Chip mounter for circuit board production

Abstract

The utility model discloses a circuit board production chip mounter, which comprises a workbench, a chip mounting mechanism is arranged on the workbench, the chip mounting mechanism comprises two groups of supports, a longitudinal transmission system, a transverse transmission system, a mounting plate, a cylinder, a transmission plate and a suction nozzle, the supports are arranged on the workbench, the longitudinal transmission system is arranged on the supports, and the transverse transmission system is arranged on the mounting plate. The transverse transmission system is installed on the longitudinal transmission system, the installation plate is installed on the transverse transmission system in a sliding mode, the two sets of air cylinders are installed on the installation plate, the two sets of transmission plates are installed at the output ends of the two sets of air cylinders respectively, and the suction nozzles are installed on the transmission plates through the quick installation mechanism. And the quick assembly mechanism comprises a clamping sleeve, a clamping block, an unlocking block, an unlocking sleeve, a clamping rod, a clamping groove and a sliding sleeve, and the clamping sleeve is installed on the transmission plate, so that the technical problem that suction nozzles of different models are inconvenient to quickly disassemble and replace in the background technology is solved.

Description

Technical Field

[0001] The utility model relates to the technical field, and more particularly to a circuit board production placement machine. Background Art

[0002] In the existing technology, the placement machine is located after the dispensing machine or screen printer in the production line. It is a device that accurately places surface mount components on the circuit board by moving the suction nozzle. It is divided into manual and fully automatic types.

[0003] First, in the current PCB production placement machine technology, most equipment is designed and functions for placement operations on a single type of PCB. This means that if the production line needs to process PCBs of different sizes or shapes, it is necessary to adjust the equipment settings or replace specialized fixtures. This limitation not only reduces production efficiency, but also increases operational complexity and potential equipment downtime. In addition, for production lines with small batches or diversified products, this single PCB placement operation technology may lead to waste of resources and increased costs.

[0004] Moreover, during the operation of the placement machine, the suction nozzle is one of the key components, which is responsible for picking up and placing surface mount components from the feeder. However, the placement machines in the prior art are often not convenient for quick disassembly and replacement of suction nozzles of different models. This may be due to the complex fixed structure design of the suction nozzle, or the replacement process requires special tools and expertise. This inconvenience leads to a long equipment adjustment time and reduces the flexibility and efficiency of the production line. In addition, for production environments that require frequent replacement of suction nozzles, this inconvenience may become a bottleneck in production efficiency and increase the labor intensity of operators. Therefore, improving the existing technology and realizing the rapid replacement of suction nozzles of different models is of great significance to improving the flexibility and production efficiency of the placement machine. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the problems existing in the prior art, the utility model provides a circuit board production placement machine to solve the technical problem mentioned in the background art that it is inconvenient to quickly disassemble and replace suction nozzles of different models.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board production placement machine, comprising a workbench, a placement mechanism is provided on the workbench, and the placement mechanism includes a bracket, a longitudinal transmission system, a transverse transmission system, a mounting plate, a cylinder, a transmission plate and a suction nozzle, the bracket is provided with two groups mounted on the workbench, the longitudinal transmission system is mounted on the bracket, the transverse transmission system is mounted on the longitudinal transmission system, the mounting plate is slidably mounted on the transverse transmission system, the cylinder is provided with two groups mounted on the mounting plate, the transmission plate is provided with two groups respectively mounted on the two groups of cylinder output ends, the suction nozzle is mounted on the transmission plate by a quick-loading mechanism, the quick-loading mechanism includes a clamping sleeve, a clamping block, an unlocking block, an unlocking sleeve, a clamping rod, a clamping groove and a sliding sleeve, the clamping sleeve is mounted on the transmission plate, the clamping rod is arranged on the clamping sleeve, the unlocking block is mounted on the outer end of the clamping block, the unlocking sleeve is arranged on the outer wall of the clamping sleeve, the clamping rod is mounted on the top of the suction nozzle, the clamping groove is arranged on the top of the clamping rod, and the sliding sleeve is arranged on the outer wall of the unlocking sleeve.

[0009] The utility model is further configured such that the suction nozzles and quick-install mechanisms are provided with multiple groups arranged on the placement plate. This configuration enables the placement machine to process multiple circuit boards in parallel, greatly shortening the production cycle and improving production efficiency.

[0010] The utility model is further configured such that the clamping blocks are provided with a plurality of groups all of which are slidably mounted on the clamping sleeves. This design simplifies the nozzle replacement process, reduces equipment adjustment time, and improves production efficiency.

[0011] The utility model is further configured such that push springs are connected between the multiple groups of the clamping blocks and the clamping sleeves. The presence of the push springs enables the clamping blocks to quickly return to their initial positions after the suction nozzle is replaced, thereby improving replacement efficiency.

[0012] The utility model is further configured such that the outer wall of the sliding sleeve is provided with a limit block, and the limit blocks are provided in multiple groups. The snap sleeve is provided with a sliding rod, and the sliding rod is provided in multiple groups and is respectively slidably connected to the multiple groups of limit blocks. The multiple groups of sliding rods are provided with tension springs and the two ends are respectively connected to the snap sleeve and the limit block. This limiting mechanism ensures the stability and accuracy of the sliding sleeve during the process of replacing the suction nozzle, thereby improving the replacement efficiency.

[0013] The utility model is further configured such that an unlocking groove is provided on the unlocking sleeve, and multiple groups of unlocking grooves are provided. The top of the unlocking sleeve is configured as an inclined surface. This mechanical unlocking mechanism simplifies the nozzle replacement process, reduces equipment adjustment time, and improves production efficiency.

[0014] The utility model is further configured such that a locking mechanism is provided on the outer wall of the clamping sleeve, and the locking mechanism includes a control sleeve, an oblique block sleeve, an oblique push block, a rotating sleeve, a support rod and an arc plate. The control sleeve is rotatably mounted on the outer wall of the clamping sleeve, the oblique block sleeve is mounted on the top surface of the control sleeve, the oblique push blocks are provided with multiple groups mounted on the bottom surface of the sliding sleeve, the rotating sleeve is rotatably mounted on the top of the clamping sleeve, the support rods are provided with multiple groups mounted on the outer wall of the rotating sleeve, and the arc plates are provided with multiple groups and are respectively mounted on the bottom ends of the multiple groups of support rods. This mechanical locking mechanism improves the stability and accuracy of the suction nozzle during the replacement process, reduces the equipment adjustment time, and improves production efficiency.

[0015] The present invention is further configured as follows: a placement mechanism is provided on the workbench, and the placement mechanism includes a base, a screw, a transmission motor, a pad, a placement plate and a placement slot; the base is installed on the top surface of the workbench; two groups of screws are provided, both of which are rotatably installed on the base; two groups of transmission motors are provided, both of which are installed on the base and the output ends are respectively connected to the two groups of screws; two groups of pads are provided and are respectively threadedly connected and installed on the screws; two groups of placement plates are provided and are respectively installed on the two groups of pads; multiple groups of placement slots are provided and are respectively provided on the two groups of placement plates. This placement and transmission mechanism improves the stability and accuracy of the circuit board during the patch process, speeds up the patch speed, and improves production efficiency.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, this utility model provides a circuit board production placement machine with the following

[0018] Beneficial effects:

[0019] 1. The design of the patch mechanism enables the circuit board production patch machine to perform patch operations efficiently and accurately. Through the cooperation of the longitudinal transmission system and the transverse transmission system, the mounting plate can be flexibly moved longitudinally and transversely on the workbench, thereby realizing patch operations at different positions on the circuit board. The setting of the cylinder provides a stable power source, enabling the suction nozzle to quickly and accurately absorb and place patches. In addition, the setting of multiple groups of suction nozzles greatly improves production efficiency, enabling the patch machine to process multiple patches at the same time, further shortening the production cycle.

[0020] 2. The design of the quick-install mechanism greatly simplifies the replacement process of the suction nozzle and improves the flexibility and production efficiency of the equipment. The quick disassembly and installation of the suction nozzle are achieved through the cooperation of the clamping sleeve, the clamping block, the unlocking block, the unlocking sleeve, the clamping rod, the clamping groove and the sliding sleeve. When the suction nozzle needs to be replaced, it is only necessary to rotate the control sleeve. Under the action of the inclined block sleeve and the inclined push block, the sliding sleeve slides along the sliding rod. The cooperation between the inclined surface of the unlocking sleeve and the unlocking groove makes the clamping block slide outward, thereby releasing the clamping of the clamping rod, realizing the quick replacement of the suction nozzle. This design greatly reduces the equipment adjustment time and improves the continuous operation capacity of the production line.

[0021] 3. The design of the locking mechanism further enhances the stability and reliability of the quick-loading mechanism. Through the cooperation of the control sleeve, the inclined block sleeve, the inclined push block, the rotating sleeve, the support rod and the arc plate, the sliding sleeve is limited, thereby ensuring the stability and accuracy of the suction nozzle during the replacement process. When the suction nozzle is installed, the rotation of the rotating sleeve causes the support rod to drive the arc plate to rotate. When the arc plate abuts against the upper and lower sides of the limit block, the sliding sleeve is limited, thereby preventing the suction nozzle from loosening and shifting during the patch process. This design improves the operating efficiency and product quality of the placement machine.

[0022] 4. The design of the placement mechanism enables the circuit board to be placed on the placement machine stably and orderly, providing convenience for the placement operation. Through the cooperation of the base, screw, transmission motor, pad, placement plate and placement slot, the circuit board is placed quickly and accurately. The drive of the transmission motor causes the screw to rotate, driving the placement plate to move, further accelerating the placement speed of the circuit board. This design not only improves production efficiency, but also ensures the stability and accuracy of the circuit board during the placement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a circuit board production placement machine in the utility model;

[0024] Figure 2 It is a structural diagram of the patch mechanism in the utility model;

[0025] Figure 3 It is a structural diagram of the placement mechanism in the utility model;

[0026] Figure 4 This is a schematic structural diagram of the quick-loading mechanism in the present utility model;

[0027] Figure 5 This is a schematic cross-sectional view of the clamping sleeve in the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the sliding sleeve in the utility model

[0029] In the figure: 1. workbench; 2. bracket; 3. longitudinal transmission system; 4. transverse transmission system; 5. mounting plate; 6. cylinder; 7. transmission plate; 8. suction nozzle; 9. snap-in sleeve; 10. snap-in block; 11. unlocking block; 12. unlocking sleeve; 13. snap-in rod; 14. snap-in groove; 15. sliding sleeve; 16. push spring; 17. limit block; 18. slide rod; 19. unlocking groove; 20. control sleeve; 21. oblique block sleeve; 22. oblique push block; 23. rotating sleeve; 24. support rod; 25. arc plate; 26. base; 27. screw; 28. transmission motor; 29. ​​pad; 30. placement plate; 31. placement groove; 32. tension spring. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0032] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0033] See also Figure 1-6 A circuit board production placement machine includes a workbench 1, a placement mechanism is provided on the workbench 1, and the placement mechanism includes a bracket 2, a longitudinal transmission system 3, a transverse transmission system 4, a mounting plate 5, a cylinder 6, a transmission plate 7 and a suction nozzle 8. The bracket 2 is provided with two groups mounted on the workbench 1, the longitudinal transmission system 3 is mounted on the bracket 2, the transverse transmission system 4 is mounted on the longitudinal transmission system 3, the mounting plate 5 is slidably mounted on the transverse transmission system 4, the cylinder 6 is provided with two groups mounted on the mounting plate 5, and the transmission plate 7 is provided with two groups respectively mounted on the two groups. At the output end of the cylinder 6, the suction nozzle 8 is installed on the transmission plate 7 through a quick-install mechanism. The quick-install mechanism includes a clamping sleeve 9, a clamping block 10, an unlocking block 11, an unlocking sleeve 12, a clamping rod 13, a clamping groove 14 and a sliding sleeve 15. The clamping sleeve 9 is installed on the transmission plate 7, the clamping rod 13 is arranged on the clamping sleeve 9, the unlocking block 11 is installed on the outer end of the clamping block 10, the unlocking sleeve 12 is arranged on the outer wall of the clamping sleeve 9, the clamping rod 13 is installed on the top of the suction nozzle 8, the clamping groove 14 is arranged at the top of the clamping rod 13, and the sliding sleeve 15 is arranged on the outer wall of the unlocking sleeve 12.

[0034] There are multiple groups of suction nozzles 8 and quick-loading mechanisms arranged on the placement plate 30. The purpose of arranging multiple groups of suction nozzles and quick-loading mechanisms on the placement plate 30 is to achieve simultaneous placement operations on multiple circuit boards and improve production efficiency.

[0035] The clamping blocks 10 are provided with multiple groups, all of which are slidably mounted on the clamping sleeves 9. The sliding mounting design of the clamping blocks 10 allows for quick and convenient movement and positioning when the suction nozzle 8 is replaced.

[0036] Push springs 16 are connected between the multiple groups of clamping blocks 10 and the clamping sleeves 9. The setting of the push springs 16 provides a restoring force, so that the clamping blocks 10 can quickly return to the initial position after being unlocked.

[0037] The outer wall of the sliding sleeve 15 is provided with a limit block 17, and there are multiple groups of limit blocks 17. A sliding rod 18 is provided on the snap-fit ​​sleeve 9, and there are multiple groups of sliding rods 18 and they are respectively slidably connected with the multiple groups of limit blocks 17. The multiple groups of sliding rods are provided with tension springs 32 and the two ends are respectively connected to the snap-fit ​​sleeve 9 and the limit block 17. The setting of the limit block 17 and the sliding rod 18, and the connection of the tension spring 32 form a precise limiting mechanism to prevent the sliding sleeve 15 from excessive movement during the replacement of the suction nozzle 8.

[0038] An unlocking groove 19 is provided on the unlocking sleeve 12, and there are multiple groups of unlocking grooves 19. The top of the unlocking sleeve 12 is set as a slope. The setting of the unlocking groove 19 and the slope design of the top of the unlocking sleeve 12 form a mechanical unlocking mechanism, which allows quick unlocking when replacing the suction nozzle 8.

[0039] A locking mechanism is provided on the outer wall of the snap-fit ​​sleeve 9, which includes a control sleeve 20, an oblique block sleeve 21, an oblique push block 22, a rotating sleeve 23, a support rod 24 and an arc plate 25. The control sleeve 20 is rotatably installed on the outer wall of the snap-fit ​​sleeve 9, the oblique block sleeve 21 is installed on the top surface of the control sleeve 20, the oblique push block 22 is provided with multiple groups installed on the bottom surface of the sliding sleeve 15, the rotating sleeve 23 is rotatably installed on the top of the snap-fit ​​sleeve 9, the support rod 24 is provided with multiple groups installed on the outer wall of the rotating sleeve 23, and the arc plate 25 is provided with multiple groups and respectively installed on the bottom ends of multiple groups of support rods 24. The setting of the locking mechanism forms a mechanical locking mechanism to ensure the stability and accuracy of the suction nozzle 8 during the replacement process.

[0040] The traverse transmission system 4 is driven by the longitudinal transmission system 3 to move longitudinally, and the mounting plate 5 is driven by the traverse transmission system 4 to move laterally. The placement plate 30 is pushed by two sets of cylinders 6 to drive multiple sets of suction nozzles 8 to suck the patches. The mounting plate 5 is then driven by the traverse transmission system 4 to move so that the multiple sets of suction nozzles 8 drive the patches to move to the circuit board set on the placement mechanism. The multiple sets of suction nozzles 8 are pushed by two sets of cylinders 6 to stick the patches on the circuit board. When the suction nozzles 8 need to be replaced, the rotating control sleeve 20 drives the inclined block sleeve 21 to rotate, and the inclined block sleeve 21 abuts against the inclined surfaces set on the multiple sets of inclined push blocks 22, so that the multiple sets of inclined push blocks 22 push the sliding sleeve 15 to slide along the multiple sets of slide rods 18, driving the unlocking sleeve 12 so that the inclined surfaces set on its top abut against the multiple sets of unlocking grooves 19. 11 abuts and pushes outward, so that the multiple sets of clamping blocks 10 slide outward along the clamping sleeve 9 to release the clamping of the clamping groove 14, and the multiple sets of push springs 16 are squeezed, so that the clamping rod 13 set on the suction nozzle 8 can be pulled out of the clamping groove 14, and the suction nozzle 8 can be replaced. When the suction nozzle 8 is installed, the clamping rod 13 is inserted into the clamping sleeve 9, and the limit block 17 set on the sliding sleeve 15 is pulled by the multiple sets of tension springs 32, thereby driving the sliding sleeve 15 to make The unlocking sleeve 12 disengages from the multiple sets of unlocking blocks 11. At this time, the multiple sets of clamping blocks 10 are pushed by the push springs 16, so that the multiple sets of clamping blocks 10 are inserted into the clamping grooves 14, and the clamping rods 13 can be clamped. Then, the rotating sleeve 23 is rotated to drive the multiple sets of support rods 24 to rotate, and the multiple sets of support rods 24 drive the multiple sets of arc plates 25 to rotate. When the multiple sets of arc plates 25 are respectively in contact with the upper and lower sides of the multiple sets of limit blocks 17, the sliding sleeve 15 can be limited, thereby completing the rapid replacement of the suction nozzle 8.

[0041] See also Figure 3 As an implementation method of the placement mechanism: a placement mechanism is provided on the workbench 1, and the placement mechanism includes a base 26, a screw 27, a transmission motor 28, a pad 29, a placement plate 30 and a placement slot 31. The base 26 is installed on the top surface of the workbench 1, and two groups of screws 27 are provided, both of which are rotatably installed on the base 26. The transmission motor 28 is provided with two groups, both of which are installed on the base 26 and the output ends are respectively connected to the two groups of screws 27, two groups of pads 29 are provided and are respectively threadedly connected to the screws 27, two groups of placement plates 30 are provided and are respectively installed on the two groups of pads 29, and multiple groups of placement slots 31 are provided and are respectively provided on the two groups of placement plates 30. The setting of the placement mechanism forms a circuit board placement and transmission mechanism, so that the circuit boards can be placed on the placement machine stably and orderly.

[0042] More specifically, the circuit boards are placed in multiple groups of placement slots 31 set on two groups of placement plates 30 respectively, and the transmission motor 28 is started to drive the screw 27 to rotate. The screw 27 is threadedly connected with the pad 29 to drive the placement plate 30 to move, further accelerating the placement speed of the circuit board.

[0043] In summary, when the overall equipment is in use or running: first, the circuit board is placed on the placement mechanism, and then the patch is transported by the external conveying device in the idle place of the workbench 1, the longitudinal transmission system 3 drives the transverse transmission system 4 to move longitudinally, and the transverse transmission system 4 drives the mounting plate 5 to move laterally, and the two groups of cylinders 6 push the placement plate 30 to drive multiple groups of suction nozzles 8 to suck the patch, and then the transverse transmission system 4 drives the mounting plate 5 to move so that the multiple groups of suction nozzles 8 drive the patch to move to the circuit board set on the placement mechanism, and the two groups of cylinders 6 push the multiple groups of suction nozzles 8 to stick the patch on the circuit board. When the suction nozzle 8 needs to be replaced, the rotating control sleeve 20 drives the inclined block sleeve 21 to rotate, and the inclined block sleeve 21 abuts against the inclined surface set on the multiple groups of inclined push blocks 22, so that the multiple groups of inclined push blocks 22 push the sliding sleeve 15 to slide along the multiple groups of slide rods 18, driving the unlocking sleeve 12 so that the inclined surface set on its top is aligned with the multiple groups of unlocking grooves 19. The multiple sets of unlocking blocks 11 abut and push outward, so that the multiple sets of clamping blocks 10 slide outward along the clamping sleeve 9 to release the clamping of the clamping groove 14, and the multiple sets of push springs 16 are squeezed, so that the clamping rod 13 set on the suction nozzle 8 can be pulled out of the clamping groove 14, and the suction nozzle 8 can be replaced. When the suction nozzle 8 is installed, the clamping rod 13 is inserted into the clamping sleeve 9, and the limit block 17 set on the sliding sleeve 15 is pulled by the multiple sets of tension springs 32, thereby driving the sliding sleeve 15 The unlocking sleeve 12 is separated from the multiple sets of unlocking blocks 11. At this time, the multiple sets of clamping blocks 10 are pushed by the push springs 16, so that the multiple sets of clamping blocks 10 are inserted into the clamping grooves 14, and the clamping rods 13 can be clamped. Then, the rotating sleeve 23 is rotated to drive the multiple sets of support rods 24 to rotate, and the multiple sets of support rods 24 drive the multiple sets of arc plates 25 to rotate. When the multiple sets of arc plates 25 are respectively in contact with the upper and lower sides of the multiple sets of limit blocks 17, the sliding sleeve 15 can be limited, thereby completing the rapid replacement of the suction nozzle 8.

[0044] The circuit boards are placed in the multiple groups of placement slots 31 set on the two groups of placement plates 30 respectively, and the transmission motor 28 is started to drive the screw 27 to rotate. The screw 27 is threadedly connected with the pad 29 to drive the placement plate 30 to move, further accelerating the placement speed of the circuit board.

[0045] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A circuit board production placement machine, comprising a workbench (1), characterized in that: The workbench (1) is provided with a patch mechanism, which includes a bracket (2), a longitudinal transmission system (3), a transverse transmission system (4), a mounting plate (5), a cylinder (6), a transmission plate (7) and a suction nozzle (8). The bracket (2) is provided with two groups of components mounted on the workbench (1), the longitudinal transmission system (3) is mounted on the bracket (2), the transverse transmission system (4) is mounted on the longitudinal transmission system (3), the mounting plate (5) is slidably mounted on the transverse transmission system (4), the cylinder (6) is provided with two groups of components mounted on the mounting plate (5), the transmission plate (7) is provided with two groups of components respectively mounted on the output ends of the two groups of cylinders (6), the suction nozzle (8) is provided with two groups of components respectively mounted on the output ends of the two groups of cylinders (6), and the suction nozzle (8) is provided with two groups of components respectively mounted on the output ends of the two groups of cylinders (6). ) is installed on a transmission plate (7) by being provided with a quick-install mechanism, the quick-install mechanism comprising a clamping sleeve (9), a clamping block (10), an unlocking block (11), an unlocking sleeve (12), a clamping rod (13), a clamping groove (14) and a sliding sleeve (15), the clamping sleeve (9) is installed on the transmission plate (7), the clamping rod (13) is arranged on the clamping sleeve (9), the unlocking block (11) is installed on the outer end of the clamping block (10), the unlocking sleeve (12) is arranged on the outer wall of the clamping sleeve (9), the clamping rod (13) is installed on the top end of the suction nozzle (8), the clamping groove (14) is arranged on the top end of the clamping rod (13), and the sliding sleeve (15) is arranged on the outer wall of the unlocking sleeve (12).

2. A circuit board production placement machine according to claim 1, characterized in that: The suction nozzle (8) and the quick-install mechanism are both provided with multiple groups and are arranged on the placement plate (30).

3. A circuit board production placement machine according to claim 2, characterized in that: The clamping blocks (10) are provided with a plurality of groups, all of which are slidably mounted on the clamping sleeves (9).

4. A circuit board production placement machine according to claim 3, characterized in that: multiple groups A push spring (16) is connected between the clamping block (10) and the clamping sleeve (9).

5. A circuit board production placement machine according to claim 4, characterized in that: The outer wall of the sliding sleeve (15) is provided with a limit block (17), and the limit block (17) is provided in multiple groups. The clamping sleeve (9) is provided with a slide rod (18), and the slide rod (18) is provided in multiple groups and is respectively slidably connected to the multiple groups of the limit blocks (17). The multiple groups of slide rods are all provided with tension springs (32) (32) and the two ends are respectively connected to the clamping sleeve (9) and the limit block (17).

6. A circuit board production placement machine according to claim 5, characterized in that: The unlocking sleeve (12) is provided with an unlocking groove (19), and the unlocking groove (19) is provided in multiple groups. The top end of the unlocking sleeve (12) is provided as an inclined surface.

7. A circuit board production placement machine according to claim 6, characterized in that: The outer wall of the clamping sleeve (9) is provided with a locking mechanism, and the locking mechanism comprises a control sleeve (20), an inclined block sleeve (21), an inclined push block (22), a rotating sleeve (23), a support rod (24) and an arc plate (25). The control sleeve (20) is rotatably mounted on the outer wall of the clamping sleeve (9), the inclined block sleeve (21) is mounted on the top surface of the control sleeve (20), the inclined push block (22) is provided with multiple groups mounted on the bottom surface of the sliding sleeve (15), the rotating sleeve (23) is rotatably mounted on the top of the clamping sleeve (9), the support rod (24) is provided with multiple groups mounted on the outer wall of the rotating sleeve (23), and the arc plate (25) is provided with multiple groups and is respectively mounted on the bottom ends of multiple groups of the support rods (24).

8. A circuit board production placement machine according to claim 7, characterized in that: The workbench (1) is provided with a placement mechanism, which comprises a base (26), a screw (27), a transmission motor (28), a pad (29), a placement plate (30) and a placement slot (31). The base (26) is installed on the top surface of the workbench (1). Two groups of screws (27) are provided, both of which are rotatably installed on the base (26). Two groups of transmission motors (28) are provided, both of which are installed on the base (26) and the output ends are respectively connected to the two groups of screws (27). Two groups of pads (29) are provided, and are respectively threadedly connected and installed on the screws (27). Two groups of placement plates (30) are provided, each of which is respectively installed on the two groups of pads (29). Multiple groups of placement slots (31) are provided, and are respectively provided on the two groups of placement plates (30).

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