Driving rotary picking mechanism

Abstract

The utility model discloses a driving rotary picking mechanism which comprises an installation plate, a rotary table mechanism, a plurality of sets of swing arm assemblies and a plurality of sets of cam mechanisms. The turntable mechanism is provided with a first power source and a rotating part in driving connection with the first power source; the multiple swing arm assemblies are installed on the rotating part in a liftable mode, and each swing arm assembly is provided with a first self-resetting structure; the cam mechanism is provided with a support installed on the installation plate, a second power source arranged on the support, a cam in driving connection with the second power source and a pressing rod assembly installed on the support in a lifting mode, the cam abuts against the pressing rod assembly, the cam can drive the pressing rod assembly to descend through rotation, and the pressing rod assembly is provided with a second self-resetting structure. The pressing rod assembly abuts against at least one swing arm assembly, and the swing arm assemblies are driven to descend through descending of the pressing rod assembly. The driving and rotating pickup mechanism is simple in structure and suitable for various membrane types, meanwhile, the takt time and the yield of feeding and supplying of small-size parts such as lenses can be increased, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field, and specifically relates to a kind of drive rotary pickup mechanism. BACKGROUND

[0002] With the continuous progress of modern production manufacturing process, in order to continuously improve production efficiency, the requirement of automatic equipment production pace is also higher and higher, and the action pace requirement of pickup mechanism as the component with high usage rate in automatic equipment is also higher and higher naturally.

[0003] But the pickup mechanism commonly seen at present is driven by cylinder or motor plus lead screw, which is slow and inefficient. Therefore, it is necessary to design a fast and efficient pickup mechanism. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a drive rotary pickup mechanism. The purpose of designing the drive rotary pickup mechanism is to drive the buffer swing arm mechanism to move back and forth in the Z direction through the servo cam mechanism, the buffer swing arm mechanism absorbs or places the product, and the turntable mechanism drives the buffer swing arm mechanism to rotate in a circle, realizing high-speed handling of the product.

[0005] To solve the above technical problems, the utility model realizes the following scheme: the utility model discloses a drive rotary pickup mechanism, which comprises a mounting plate and further comprises:

[0006] A turntable mechanism, which has a first power source fixed to the mounting plate and a rotating part drivingly connected with the first power source;

[0007] A plurality of swing arm assemblies installed on the rotating part in a liftable manner, each swing arm assembly being provided with a first self-resetting structure capable of being lifted;

[0008] A plurality of cam mechanisms, each cam mechanism having a bracket installed on the mounting plate, a second power source arranged on the bracket, a cam drivingly connected with the second power source, a pressure rod assembly installed on the bracket in a liftable manner, the cam and the pressure rod assembly being in abutment, and the cam being capable of driving the pressure rod assembly to descend by rotating, the pressure rod assembly being provided with a second self-resetting structure capable of being lifted, and the pressure rod assembly being in abutment with at least one swing arm assembly, and the swing arm assembly being driven to descend by the descent of the pressure rod assembly.

[0009] Further, the first power source is a DD motor.

[0010] Further, two opposite sides of the rotating part are each provided with two first Z-axis guide rails, and a plurality of swing arm assemblies are one-to-one slidingly connected with the first Z-axis guide rails.

[0011] Further, the rotating part is further provided with a first limiting structure for limiting the Z-axis displacement of the swing arm assembly.

[0012] Further, the swing arm assembly comprises:

[0013] An L-shaped connecting piece is slidably connected to the first Z-axis guide rail through a first sliding block, and the upper end of the L-shaped connecting piece and the first sliding block are provided with rigid gaskets.

[0014] A swing arm is connected to the L-shaped connecting piece through a spring piece, and a buffer structure and a second limiting structure are arranged between the swing arm and the L-shaped connecting piece.

[0015] An air connector is fixed to the outer end upper part of the swing arm.

[0016] At least one suction head is fixed to the outer end lower part of the swing arm, and the air connector is communicated with the suction head.

[0017] Further, the first self-resetting structure comprises two tension springs, one end of the tension springs is connected to the rotating part, and the other end of the tension springs is connected to the first sliding block.

[0018] Further, the buffer structure comprises a compression spring arranged at the lower side of the front extending end of the L-shaped connecting piece and a pressure adjusting shaft capable of adjusting the pressure of the compression spring.

[0019] Further, the second power source is a servo motor, the shell part of the servo motor is fixed to the support, the driving shaft of the servo motor penetrates through the support and drives the cam.

[0020] Further, the support is provided with a second Z-axis guide rail.

[0021] The pressure rod assembly is slidably connected to the second Z-axis guide rail through a second sliding block, and the pressure rod assembly comprises:

[0022] A triangular support is connected to a roller at the top end, and the lower two corner parts are outwardly extended and connected with pressure rods.

[0023] Further, the lower end of the support is connected with a supporting plate vertically extending from the support, and two spring positioning columns are arranged on the supporting plate.

[0024] The second self-resetting structure comprises two compression springs, the lower ends of the two compression springs are respectively sleeved into the two spring positioning columns, and the upper ends of the two compression springs abut against the triangular support.

[0025] Compared with the prior art, the utility model has the beneficial effects that:

[0026] The utility model discloses a drive rotary pickup mechanism is applicable to the pickup, placement and other processes of product of automation equipment. Through the cam mechanism drive swing arm assembly makes the reciprocating motion of Z axis, and swing arm assembly absorbs or places product, and the swing arm assembly circumferential rotation of rotary table mechanism drive is moved, realizes the high -speed handling to product, improves the efficiency of grabbing. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structural diagram of the utility model drive rotary pickup mechanism.

[0028] Figure 2 It is the structural diagram of the utility model rotary table mechanism.

[0029] Figure 3 It is the structural diagram of the utility model swing arm assembly.

[0030] Figure 4 It is the structural diagram of the utility model cam mechanism.

[0031] Figure 5 It is Figure 1 The enlarged view of A of

[0032] Mark in the drawing: mounting plate 1, cam mechanism 2, rotary table mechanism 3, swing arm assembly 4, support 21, servo motor 22, second Z axle guide rail 23, cam 24, triangular support 25, press bar 26, compression spring 27, DD motor 31, rotation part 32, first Z axle guide rail 33, limit screw 34, pressure adjustment axle 41, tension spring 42, L type connecting piece 43, compression spring 44, swing arm 45, gas connector 46, adsorption head 47, limit screw 48, rigid gasket 49. DETAILED DESCRIPTION

[0033] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model is more clearly defined. Obviously, the described embodiments of the utility model are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0035] Embodiment 1: the specific structure of the utility model is as follows:

[0036] Please refer to the attached Figures 1-5The utility model discloses a kind of drive rotary pickup mechanisms, including mounting plate 1, the mounting plate 1 is H-shaped structure plate, further including rotary table mechanism 3, multiple sets of swing arm assemblies 4 and cam mechanism 2.

[0037] The rotary table mechanism 3 has a first power source fixed to the mounting plate 1 and a rotating part 32 drivenly connected with the first power source;The first power source is a DD motor 31, and the DD motor 31 drives the rotating part 32 to rotate circumferentially. Two opposite sides of the rotating part 32 are each provided with two first Z-axis guide rails 33, and the multiple sets of swing arm assemblies 4 are one-to-one slidingly connected to each first Z-axis guide rail 33. The first Z-axis guide rail 33 uses a cross roller guide rail. The rotating part 32 is further provided with a first limiting structure for limiting the Z-axis displacement of the swing arm assembly 4. As shown in the figure, the first limiting structure includes a tab provided on one side of the rotating part 32, and a limiting screw 34 is mounted on the tab. The first slider on the first Z-axis guide rail 33 can be blocked by the limiting screw 34 after rising. Figure 2

[0038] The multiple sets of swing arm assemblies 4 are liftable and mounted on the rotating part 32, and each swing arm assembly 4 is provided with a first self-resetting structure capable of rising by itself. As shown in the figure, the swing arm assembly 4 is provided with four sets, and the four sets of swing arm assemblies 4 are distributed in an "X" shape. Figure 1

[0039] Specifically, the swing arm assembly 4 includes:

[0040] An L-shaped connecting piece 43 is slidingly connected to the first Z-axis guide rail 33 by a first slider, and the upper ends of the L-shaped connecting piece 43 and the first slider are each provided with a rigid gasket 49, and the rigid gasket 49 uses a steel gasket;

[0041] A swing arm 45 is connected to the L-shaped connecting piece 43 by a spring piece, and a buffer structure and a second limiting structure are provided between the swing arm 45 and the L-shaped connecting piece 43. The second limiting structure is a limiting screw 48 mounted on the horizontal part of the L-shaped connecting piece 43, and the buffer distance of the swing arm 45 can be limited by adjusting the limiting screw 48;

[0042] A gas connector 46 is fixed to the outer end upper part of the swing arm 45.

[0043] At least one suction head 47 is fixed to the outer end lower part of the swing arm 45, and the gas connector 46 communicates with the suction head 47. The suction end of the suction head 47 is provided with a vacuum chuck.

[0044] The first self-resetting structure includes two tension springs 42, which are separately arranged on the two sides of the swing arm 45, one end of each tension spring 42 is connected to the rotating part 32, and the other end is connected to the first slider. As shown in the figure, Figure 3 ​​As shown, the tension spring 42 is in a stretched state when not subjected to external force, i.e. the first sliding block is pulled to abut against the limit screw 34 when the swing arm assembly 4 is not subjected to external force.

[0045] The buffer structure comprises a compression spring 44 arranged at the lower side of the front end of the L-shaped connecting piece 43 and a pressure adjusting shaft 41 for adjusting the pressure of the compression spring 44. The compression spring 44 functions to buffer the swing arm 45 when swinging, thereby avoiding rigid collision of the swing arm 45.

[0046] The cam mechanism 2 is provided with two groups, the cam mechanism 2 comprises a bracket 21 mounted on the mounting plate 1, a second power source arranged on the bracket 21, a cam 24 drivingly connected with the second power source, a pressure rod assembly mounted on the bracket 21 and capable of lifting, the cam 24 and the pressure rod assembly abut against each other and the cam 24 is capable of driving the pressure rod assembly to descend by rotating, the pressure rod assembly comprises a second self-resetting structure capable of lifting up, the pressure rod assembly abuts against at least one swing arm assembly 4, and the swing arm assembly 4 is driven to descend by the descent of the pressure rod assembly.

[0047] The second power source is a servo motor 22, the housing of which is fixed on the bracket 21, and the driving shaft of which penetrates through the bracket 21 and drivingly connects with the cam 24.

[0048] The bracket 21 is provided with a second Z-axis guide rail 23;

[0049] The pressure rod assembly is slidingly connected with the second Z-axis guide rail 23 through a second sliding block, and comprises:

[0050] A triangular bracket 25, the top end of which is connected with a roller, and the lower two corners of which extend outward and are respectively connected with a pressure rod 26. The pressure rod 26 is opposite to the rigid gasket 49, and Figure 1 As shown, two pressure rods 26 on one group of pressure rod assemblies are opposite to the rigid gaskets 49 on two groups of swing arm assemblies 4.

[0051] The lower end of the bracket 21 is connected with a supporting plate vertically extending from the bracket 21, and the supporting plate is provided with two spring positioning columns;

[0052] The second self-resetting structure comprises two compression springs 27, the lower ends of which are respectively sleeved into the two spring positioning columns, and the upper ends of which abut against the triangular bracket 25. The compression spring 27 is in a compressed state, and when the outermost end of the cam 24 moves upward, the compression spring 27 will push the triangular bracket 25 upward, so that the roller keeps abutting against the cam 24.

[0053] Embodiment 2:

[0054] The working principle of the driving rotary pickup mechanism is as follows:

[0055] AsFigures 1-5 As shown, taking the lens loading as an example, the utility model drive rotating pickup mechanism, cooperate with the feeding platform mechanism of X / Y / theta axis and the feeding platform mechanism of X / Y axis, through the taking material CCD alignment, the feeding platform moves the small lens dispersed to the vacuum chuck center of the utility model drive rotating pickup mechanism.

[0056] DD motor 31 on cam mechanism 2 drives cam 24 to rotate, the convex end of cam 24 drives the roller to descend, the roller drives triangular support 25 to descend, two pressure rods 26 at the lower end of triangular support 25 descend synchronously, then L-shaped connecting piece 43 is pressed downward, L-shaped connecting piece 43 drives swing arm 45 to move downward, so that the vacuum chuck at the outer end of swing arm 45 contacts small lens, after the two vacuum chucks of the same side suck small lens, then ascend again, rotary table mechanism 3 drives swing arm assembly 4 to rotate 180 degrees, so that the pair of swing arms 45 after taking material rotate to the feeding platform above and feed, at this time, the idle pair of swing arms 45 rotates to the taking material position and takes material, four swing arms 45 work uninterruptedly, realize the high-speed feeding of lens.

[0057] In summary, the utility model drive rotating pickup mechanism is applicable to the pickup, placement and other processes of product by automatic equipment, swing arm assembly makes Z-axis reciprocating motion by cam mechanism drive, swing arm assembly sucks or places product, rotary table mechanism drives swing arm assembly to rotate circularly, realize the high-speed handling of product, improve the grabbing efficiency.

[0058] The above only is the preferred implementation of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent flow conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A drive for a rotary pick-up mechanism comprising a mounting plate (1), characterised in that, Also include: The rotating mechanism has a first power source fixed to the mounting plate (1) and a rotating part (32) drivingly connected with the first power source; A plurality of groups of swing arm assemblies (4) are installed on the rotating part (32) and can be lifted, each swing arm assembly (4) is provided with a first self-resetting structure capable of being lifted; The cam mechanism (2) is provided with a plurality of groups, the cam mechanism (2) has a bracket (21) installed on the mounting plate (1), a second power source provided on the bracket (21), a cam (24) drivingly connected with the second power source, a pressure rod assembly installed on the bracket (21) and capable of being lifted, the cam (24) and the pressure rod assembly abut and the cam (24) can drive the pressure rod assembly to descend by rotating, the pressure rod assembly has a second self-resetting structure capable of being lifted, and the pressure rod assembly abuts at least one swing arm assembly (4) and drives the swing arm assembly (4) to descend by descending.

2. A drive rotary pick-up mechanism according to claim 1, wherein The first power source is a DD motor (31).

3. A drive rotary pick-up mechanism according to claim 1, wherein Two opposite sides of the rotating part (32) are provided with two first Z-axis guide rails (33), and a plurality of groups of swing arm assemblies (4) are slidably connected with the first Z-axis guide rails (33) in one-to-one correspondence.

4. A drive rotary pick-up mechanism according to claim 3, wherein The rotating part (32) is further provided with a first limiting structure for limiting the Z-axis displacement of the swing arm assembly (4).

5. A drive rotary pick-up mechanism according to claim 3, wherein The swing arm assembly (4) comprises: An L-shaped connecting piece (43) is slidably connected with the first Z-axis guide rail (33) through a first sliding block, and the L-shaped connecting piece (43) and the upper end of the first sliding block are provided with rigid washers (49); A swing arm (45) is connected with the L-shaped connecting piece (43) through a spring piece, and a buffer structure and a second limiting structure are further provided between the swing arm (45) and the L-shaped connecting piece; An air connector (46) is fixed to the outer end upper portion of the swing arm (45); At least one suction head (47) is fixed to the outer end lower portion of the swing arm (45), and the air connector (46) communicates with the suction head (47).

6. A drive rotary pick-up mechanism according to claim 5, wherein The first self-resetting structure comprises two tension springs (42) which are separately arranged on the two sides of the swing arm (45), one end of each tension spring (42) is connected with the rotating part (32), and the other end is connected with the first sliding block.

7. A drive rotary pick-up mechanism according to claim 5, wherein The buffer structure comprises a compression spring (44) arranged on the lower side of the front extending end of the L-shaped connecting piece (43) and a pressure adjusting shaft (41) capable of adjusting the pressure of the compression spring (44).

8. The drive rotary pick-up mechanism of claim 1, wherein, The second power source is a servo motor (22), the shell part of which is fixed to the bracket (21), the drive shaft of which penetrates through the bracket (21) and drivingly connects with the cam (24).

9. A drive rotary pick-up mechanism according to claim 8, wherein The bracket (21) is provided with a second Z-axis guide rail (23); The pressure rod assembly is slidably connected with the second Z-axis guide rail (23) through a second sliding block and comprises: A triangular bracket (25) having a top end connected with a roller and two lower corner portions extending outward and connected with pressure rods (26), respectively.

10. A drive rotary pick-up mechanism according to claim 9, wherein The lower end of the bracket (21) is connected with a supporting plate vertically extending from the bracket (21), and two spring positioning columns are arranged on the supporting plate; The second self-resetting structure comprises two compression springs (27), the lower ends of which are respectively sleeved into the two spring positioning columns, and the upper ends of which abut against the triangular support (25).

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