Small automatic production line conveying and positioning mechanism

Abstract

The invention relates to the technical field of conveying equipment, in particular to a small automatic production line conveying and positioning mechanism which comprises a first positioning support, a second positioning support, a pushing assembly, a supporting and positioning assembly and a maintaining assembly. A conveying belt conveys a conveying tray to an approximate position in advance, then a telescopic push cylinder controls a conical push block to push the conveying tray, two second positioning blocks on one side of the conveying tray abut against a supporting positioning assembly, and the conveying tray is matched with a first positioning block to adjust the vertical height and the left-right position; in addition, under the matching action of the maintenance assembly, self-lubricating operation can be conducted on connection of the rotation supporting shaft and the contact sleeve, and the automatic positioning device is small and exquisite in overall structure, suitable for machining of small products, high in positioning precision, free of worry and convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of conveying equipment, in particular to a conveying positioning mechanism for a small automatic production line. Background Art

[0002] The production line is the route that the product production process passes through. The products to be processed are moved and controlled by the conveying mechanism. When the products are moved to the processing position, they need to be fixed and aligned by the positioning mechanism to ensure the accuracy and quality of the processing.

[0003] The prior art patent CN221050889U discloses a positioning device and a conveying line, wherein the positioning device comprises a first lifting plate, a first lifting drive assembly, a lifting member and a second lifting drive assembly, wherein a second through hole is provided on the first lifting plate, and the first lifting plate is arranged at the driving end of the first lifting drive assembly, and the lifting member is arranged at the driving end of the second lifting drive assembly. When the product moves to the top of the positioning device with the tray, the first lifting drive assembly can drive the first lifting plate to rise, lift the tray away from the assembly line, and then the second lifting drive assembly drives the lifting member to rise, and the lifting member will pass through the second through hole and the first through hole in turn, and be exposed to the first lifting plate, and lift the product in the tray to a suitable height, so that the product processing is not affected by the deformation of the tray, thereby ensuring a good processing effect of the product, but whether the above positioning mechanism or the conveying tray positioning mechanism on the market, the volume is too large, not suitable for small products, and the speed is slow to reduce the beat, wherein the tray positioning mechanism needs to be lifted on the tray when in use, and then positioned by a cylindrical pin, and the tolerance of the cylindrical pin will lead to poor positioning accuracy. Summary of the invention

[0004] The object of the present invention is to provide a small automatic production line conveying and positioning mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a small automatic production line conveying and positioning mechanism, comprising:

[0006] A first positioning bracket and a second positioning bracket, wherein the first positioning bracket and the second positioning bracket are vertically symmetrically arranged, and conveyor belts are horizontally arranged on opposite sides of the first positioning bracket and the second positioning bracket, and conveyor trays are horizontally placed on the upper ends of the two conveyor belts;

[0007] A push assembly, the push assembly is arranged on a side of the second positioning bracket close to the conveying tray, the push assembly comprises a telescopic push cylinder and a conical push block, one side of the conical push block contacts the first positioning block;

[0008] A support and positioning assembly, wherein the support and positioning assembly is horizontally arranged on a side of the first positioning bracket close to the conveying tray through bolts, and the support and positioning assembly includes a mounting seat, a self-rotating support shaft and a contact sleeve, both sides of the mounting seat are horizontally movably plugged with support plates, both sides of the self-rotating support shaft are movably plugged into two support plates respectively, and the contact sleeve is horizontally slidably sleeved with the self-rotating support shaft;

[0009] A maintenance component is arranged on one side of the mounting seat close to the support plate, and the maintenance component includes a shift block piston guide rod and a switching piston.

[0010] Preferably, the telescopic push cylinder is horizontally arranged on one side of the second positioning bracket, the telescopic rod of the telescopic push cylinder movably passes through the second positioning bracket, the conical push block is arranged on the side of the telescopic push cylinder passing through the second positioning bracket, and a first positioning block is provided on the side of the conveying tray close to the conical push block, a conical groove is opened on one side of the first positioning block, and one side of the conical push block is inserted into the conical groove.

[0011] Preferably, an assembly groove is provided on the side of the first positioning bracket close to the conveying tray, and the mounting seat is horizontally placed in the assembly groove, a groove is provided on the side of the mounting seat close to the conveying tray, and two support grooves are symmetrically provided on both sides of the mounting seat close to the groove, and two support plates are horizontally movably inserted into the two support grooves, and one side of the two support plates extends out of the mounting seat, and two connecting shafts are symmetrically provided on both sides of the rotation support shaft, and the two connecting shafts are rotatably inserted into the two support plates through two bearings.

[0012] Preferably, two second positioning blocks are symmetrically provided on one side of the conveying tray close to the mounting seat through bolts, and matching grooves are provided on one side of the two second positioning blocks close to the contact sleeve. When the conical pushing block is inserted into the conical groove of the first positioning block and continues to move, the two second positioning blocks are respectively clamped with the outer peripheral side of the contact sleeve through the matching grooves.

[0013] Preferably, two constraint grooves are symmetrically opened on both sides of the support groove, a slider is provided on the side of the support plate close to the constraint groove, the two sliders are movably inserted into the two constraint grooves respectively, and a support spring is provided on the side of the support plate located in the support groove.

[0014] Preferably, three sliding grooves are symmetrically provided on the outer peripheral side of the self-rotating support shaft, and three mounting bars are symmetrically provided on one side of the contact sleeve connected to the self-rotating support shaft. The three mounting bars are movably inserted into the three sliding grooves respectively, and a plurality of ball grooves are provided on one side where the mounting bars are inserted into the sliding grooves. Sliding balls are rotatably inserted in the plurality of ball grooves, and one side of the plurality of sliding balls is in rolling contact with the inner side wall of the sliding groove respectively.

[0015] Preferably, the length of the contact sleeve is smaller than the length of the rotation support shaft, and lightweight return springs are sleeved on both sides of the rotation support shaft. The two sides of the lightweight return spring are respectively in contact with the contact sleeve and the support plate, and two anti-skid plates are symmetrically provided on both sides of the groove of the mounting seat, and two anti-skid sleeves are symmetrically provided on both sides of the outer peripheral surface of the contact sleeve, and when the conveying tray is positioned, one side of the anti-skid sleeve is in friction contact with the anti-skid plate.

[0016] Preferably, a guide oil groove is horizontally opened in the support plate on one side of the support spring, the connecting shaft is inserted into the side of the support plate and placed in the guide oil groove, two bearings are respectively located on both sides of the guide oil groove, the piston guide rod is horizontally arranged on one side of the support groove close to the guide oil groove, and the piston guide rod is movably inserted into the guide oil groove.

[0017] Preferably, an oil chamber is horizontally opened at the upper end of the mounting seat, a switching groove is horizontally opened in the piston guide rod, an oil filling groove is opened at the lower end of the oil chamber and vertically connected to the switching groove, a storage groove is horizontally opened in the mounting seat between the switching groove and the oil chamber, and a supplementary groove and an oil filling hole are opened at the upper and lower ends of the storage groove and are respectively connected to the two sides of the switching groove, a return spring is horizontally provided on the side of the switching groove close to the oil filling groove, a switching piston is connected to one side of the return spring, a tripod is provided in the center of the guide oil groove, a ejector pin is horizontally provided on one side of the tripod, the ejector pin is plugged into the switching groove and abuts the switching piston, and when the support plate is inserted into the support groove to the maximum extent, the switching piston blocks the side of the supplementary groove connected to the switching groove, and the side of the oil filling hole connected to the switching groove is exposed.

[0018] Preferably, a diverter groove is horizontally opened in the center of the self-rotating support shaft, a plurality of access holes are opened on one side of the self-rotating support shaft located in the guide oil groove and connected to the diverter groove, and a plurality of lubrication holes are opened in the diverter groove and connected to the sliding groove.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] When the conveyor pallet needs to be positioned for conveying, the conveyor belt first transports the conveyor pallet to the approximate position, and then the telescopic push cylinder controls the conical push block to push the conveyor pallet, so that the two second positioning blocks on one side of the conveyor pallet abut against the support positioning assembly, so that the conveyor pallet cooperates with the first positioning block to adjust the up and down height and left and right position, thereby completing the rapid positioning of the conveyor pallet and reducing wear. In addition, with the cooperation of the maintenance assembly, the connection between the self-rotating support shaft and the contact sleeve can be self-lubricated. The overall structure is compact, suitable for small product processing, with high positioning accuracy, and worry-free and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 For the present invention Figure 1Schematic diagram of part A;

[0023] Figure 3 It is a schematic diagram of a partial connection side cut of the conveying tray of the present invention;

[0024] Figure 4 For the present invention Figure 3 Schematic diagram of part B;

[0025] Figure 5 This is a schematic diagram of the installation structure of the conical push block of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of the conveying tray of the present invention;

[0027] Figure 7 This is a schematic diagram of the assembly slot installation structure of the present invention;

[0028] Figure 8 For the present invention Figure 7 Schematic diagram of the C part;

[0029] Fig. 9 This is a schematic diagram of the installation structure of the self-rotating support shaft and the contact sleeve of the present invention;

[0030] Fig.10 For the present invention Fig. 9 Schematic diagram of the D part;

[0031] Fig.11 This is a schematic diagram of the side cutting structure of the support plate installation of the present invention;

[0032] Fig.12 For the present invention Fig.11 Schematic diagram of part E;

[0033] Fig.13 For the present invention Fig.12 Schematic diagram of the F part;

[0034] Fig.14 This is an exploded view of the installation of the contact sleeve of the present invention;

[0035] Fig.15 For the present invention Fig.14 Schematic diagram of the G site.

[0036] In the figure: a first positioning bracket 1, a second positioning bracket 2, a conveyor belt 3, a conveyor tray 4, a telescopic push cylinder 5, a conical push block 6, a first positioning block 7, an assembly groove 8, a mounting seat 9, a second positioning block 10, a matching groove 11, a rotation support shaft 12, a contact sleeve 13, a sliding groove 14, a mounting strip 15, a sliding ball 16, a support plate 17, a slider 18, a lightweight return spring 19, an anti-slip sleeve 20, an anti-slip plate 21, a guide oil groove 22, a piston guide rod 23, an oil chamber 24, a switching groove 25, an oil filling groove 26, a storage groove 27, a replenishing groove 28, a switching piston 29, a return spring 30, a tripod 31, an ejector pin 32, a diverter groove 33, an access hole 34, a lubrication hole 35, a support spring 36, and a connecting shaft 37. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] Please refer to the attached Figure 1-Figure 15 , this application provides the following technical solutions.

[0039] Embodiment 1: A conveying and positioning mechanism for a small automatic production line comprises a first positioning bracket 1 and a second positioning bracket 2, wherein the first positioning bracket 1 and the second positioning bracket 2 are vertically symmetrically arranged, and conveyor belts 3 are horizontally arranged on opposite sides of the first positioning bracket 1 and the second positioning bracket 2, and conveyor pallets 4 are horizontally placed on the upper ends of the two conveyor belts 3. During processing, the conveyor pallet 4 is horizontally moved between the first positioning bracket 1 and the second positioning bracket 2 by the two conveyor belts 3, and the conveyor pallet 4 and the upper ends of the first positioning bracket 1 and the second positioning bracket 2 are provided with corresponding electronic positioning modules. When the conveyor pallet 4 moves between the first positioning bracket 1 and the second positioning bracket 2, the conveying capacity of the conveyor belt 3 can be stopped in time to perform basic positioning on the conveyor pallet 4.

[0040] A pushing assembly is provided to push the conveying tray 4 horizontally toward one side of the first positioning bracket 1, and the pushing assembly is provided on the side of the second positioning bracket 2 close to the conveying tray 4. The pushing assembly includes a telescopic pushing cylinder 5 and a conical pushing block 6, one side of the conical pushing block 6 is in contact with the first positioning block 7, the telescopic pushing cylinder 5 is horizontally provided on one side of the second positioning bracket 2, the telescopic rod of the telescopic pushing cylinder 5 movably passes through the second positioning bracket 2, and the conical pushing block 6 is provided on the side of the telescopic pushing cylinder 5 passing through the second positioning bracket 2. A first positioning block 7 is provided on the side of the conveying tray 4 close to the conical pushing block 6, a conical groove is provided on one side of the first positioning block 7, and one side of the conical pushing block 6 is inserted into the conical groove. When the conical pushing block 6 is inserted into the first positioning block 7, the conveying tray 4 can be properly aligning under the adaptation of the conical structure, wherein the conical angles of the conical groove and the conical pushing block 6 can be customized according to actual needs, but it must be ensured that the two are adapted.

[0041] A support and positioning assembly is provided to cooperate with the conical pushing block 6 and the first positioning block 7 to support and position the conveying tray 4 for lifting. The support and positioning assembly is horizontally arranged on the side of the first positioning bracket 1 close to the conveying tray 4 through bolts. The support and positioning assembly includes a mounting seat 9, a rotation support shaft 12 and a contact sleeve 13. Both sides of the mounting seat 9 are horizontally movably inserted with support plates 17. Both sides of the rotation support shaft 12 are movably inserted in the two support plates 17 respectively. The contact sleeve 13 is horizontally slidably sleeved with the rotation support shaft 12. An assembly groove 8 is provided on the side of the first positioning bracket 1 close to the conveying tray 4. The mounting seat 9 is horizontally placed in the assembly groove 8. A groove is provided on the side of the mounting seat 9 close to the conveying tray 4. Two support grooves are symmetrically provided on both sides of the mounting seat 9 close to the groove. The two support plates 17 are horizontally movably inserted in the two support grooves respectively. The two support plates 17 One side of the conveying tray 4 extends out of the mounting seat 9, and two connecting shafts 37 are symmetrically arranged on both sides of the self-rotating support shaft 12. The two connecting shafts 37 are respectively rotatably inserted into the two support plates 17 through two bearings. Two second positioning blocks 10 are symmetrically arranged on the side of the conveying tray 4 close to the mounting seat 9 through bolts. The two second positioning blocks 10 are provided with matching grooves 11 on the sides close to the contact sleeve 13. When the conical pushing block 6 is inserted into the conical groove of the first positioning block 7 and continues to move, the two second positioning blocks 10 are respectively engaged with the outer peripheral side of the contact sleeve 13 through the matching grooves 11. The self-rotating support shaft 12 is rotatably arranged, and the contact sleeve 13 is sleeved on the upper end of the self-rotating support shaft 12. When the second positioning block 10 contacts the contact sleeve 13, the self-rotating support shaft 12 can rotate, thereby reducing the wear between the second positioning block 10 and the contact sleeve 13 and improving the service life.

[0042] In addition, the height of the conical push block 6 and the contact sleeve 13 is higher than the center point height of the matching groove 11 and the first positioning block 7 in a natural state. When the matching groove 11 is docked with the contact sleeve 13 and the conical push block 6 is docked with the first positioning block 7, the bottom of the conveyor tray 4 is higher than the upper end of the conveyor belt 3. At the same time, under the clamping action of the conical push block 6 and the two ends of the contact sleeve 13, the horizontal and up and down height positions of the conveyor tray 4 are kept accurate and stable, and the up and down spacing of the matching groove 11 close to the contact sleeve 13 side is greater than the diameter of the contact sleeve 13.

[0043] Two constraint grooves are symmetrically provided on both sides of the support groove, a slider 18 is provided on one side of the support plate 17 close to the constraint groove, the two sliders 18 are movably inserted into the two constraint grooves respectively, and a support spring 36 is provided on one side of the support plate 17 located in the support groove, three sliding grooves 14 are symmetrically provided on the outer peripheral side of the rotation support shaft 12, three mounting strips 15 are symmetrically provided on one side of the contact sleeve 13 sleeved on the rotation support shaft 12, the three mounting strips 15 are movably inserted into the three sliding grooves 14 respectively, a plurality of ball grooves are provided on one side of the mounting strip 15 inserted into the sliding groove 14, a plurality of sliding balls 16 are rotatably inserted in the plurality of ball grooves, and one side of the plurality of sliding balls 16 are respectively in rolling contact with the inner side wall of the sliding groove 14, and the length of the contact sleeve 13 is less than The length of the self-rotating support shaft 12, both sides of the self-rotating support shaft 12 are sleeved with lightweight return springs 19, the two sides of the lightweight return spring 19 are respectively in contact with the contact sleeve 13 and the support plate 17, two anti-skid plates 21 are symmetrically provided on both sides of the groove of the mounting seat 9, and two anti-skid sleeves 20 are symmetrically provided on both sides of the outer circumference of the contact sleeve 13, and when the positioning of the conveying tray 4 is completed, one side of the anti-skid sleeve 20 is in friction contact with the anti-skid plate 21, when the second positioning block 10 is in contact with the contact sleeve 13, when the conveying tray 4 moves horizontally along the direction of the conveyor belt 3, it can be movably guided by the mounting strip 15 and the sliding ball 16, and slide along the sliding groove 14, thereby reducing the active wear in this direction between the second positioning block 10 and the contact sleeve 13.

[0044] In this embodiment: when the conveyor tray 4 moves to between the first positioning bracket 1 and the second positioning bracket 2 through the conveyor belt 3, the conveyor belt 3 is stopped immediately by the electronic positioning device. At this time, the conveyor tray 4 is in the basic positioning position, and then the conical push block 6 extends from the second positioning bracket 2 and is inserted into the conical groove of the first positioning block 7, and at the same time pushes the conveyor tray 4 to move to the contact sleeve 13 position. When the second positioning block 10 contacts the contact sleeve 13, the conveyor tray 4 is slightly lifted, and the contact sleeve 13 rotates with the self-rotating support shaft 12, lowering the second positioning block 10 and the contact sleeve. 13, and during the lifting period, if the conveying tray 4 is misaligned in the direction of the conveyor belt 3, under the conical abutment of the conical pushing block 6, the contact sleeve 13 can slide along the rotation support shaft 12, so as to avoid the second positioning block 10 getting stuck or excessively worn when adjusting its position by horizontal sliding along the contact sleeve 13. During this period, the support plate 17 maintains stable support under the action of the support spring 36. The support spring 36 is a high-strength support spring. The number of the telescopic push cylinder 5, the conical pushing block 6 and the first positioning block 7 can be set to multiple, so as to ensure the stable pushing and supporting positioning of the conveying tray 4.

[0045] Embodiment 2: On the basis of embodiment 1, a maintenance component is provided to lubricate the rotation of the rotation support shaft 12 and the horizontal sliding of the contact sleeve 13. The maintenance component is provided on the side of the mounting seat 9 close to the support plate 17, and the maintenance component shift block piston guide rod 23 and the switching piston 29. A guide oil groove 22 is horizontally opened on one side of the support plate 17 located on the support spring 36. The connecting shaft 37 is inserted into the side of the support plate 17 and is placed in the guide oil groove 22. Two bearings are respectively located on both sides of the guide oil groove 22. The piston guide rod 23 is horizontally provided in the support groove on one side close to the guide oil groove 22. The piston guide rod 23 is movably inserted into the guide oil groove 22. The support plate 17 can be stably guided and slid by the slider 18 and the piston guide rod 23, and the connection between the piston guide rod 23 and the support plate 17 is self-sealing sliding.

[0046] An oil chamber 24 is horizontally provided at the upper end of the mounting seat 9, a switching groove 25 is horizontally provided in the piston guide rod 23, an oil filling groove 26 is provided at the lower end of the oil chamber 24 and vertically connected to the switching groove 25, a storage groove 27 is horizontally provided in the mounting seat 9 between the switching groove 25 and the oil chamber 24, and a supplementary groove 28 and an oil filling hole are provided at the upper and lower ends of the storage groove 27 and are respectively connected to the two sides of the switching groove 25, a return spring 30 is horizontally provided on one side of the switching groove 25 close to the oil filling groove 26, and a switching piston 29 is connected to one side of the return spring 30, a tripod 31 is provided in the center of the guide oil groove 22, and a ejector pin 32 is horizontally provided on one side of the tripod 31, the ejector pin 32 is inserted into the switching groove 25 and abuts against the switching piston 29, when the support plate 17 is inserted into the support groove to the maximum extent, the switching piston 29 blocks the side of the supplementary groove 28 connected to the switching groove 25, and exposes the side of the oil filling hole connected to the switching groove 25, and when the support plate 17 is retracted When the support groove is at its maximum, the anti-slip sleeve 20 abuts against the anti-slip sleeve 20, and the contact sleeve 13 cannot slide or rotate left and right. At this time, the ejector pin 32 pushes the switching piston 29 together with the support plate 17, and the switching piston 29 blocks the supplementary groove 28. The lubricating oil in the oil chamber 24 will not enter the supplementary groove 28 and the storage groove 27 through the switching groove 25. When the support plate 17 is rebounded by the support spring 36 and moves away from the switching piston 29, the storage groove 27 is connected with the switching groove 25 and the oil chamber 24 through the supplementary groove 28, and the switching piston 29 blocks the oil replenishing hole. The lubricating oil in the oil chamber 24 enters the storage groove 27 from the switching groove 25 for temporary storage, waiting for the next switching piston 29 to open the oil replenishing hole. The lubricating oil in the support plate 17 enters the switching groove 25, and then flows into the guide oil groove 22 through the piston guide rod 23. The capacity of the support plate 17 is customizable, and a small amount of it is dripped into the switching groove 25 at a time, which is convenient for long-term intermittent use.

[0047] A shunt groove 33 is horizontally provided in the center of the self-rotating support shaft 12, and a plurality of access holes 34 are provided on one side of the connecting shaft 37 located in the guide oil groove 22, and a plurality of lubrication holes 35 are provided in the shunt groove 33, and the lubrication oil flowing into the guide oil groove 22 enters the shunt groove 33 from the access holes 34, and then drips from the plurality of lubrication holes 35 into the sliding groove 14 and contacts the sliding ball 16 when the self-rotating support shaft 12 rotates, thereby completing self-lubrication maintenance;

[0048] When the mating groove 11 is in contact with the contact sleeve 13, the conical pushing block 6 continues to push the conveying tray 4, and the support plate 17 compresses the support spring 36, so that the contact sleeve 13 connects to the rotation support shaft 12 and continues to move a certain distance. During this period, the switching piston 29 moves, and the anti-slip sleeve 20 and the anti-slip plate 21 abut against each other, keeping the position and posture of the contact sleeve 13 and the rotation support shaft 12 stable. At this time, the conveying tray 4 is in the final positioning stable posture.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small automatic production line conveying and positioning mechanism, characterized in that: include: A first positioning bracket (1) and a second positioning bracket (2), wherein the first positioning bracket (1) and the second positioning bracket (2) are arranged vertically symmetrically, and conveyor belts (3) are horizontally arranged on opposite sides of the first positioning bracket (1) and the second positioning bracket (2), and conveyor trays (4) are horizontally placed on the upper ends of the two conveyor belts (3); A pushing assembly, the pushing assembly being arranged on a side of the second positioning bracket (2) close to the conveying tray (4), the pushing assembly comprising a telescopic pushing cylinder (5) and a conical pushing block (6), one side of the conical pushing block (6) being in contact with the first positioning block (7); A support and positioning assembly, wherein the support and positioning assembly is horizontally arranged on a side of the first positioning bracket (1) close to the conveying tray (4) through bolts, and the support and positioning assembly comprises a mounting seat (9), a self-rotating support shaft (12) and a contact sleeve (13), both sides of the mounting seat (9) are horizontally movably plugged with support plates (17), both sides of the self-rotating support shaft (12) are movably plugged into two support plates (17), and the contact sleeve (13) is horizontally slidably sleeved on the self-rotating support shaft (12); A maintenance component is arranged on one side of the mounting seat (9) close to the support plate (17), and the maintenance component comprises a shift block piston guide rod (23) and a switching piston (29).

2. A small automatic production line conveying and positioning mechanism according to claim 1, characterized in that: The telescopic push cylinder (5) is horizontally arranged on one side of the second positioning bracket (2), the telescopic rod of the telescopic push cylinder (5) movably passes through the second positioning bracket (2), the conical push block (6) is arranged on the side of the telescopic push cylinder (5) passing through the second positioning bracket (2), and a first positioning block (7) is arranged on the side of the conveying tray (4) close to the conical push block (6), a conical groove is opened on one side of the first positioning block (7), and one side of the conical push block (6) is inserted into the conical groove.

3. A small automatic production line conveying and positioning mechanism according to claim 2, characterized in that: The first positioning bracket (1) is provided with an assembly groove (8) on a side close to the conveying tray (4), the mounting seat (9) is horizontally placed in the assembly groove (8), the mounting seat (9) is provided with a groove on a side close to the conveying tray (4), two support grooves are symmetrically provided on both sides of the mounting seat (9) close to the groove, two support plates (17) are respectively horizontally movably inserted into the two support grooves, one side of the two support plates (17) extends out of the mounting seat (9), and two connecting shafts (37) are symmetrically provided on both sides of the rotation support shaft (12), and the two connecting shafts (37) are respectively rotatably inserted into the two support plates (17) through two bearings.

4. A small automatic production line conveying and positioning mechanism according to claim 3, characterized in that: Two second positioning blocks (10) are symmetrically provided on one side of the conveying tray (4) close to the mounting seat (9) through bolts, and matching grooves (11) are provided on one side of the two second positioning blocks (10) close to the contact sleeve (13). When the conical push block (6) is inserted into the conical groove of the first positioning block (7) and continues to move, the two second positioning blocks (10) are respectively clamped with the outer peripheral side of the contact sleeve (13) through the matching grooves (11).

5. A small automatic production line conveying and positioning mechanism according to claim 4, characterized in that: Two restraining grooves are symmetrically provided on both sides of the support groove, a slider (18) is provided on one side of the support plate (17) close to the restraining groove, the two sliders (18) are movably inserted into the two restraining grooves respectively, and a support spring (36) is provided on one side of the support plate (17) located in the support groove.

6. A small automatic production line conveying and positioning mechanism according to claim 5, characterized in that: The outer peripheral side of the self-rotating support shaft (12) is symmetrically provided with three sliding grooves (14); one side of the contact sleeve (13) sleeved with the self-rotating support shaft (12) is symmetrically provided with three mounting bars (15); the three mounting bars (15) are respectively movably inserted into the three sliding grooves (14); one side of the mounting bars (15) inserted into the sliding grooves (14) is provided with a plurality of ball grooves; sliding balls (16) are rotatably inserted into the plurality of ball grooves; and one side of the plurality of sliding balls (16) is respectively in rolling contact with the inner side wall of the sliding groove (14).

7. A small automatic production line conveying and positioning mechanism according to claim 6, characterized in that: The length of the contact sleeve (13) is smaller than the length of the self-rotating support shaft (12), and lightweight return springs (19) are sleeved on both sides of the self-rotating support shaft (12). The two sides of the lightweight return spring (19) are in contact with the contact sleeve (13) and the support plate (17) respectively. Two anti-slip plates (21) are symmetrically arranged on both sides of the groove of the mounting seat (9), and two anti-slip sleeves (20) are symmetrically arranged on both sides of the outer peripheral surface of the contact sleeve (13), and when the conveying tray (4) is positioned, one side of the anti-slip sleeve (20) is in frictional contact with the anti-slip plate (21).

8. A small automatic production line conveying and positioning mechanism according to claim 7, characterized in that: A guide oil groove (22) is horizontally provided in the support plate (17) on one side of the support spring (36); a connecting shaft (37) is inserted into one side of the support plate (17) and placed in the guide oil groove (22); two bearings are respectively located on both sides of the guide oil groove (22); a piston guide rod (23) is horizontally arranged in the support groove on one side close to the guide oil groove (22); and the piston guide rod (23) is movably inserted into the guide oil groove (22).

9. A small automatic production line conveying and positioning mechanism according to claim 8, characterized in that: An oil chamber (24) is horizontally provided at the upper end of the mounting seat (9), a switching groove (25) is horizontally provided in the piston guide rod (23), an oil filling groove (26) is vertically connected to the switching groove (25) at the lower end of the oil chamber (24), a storage groove (27) is horizontally provided between the switching groove (25) and the oil chamber (24) in the mounting seat (9), a supplementary groove (28) and an oil filling hole are provided at the upper and lower ends of the storage groove (27) which are respectively connected to the two sides of the switching groove (25), and a water tank (28) is provided on one side of the switching groove (25) close to the oil filling groove (26). A return spring (30) is arranged horizontally, and a switching piston (29) is connected to one side of the return spring (30). A tripod (31) is arranged in the center of the guide oil groove (22), and a ejector pin (32) is arranged horizontally on one side of the tripod (31). The ejector pin (32) is inserted into the switching groove (25) and abuts against the switching piston (29). When the support plate (17) is inserted into the support groove to the maximum extent, the switching piston (29) blocks the side of the supplementary groove (28) connected to the switching groove (25), and exposes the side of the oil supplement hole connected to the switching groove (25).

10. A small automatic production line conveying and positioning mechanism according to claim 9, characterized in that: A flow divider groove (33) is horizontally provided in the center of the self-rotating support shaft (12), a side of the self-rotating support shaft (12) located in the guide oil groove (22) is connected to the flow divider groove (33) and is provided with a plurality of access holes (34), and a plurality of lubrication holes (35) are provided in the flow divider groove (33) and is connected to the sliding groove (14).

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