faces the hook 81. That is, the axis of the lower positioning rod 4 is offset from the center of gravity of the support 2. Therefore, when the two positioning rods 4 at the upper end of the feeding frame 3 separate from the through hole 21, the support 2 will tilt towards the hook 81 around the axis of the lower positioning rod 4 under the action of gravity, so that the hook 81 passes through the waist-shaped hole 22 on the support 2 near the upper end of the feeding frame 3. Then the positioning rods 4 at the lower end of the feeding frame 3 separate from the through hole 21, and the hook 81 hooks the support 2 through the waist-shaped hole 22, thereby completing the feeding of the support 2. The hook 81 continues to move along the suspended conveyor track 8 to the spray booth for painting. Accordingly, the distance between the suspended conveyor track 8 and the filling frame 1 should be reasonably set to avoid the hook 81 interfering with the movement of the support 2 when it continues to be conveyed along the suspended conveyor track 8.

[0044] The feeding frame 3 moves along the length of the filling frame 1 towards its rear end, causing each positioning rod 4 to enter the corresponding mating groove 11 laterally again. The material blocking mechanism 5, along with the movement of the feeding frame 3, blocks the front end of the filling frame 1 again. The pusher plate 6 pushes the bracket 2 again, so that the material blocking mechanism 5 acts on the frontmost bracket 2 to perform the next feeding and unloading. Correspondingly, the next hook 81 continues to be conveyed to the predetermined length of the bracket 2 that has moved out of the filling frame 1, in order to hang the next bracket 2. This cycle repeats, and the brackets 2 in the filling frame 1 are hung with hooks 81 in sequence and sent into the spray booth for painting.

[0045] In actual production, a batch of brackets 2 is often quite large, requiring manual handling to hang all brackets 2 onto hooks 81 one by one. This not only results in slow loading efficiency and low painting efficiency but is also extremely labor-intensive. This solution, through the setting of the filling frame 1 and the pusher plate 6, and with the cooperation of the feeding frame 3 and the blocking mechanism 5, can transport and position the brackets 2 within the filling frame 1. Simultaneously, by fully utilizing the structural features of the brackets 2, the positioning rod 4 passes through the through hole 21 to completely remove the brackets 2 from the filling frame 1, avoiding interference between the brackets 2 and the frame 1 during loading, thus ensuring high reliability. Furthermore, by fully utilizing the center of gravity distribution characteristics of the brackets 2, through the action of gravity, the separation of the positioning rod 4 and the through hole 21, and the control of the distance between the hooks 81 and the filling frame 1, the brackets 2 automatically tilt towards the hooks 81, completing the automatic loading operation.

[0046] In summary, the feeding device can automatically and continuously feed the support 2, thereby greatly improving the overall efficiency of the painting process. At the same time, it effectively reduces the labor intensity of workers and has high practicality.

[0047] Specifically, such as Figure 1 and Figure 8 As shown, during application, the filling frame 1 can be fixed on the ground by a support frame, and four second guide rods 12 are set around the filling frame 1. The four second guide rods 12 are located at the four corners of the filling frame 1, and the four corners of the feeding frame 3 are slidably inserted into the second guide rods 12, so that the feeding frame 3 has better stability when moving.

[0048] Example 2

[0049] As a further implementation of the above embodiment 1, such as Figures 1-4 As shown, the top and bottom surfaces of the feeding frame 3 are provided with strip-shaped holes 31, which are oriented towards the width direction of the filling frame 1. The top and bottom surfaces of the feeding frame 3 are both supported by a portal frame 32. The portal frame 32 is slidably provided with first guide rods 33 oriented towards the width direction of the filling frame 1 on both sides. One end of the first guide rod 33 is located inside the portal frame 32, and the other end extends outside the portal frame 32 and is vertically connected to a vertical rod 34. One end of the vertical rod 34 is vertically inserted through the strip-shaped hole 31 and located inside the feeding frame 3. One end of the vertical rod 34 is vertically connected to one end of the positioning rod 4, and the other end of the positioning rod 4 is oriented towards the side of the filling frame 1.

[0050] like Figures 1-4 As shown, one end of the first guide rod 33 located inside the portal frame 32 is vertically connected to a push plate 35. A spring 36 is sleeved on the first guide rod 33, and the spring 36 connects the push plate 35 and the portal frame 32. When the spring 36 is in its natural state, the projection of the other end of the positioning rod 4 along the length direction of the packing frame 1 is located inside the packing frame 1, that is, the positioning rod 4 passes through the through hole 21. Figures 1-4As shown, the drive unit 7 includes a motor 72 fixedly mounted on the top surface of the gantry frame 32. Its drive end is arranged in the height direction of the filler frame 1 and coaxially connected to a double-top cam 71. The axis of the double-top cam 71 is located in the middle of both sides of the gantry frame 32. The top end of the double-top cam 71, that is, the end away from the axis of the drive end of the motor 72, is used to push the push plate 35.

[0051] During application, before the feeding frame 3 drives the positioning rods 4 laterally into the mating groove 11, the motors 72 at the upper and lower ends of the feeding frame 3 drive the double-center cams 71 to rotate until their two center points face the two sides of the feeding frame 3, thus pushing the push plate 35. The spring 36 is compressed by the push plate 35, and the two positioning rods 4 separate towards each other. After the positioning rods 4 enter the mating groove 11, the baffle mechanism 5, in conjunction with the push plate 6, positions the bracket 2. The axis of each positioning rod 4 coincides with the axis of the corresponding through hole 21. The motors 72 at the upper and lower ends of the feeding frame 3 drive the double-center cams 71 to rotate. When cam 71 rotates until its two pointed ends face the length direction of the filling frame 1, the pointed ends separate from the push plate 35, the spring 36 extends to its natural state, the two push plates 35 retract, and drive each positioning rod 4 into the corresponding through hole 21. This, combined with the movement of the feeding frame 3, completes the feeding process. During unloading, the motor 72 at the upper end of the feeding frame 3 drives the double-pointed cam 71 to rotate until its two pointed ends face the sides of the feeding frame 3, pushing the push plate 35. This causes the two positioning rods 4 located at the upper end of the feeding frame 3 to separate towards each other and from the through hole 21, thus completing the unloading process. Correspondingly, the elastic coefficients of each spring 36 are equal to ensure the synchronicity of the double-pointed cam 71 pushing the push plate 35, i.e., ensuring the synchronicity of the movement of the positioning rods 4.

[0052] By setting up components such as the first guide rod 33, push plate 35, and spring 36, and cooperating with the motor 72 to drive the double-center cam 71, the double-center cam 71 pushes the push plate 35, realizing the synchronous retraction and separation of the positioning rods 4, and the movement of the four positioning rods 4 can be controlled by two power sources; at the same time, the overall structure is simple and the manufacturing cost is low; the first guide rod 33 and the strip hole 31 can position the positioning rods 4 well, so as to ensure that the axis of the positioning rod 4 always coincides with the axis of the through hole 21 when the positioning rod 4 enters the through hole 21.

[0053] As can be seen from the above, during feeding, the positioning rod 4 needs to pass through the through hole 21. The positioning rod 4 supports the bracket 2, and as the feeding frame 3 moves, the bracket 2 is moved out of the filling frame 1 before feeding. During the process of the feeding frame 3 moving the bracket 2 out, the bracket 2 passes through the through hole 21 onto the positioning rod 4. The positioning rod 4 lacks a limit on the movement of the bracket 2 along the axis of the positioning rod 4. If the feeding frame 3 vibrates during its movement, the bracket 2 may deviate along the axis of the positioning rod 4, resulting in the waist-shaped hole 22 on the bracket 2 deviating from the hook 81 during feeding, and the bracket 2 failing to hook the hook 81. This embodiment proposes a preferred solution, as follows: Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, a limiting block 41 can be set on the positioning rod 4 between the side of the filling frame 1 and the vertical rod 34. When the spring 36 is in its natural state, the other end of the positioning rod 4 enters the through hole 21. At the same time, the limiting block 41 just abuts against the side of the filling frame 1. During the process of the feeding frame 3 driving the support 2 to move, the spring 36 maintains its ability not to deform, which can effectively limit the movement of the support 2 along the axis of the positioning rod 4 caused by vibration. This ensures that during the feeding process, the waist-shaped hole 22 of the support 2 does not deviate from the hook 81, improving the reliability of the support feeding device. In addition, a more stable driving method can be used to drive the feeding frame 3, such as a linear motor or ball screw, to improve the stability of the feeding frame 3 during movement.

[0054] Specifically, such as Figure 1 As shown, the drive unit 7 also includes a linear mechanism 73 located behind the packing frame 1, with its movable end facing the length direction of the packing frame 1 and connected to the pusher plate 6. The linear mechanism 73 can be in the form of a linear cylinder, an electric push rod, or the like.

[0055] Example 3

[0056] As a further embodiment of the above embodiments, such as Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 As shown, the material blocking mechanism 5 includes two racks 51 and two stop rods 54. The two racks 51 are fixedly mounted on both sides of the packing frame 1 by rack brackets 58 and face the length direction of the packing frame 1. The racks 51 are spaced apart from the corresponding sides of the packing frame 1 by a preset distance. The racks 51 are located between the side of the packing frame 1 and the side of the feeding frame 3. The tooth surfaces of the racks 51 are set facing the corresponding side of the packing frame 1. Both sides of the feeding frame 3 are provided with wheel brackets 52 for mounting gears 53. The wheel brackets 52 include a pair of support plates 55 facing the racks 51. One end of the support plate 55 is fixedly connected to the side frame of the feeding frame 3. The racks 51 are located between the two support plates 55. The other end of the support plate 55 is located between the racks 51 and the side of the packing frame 1. The other end of the support plate 55 is provided with a mating hole 56 along the height direction of the packing frame 1. The two ends of the gears 53 are coaxially provided with mating shafts 57. The mating shafts 57 are rotatably mated in the mating holes 56. The far end of the mating shafts 57 is vertically connected to one end of the stop rods 54.

[0057] In application, the feeding frame 3 drives the positioning rod 4 to move towards the mating groove 11, and at the same time drives the gear 53 to mesh with the rack 51, causing the gear 53 to rotate. The gear 53 drives the stop rod 54 to rotate. The stop rod 54 gradually turns from the posture facing the length direction of the filling frame 1 to the front end face of the filling frame 1. When the stop rod 54 abuts against the end face of the two side frames of the filling frame 1, the rotation stroke of the stop rod 54 is blocked by the two side frames of the filling frame 1. At this time, the feeding frame 3 and the gear 53 stop moving. The projection of the other end of the stop rod 54 along the length direction of the filling frame 1 is located inside the filling frame 1, and the positioning rod 4 has entered the corresponding mating groove 11 laterally.

[0058] The pusher plate 6 moves along the axis of the packing frame 1, pushing the bracket 2 towards the front end of the packing frame 1 until the foremost bracket 2 abuts against the other end of the stop rod 54. The pusher plate 6 stops, and each bracket 2 is restricted between the other end of the stop rod 54 and the pusher plate 6. At this time, the axis of the through hole 21 of the foremost bracket 2 coincides with the axis of the corresponding positioning rod 4. When the positioning rod 4 enters the through hole 21, the feeding frame 3 moves the bracket 2 out of the packing frame 1. The gear 53 meshes with the rack 51, and the gear 53 rotates in the opposite direction. The stop rod 54 separates from the front end of the packing frame 1 and rotates to face the length direction of the packing frame 1. The length of the stop rod 54 and the transmission ratio between the gear 53 and the rack 51 should be reasonably set so that when the feeding frame 3 completely moves the bracket 2 out of the packing frame 1 and is ready to enter the feeding stage, the projection of the stop rod 54 along the length direction of the packing frame 1 is located on both sides of the bracket 2. That is, when feeding, the two stop rods 54 will not block the path of the bracket 2 falling. The above process is repeated to position and feed the next bracket 2.

[0059] Correspondingly, limit switches can be installed on the end faces of the two side frames of the packing frame 1, and contactors can be installed on the rods of the stop rod 54 that contact the two side frames of the packing frame 1. When the gear 53 drives the stop rod 54 to rotate until the contactor on its rod contacts the limit switches on the two side frames of the packing frame 1, the drive mechanism stops driving the feeding frame 3, so that the feeding frame 3 remains stationary.

[0060] By setting a gear 53 on the feeding frame 3 and mounting racks 51 meshing with the gear 53 on both sides of the filling frame 1, and using the gear 53 in conjunction with the stop rod 54, the movement of the feeding frame 3 along the length of the filling frame 1 is converted into the rotation of the stop rod 54. The feeding frame 3 drives the positioning rod 4 to move toward the mating groove 11. When the stop rod 54 abuts against the end faces of the two side frames of the filling frame 1, the feeding frame 3 stops moving, and the positioning rod 4 is located in the mating groove 11. That is, the stop rod 54 can effectively control the movement of the feeding frame 3. The positioning ensures that the positioning rod 4 enters the mating groove 11. Simultaneously, the foremost bracket 2, pushed by the pusher plate 6, abuts against the other end of the stop rod 54, causing the axis of the through hole 21 of the foremost bracket 2 to coincide with the axis of the positioning rod 4. This means the stop rod 54 can effectively position the bracket 2. Furthermore, when the bracket 2 is moved out of the filler frame 1, the stop rod 54 rotates towards the length direction of the filler frame 1 under the meshing of the gear 53 and rack 51, thus opening the material feeding channel for the bracket 2. In summary, the bracket feeding device has a high degree of automation. Through the coordinated operation of its components, it can effectively achieve fast and stable feeding of the bracket 2, exhibiting high reliability and significantly improving the overall efficiency of the bracket 2 painting process.

[0061] The above description is only a preferred embodiment of this application and is not intended to limit this application. Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application.

Claims

1. A feeding device for painting a bracket, wherein the bracket (2) is a channel steel structure, and through holes (21) are provided on both sides of the front and rear ends, and two waist-shaped holes (22) are provided on the bottom surface of the bracket (2) arranged in an array along the length direction of the bracket (2) and facing the length direction of the bracket (2), characterized in that the device... include: The packing frame (1) is rectangular and open at both ends for horizontally filling the support (2). Two mating grooves (11) are opened on both sides of the end face of the packing frame (1) along the length direction. The two mating grooves (11) are spaced at a predetermined distance along the height direction of the packing frame (1). The mating grooves (11) and the corresponding through holes (21) on the support (2) are at the same height. The feeding frame (3) is rectangular and open at both ends. Its orientation is the same as that of the filling frame (1). The filling frame (1) is located inside the feeding frame (3). The two sides of the feeding frame (3) are parallel to the two sides of the filling frame (1). The feeding frame (3) is moved along the length of the filling frame (1). Two pairs of positioning rods (4) are respectively set at the upper and lower ends of the feeding frame (3). The axes of each pair of positioning rods (4) are coaxial and located on both sides of the filling frame (1). Each positioning rod (4) is moved along its own axis and is used to enter the mating groove (11) laterally when the feeding frame (3) moves towards the end face of the filling frame (1) along the length direction of the filling frame (1). The material blocking mechanism (5) is located between the two sides of the feeding frame (3) and the two sides of the filling frame (1). It includes a rack (51) fixedly mounted on both sides of the filling frame (1) and facing the length direction of the filling frame (1). The two sides of the feeding frame (3) are provided with wheel frames (52). The wheel frames (52) are provided with gears (53) that mesh with the corresponding racks (51). The end face of the gears (53) is connected to a stop bar (54) for blocking the end face of the filling frame (1) as the feeding frame (3) moves. The pusher plate (6) is located inside the packing frame (1) and moves along the length of the packing frame (1) to push the bracket (2). When the feeding frame (3) moves to the stop bar (54) against the end face of the packing frame (1) and the pusher plate (6) pushes the bracket (2) to the frontmost bracket (2) in the packing frame (1) against the stop bar (54), the axis of the through hole (21) of the frontmost bracket (2) in the packing frame (1) coincides with the axis of the corresponding positioning rod (4), and the axes of the two positioning rods (4) at the lower end of the feeding frame (3) are located on one side of the bottom surface of the bracket (2). The drive unit (7) is used to drive the pusher plate (6) and the positioning rod (4) to move.

2. The feeding device for bracket painting according to claim 1, characterized in that, The top and bottom surfaces of the feeding frame (3) are provided with strip holes (31), which are set in the width direction of the filling frame (1). The top and bottom surfaces of the feeding frame (3) are provided with gantry frames (32). The gantry frames (32) are slidably provided on both sides, with first guide rods (33) set in the width direction of the filling frame (1). The first guide rods (33) are vertically connected to vertical rods (34). One end of the vertical rod (34) passes vertically through the strip hole (31) and is located inside the feeding frame (3). One end of the vertical rod (34) is vertically connected to one end of the positioning rod (4), and the other end of the positioning rod (4) is set in the side of the filling frame (1).

3. The feeding device for bracket painting according to claim 2, characterized in that, The first guide rod (33) is vertically connected to a push plate (35) at one end inside the portal frame (32). A spring (36) is sleeved on the first guide rod (33). The spring (36) is connected between the push plate (35) and the side of the portal frame (32). The drive unit (7) is used to drive the two push plates (35) to move synchronously towards each other.

4. The feeding device for bracket painting according to claim 3, characterized in that, The drive unit (7) includes a double-top cam (71) disposed between the two push plates (35) and used to synchronously push the push plates (35) along the first guide rod (33). The double-top cam (71) is driven by a motor (72) disposed on the top surface of the gantry frame (32).

5. The feeding device for bracket painting according to claim 1, characterized in that, The rack (51) is set at a preset distance from the side of the packing frame (1). The rack (51) is located between the side of the packing frame (1) and the side of the feeding frame (3). The tooth surface of the rack (51) faces the side of the packing frame (1). The wheel frame (52) includes a pair of support plates (55) facing the rack (51). One end of the support plate (55) is fixedly connected to the side frame of the feeding frame (3). The rack (51) is located between the two support plates (55). The other end of the support plate (55) is located between the rack (51) and the side of the packing frame (1). The other end of the support plate (55) is provided with a mating hole (56) along the height direction of the packing frame (1). The two ends of the gear (53) are coaxially provided with a mating shaft (57). The mating shaft (57) is rotatably mated in the mating hole (56). The far end of the mating shaft (57) is vertically connected to the stop rod (54).

6. The feeding device for bracket painting according to claim 4, characterized in that, The drive unit (7) also includes a linear mechanism (73) located behind the packing frame (1), with its movable end facing the length direction of the packing frame (1) and connected to the pusher plate (6).

7. The feeding device for bracket painting according to claim 1, characterized in that, The packing frame (1) is provided with a second guide rod (12) arranged along its length, and the feeding frame (3) slides through the second guide rod (12).

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