Automatic assembly machine for inserting rod wheel

Abstract

The present invention discloses an automatic assembly machine for a plug-in rod wheel, comprising an assembly slide, an automatic plug-in rod feeding component, an automatic bracket feeding assembly component, an automatic material shifting component, a bracket riveting component, a roller automatic feeding component and a roller automatic riveting component; the automatic plug-in rod feeding component is used to grab and place the plug-in rod parts on the assembly slide, the automatic bracket feeding assembly component is used to grab and assemble the bracket parts into the plug-in rod parts on the assembly slide, the automatic material shifting component is used to sequentially transfer the parts placed on the assembly slide to the next step, the bracket riveting component is used to rivet the bracket and the plug-in rod parts together, the roller automatic feeding component is used to assemble the roller parts conveyed by the conveying device onto the bracket, the roller automatic riveting component is used to rivet the bracket and the roller parts together, and the plug-in rod wheel after riveting is moved and output by the automatic material shifting component. The present invention can efficiently and automatically complete the assembly of the plug-in rod wheel, with high assembly efficiency and stable and consistent assembly quality.

Description

Technical Field

[0001] The invention relates to the technical field of caster production equipment, in particular to an automatic assembly machine for inserting rod wheels. Background Art

[0002] Casters are common mechanical parts, widely used in industry and daily life. In order to improve the production efficiency of various types of casters, many manufacturers in this industry, including the applicant, are constantly developing and improving caster automation production equipment.

[0003] The plug-in caster is a type of caster with relatively few components, a wide range of applications, and a relatively large demand for use. In the prior art, the production and assembly of the plug-in caster is still mainly done by manual assembly due to the lack of suitable automatic assembly equipment. During manual assembly, the plug-in caster, bracket, and roller need to be assembled together manually, which results in low production and assembly efficiency. Therefore, in order to improve the assembly quality and assembly efficiency of the plug-in caster, the applicant further developed an automated assembly equipment suitable for the automatic production and assembly of the plug-in caster. Summary of the invention

[0004] In order to solve the above-mentioned problems, the purpose of the present invention is to provide an automatic assembly machine for an insertion rod wheel, which includes automatic assembly mechanisms such as automatic positioning and conveying, automatic assembly, etc. of the various components constituting the insertion rod wheel, which can efficiently and automatically complete the assembly of the insertion rod wheel, with high assembly efficiency and stable and consistent assembly quality.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A plug-in rod wheel automatic assembly machine comprises an assembly slide, an automatic plug-in rod feeding component, an automatic bracket feeding assembly component, an automatic material moving component, a bracket riveting component, a roller automatic feeding component and a roller automatic riveting component; the automatic plug-in rod feeding component is used to grab the plug-in rod parts and place them on the assembly slide, the automatic bracket feeding assembly component is used to grab the bracket parts and assemble them into the plug-in rod parts on the assembly slide, the automatic material moving component is used to sequentially move the parts placed on the assembly slide to the next step, the bracket riveting component is used to rivet the bracket placed on the assembly slide with the plug-in rod parts together, the roller automatic feeding component is used to assemble the roller parts conveyed by the conveying device onto the bracket, the roller automatic riveting component is used to rivet the bracket with the roller parts together, and the plug-in rod wheel after riveting is moved and output by the automatic material moving component.

[0007] Furthermore, the automatic insertion rod loading component includes an insertion rod conveying vibration plate, an insertion rod linear conveying mechanism, an insertion rod moving material dividing mechanism and an insertion rod grabbing and transporting mechanism. The insertion rod conveying vibration plate conveys the insertion rod parts to the insertion rod linear conveying mechanism in sequence, the insertion rod moving material dividing mechanism separates and transports the insertion rod parts conveyed by the insertion rod linear conveying mechanism in sequence, and the insertion rod grabbing and transporting mechanism grabs the insertion rod parts conveyed by the insertion rod moving material dividing mechanism and places them onto the assembly slide.

[0008] Furthermore, a retaining spring is pre-installed in the insertion rod part, and the insertion rod automatic feeding component is provided with a visual inspection device for detecting whether the retaining spring is qualified. The retaining spring visual inspection device is provided with an insertion rod part positioning fixture and a CCD visual inspection instrument, and the insertion rod grabbing and transporting mechanism is provided with two sets of parallel grabbing mechanisms that can grab the insertion rod parts and place them on the insertion rod part positioning fixture and the assembly slide in turn.

[0009] Furthermore, the automatic loading and assembly components of the bracket include a bracket part conveying vibration plate, a bracket part linear conveying mechanism and a bracket part grabbing and transporting mechanism. The bracket part conveying vibration plate conveys the bracket parts to the bracket part linear conveying mechanism in sequence, and the bracket part grabbing and transporting mechanism grabs and assembles the brackets conveyed by the bracket part linear conveying mechanism into the inserted rod parts on the assembly slide.

[0010] Furthermore, the automatic material moving component includes a front-and-rear moving component, a left-and-right moving component and a step moving component, the step moving component is provided with a mounting plate, the mounting plate is provided with a fork for moving the insertion rod and the bracket parts according to the step, the step moving component is installed on the left-and-right moving component, the left-and-right moving component is installed on the front-and-rear moving component, the left-and-right moving component is provided with a left-and-right moving cylinder, and the front-and-rear moving component is provided with a front-and-rear moving cylinder.

[0011] Furthermore, the bracket riveting component is provided with a riveting positioning fixture and an automatic riveting machine, and the automatic riveting machine is provided with a riveting die head.

[0012] Furthermore, the roller automatic feeding component includes a conveyor belt, a roller transfer and transport mechanism and a roller grabbing and feeding mechanism. The conveyor belt transports the roller parts to the roller transfer and transport mechanism, and the roller transfer and transport mechanism transports them to the transfer processing table. The roller grabbing and feeding mechanism is provided with a swing cylinder, a telescopic cylinder, a grabbing cylinder and a clamp with combined motion. The roller grabbing and feeding mechanism utilizes the combined action of the cylinders to grab and assemble the roller parts on the transfer processing table onto the bracket.

[0013] Furthermore, an oiling device for adding lubricating oil to the roller is provided on the transfer processing table.

[0014] Furthermore, the roller automatic riveting component is provided with a rivet conveying component, an automatic riveting component and a riveting pressing component. The rivet conveying component is provided with a rivet conveying clamp connected to an external rivet automatic supply device. The automatic riveting component is provided with an automatic riveting device and an extended riveting rod arranged at the output end of the automatic riveting device. The front end head of the extended riveting rod passes through the rivet conveying clamp to press the rivet into the axial hole of the bracket part and the roller. The riveting pressing pressing component presses the rivet end on the other side of the bracket part. The riveting pressing pressing component cooperates with the automatic riveting component to use rivets to rivet the bracket part and the roller together.

[0015] Furthermore, the insert rod automatic feeding component, the bracket automatic feeding assembly component, the automatic material moving component, the bracket riveting component, the roller automatic feeding component and the roller automatic riveting component are connected to the controller, and the controller controls the insert rod automatic feeding component, the bracket automatic feeding assembly component, the automatic material moving component, the bracket riveting component, the roller automatic feeding component and the roller automatic riveting component to automatically operate according to the assembly sequence.

[0016] The present invention has the following beneficial effects:

[0017] 1. The present invention can efficiently and stably realize the automatic transportation and automatic positioning, loading and assembly of components such as the plug rod, the bracket and the roller, and can perform automatic riveting, and can efficiently and automatically complete the assembly of the plug rod wheel, with high assembly efficiency and stable and consistent assembly quality, by providing an assembly slideway, an automatic plug rod feeding component, an automatic bracket feeding assembly component, an automatic material moving component, a bracket riveting component, a roller automatic feeding component and a roller automatic riveting component that match the plug rod wheel components.

[0018] 2. The automatic rod loading components and bracket automatic loading assembly components of the present invention can automatically and reliably grab the rod parts and bracket parts and place them on the assembly slide through the conveying vibration plate, the linear conveying mechanism and the grabbing and handling mechanism. The linear conveying mechanism is specially designed according to the part structure, and the automatic loading is stable and reliable.

[0019] 3. The automatic material moving component of the present invention can continuously reciprocate the transmission rod, bracket and roller parts on the assembly slide. The various parts in the assembly process continuously slide forward according to the spacing on the assembly slide, and can accurately position and transmit the various parts in sequence between the component mechanisms, and can accurately transport them into place to ensure smooth assembly.

[0020] 4. The present invention provides a rivet positioning fixture and an automatic rivet machine in the rivet component of the bracket, which can reliably fix and connect the insert rod part and the bracket part together.

[0021] 5. The roller automatic feeding mechanism of the present invention can accurately grab the roller and place it at the installation position of the bracket. When grabbing, the roller is flipped 90 degrees from flat to upright, and the flat input of the roller is convenient for stable transportation; the roller automatic riveting component can accurately transport the rivet to the installation position and can reliably rivet the bracket and the roller together. After riveting, the roller and the bracket are firmly connected, and the roller and the bracket can maintain free rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a top view schematic diagram of the automatic assembly machine for inserting rod wheels of the present invention;

[0023] Figure 2 It is a three-dimensional schematic diagram of the automatic assembly machine for inserting rod wheels of the present invention;

[0024] Figure 3 It is a three-dimensional schematic diagram of the automatic feeding component of the plunger of the present invention;

[0025] Figure 4 It is a three-dimensional schematic diagram of the automatic feeding assembly parts of the bracket of the present invention;

[0026] Figure 5 It is a three-dimensional schematic diagram of the automatic material moving component of the present invention;

[0027] Figure 6 It is a three-dimensional schematic diagram of the screw riveting component of the bracket of the present invention;

[0028] Figure 7 It is a three-dimensional schematic diagram of the roller automatic feeding component of the present invention;

[0029] Figure 8 It is a three-dimensional schematic diagram of the roller automatic riveting component of the present invention.

[0030] Description of reference numerals:

[0031] 1. Assembly slide; 2. Automatic feeding parts for insert rods; 21. Vibrating plate for insert rods; 22. Linear conveying mechanism for insert rods; 23. Moving material distribution mechanism for insert rods; 24. Grabbing and handling mechanism for insert rods; 241. Grabbing mechanism; 25. Visual inspection device; 251. Positioning fixture for insert rod parts; 252. CCD visual inspection instrument; 3. Automatic feeding and assembly parts for brackets; 31. Vibrating plate for bracket parts; 32. Linear conveying mechanism for bracket parts; 33. Grabbing and handling mechanism for bracket parts; 4. Automatic material transfer parts; 41. Forward and backward moving parts; 411. Forward and backward moving cylinder; 42. Left and right moving parts; 421. Left and right moving cylinder; 43. Step shift Material parts; 431, mounting plate; 432, shift fork; 5, bracket riveting parts; 51, riveting positioning fixture; 52, automatic riveting machine; 53, riveting die head; 6, roller automatic feeding parts; 61, conveyor belt; 62, roller transfer and handling mechanism; 63, roller grabbing and feeding mechanism; 631, swing cylinder; 632, telescopic cylinder; 633, grabbing cylinder; 634, clamping claw; 64, transfer processing table; 65, oiling device; 7, roller automatic riveting parts; 71, rivet conveying parts; 711, rivet conveying nozzle; 72, automatic riveting parts; 721, automatic riveting device; 722, extended riveting rod; 73, riveting and tightening parts. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0033] See also Figure 1-8 As shown, a rod-insertion wheel automatic assembly machine comprises an assembly slide 1, an automatic rod-insertion feeding component 2, an automatic bracket feeding assembly component 3, an automatic material moving component 4, a bracket riveting component 5, a roller automatic feeding component 6 and a roller automatic riveting component 7; the automatic rod-insertion feeding component 2 is used to grab the rod-insertion parts and put them on the assembly slide 1, and the assembly slide 1 is provided with a supporting slide plate for supporting and positioning each part, the automatic bracket feeding assembly component 3 is used to grab and assemble the bracket parts into the rod-insertion parts on the assembly slide 1, the automatic material moving component 4 is used to sequentially move the parts placed on the assembly slide 1 to the next step, the bracket riveting component 5 is used to rivet the bracket placed on the assembly slide 1 with the rod-insertion parts together, the roller automatic feeding component 6 is used to assemble the roller parts conveyed by the conveying device onto the bracket, and the roller automatic riveting component 7 is used to rivet the bracket with the roller parts together, and the rod-insertion wheel after riveting is moved and output via the automatic material moving component 4.

[0034] The plug rod automatic loading component 2 includes a plug rod conveying vibration plate 21, a plug rod linear conveying mechanism 22, a plug rod moving material dividing mechanism 23 and a plug rod grabbing and transporting mechanism 24. The plug rod conveying vibration plate 21 conveys the plug rod parts to the plug rod linear conveying mechanism 22 in sequence, the plug rod moving material dividing mechanism 23 separates and transports the plug rod parts conveyed by the plug rod linear conveying mechanism 22 in sequence, and the plug rod grabbing and transporting mechanism 24 grabs the plug rod parts conveyed by the plug rod moving material dividing mechanism 23 and places them on the assembly slide 1.

[0035] A retaining ring is pre-installed in the insertion rod part, and the insertion rod automatic feeding component 2 is provided with a visual inspection device 25 for detecting whether the retaining ring is qualified. The retaining ring visual inspection device 25 is provided with an insertion rod part positioning fixture 251 and a CCD visual inspection instrument 252, and the insertion rod grabbing and transporting mechanism 24 is provided with two sets of parallel grabbing mechanisms 241 that can grab the insertion rod parts and place them in turn into the insertion rod part positioning fixture 251 and the assembly slide 1.

[0036] The bracket automatic feeding assembly component 3 includes a bracket part conveying vibration plate 31, a bracket part linear conveying mechanism 32 and a bracket part grabbing and transporting mechanism 33. The bracket part conveying vibration plate 31 conveys the bracket parts to the bracket part linear conveying mechanism 32 in sequence, and the bracket part grabbing and transporting mechanism 33 grabs and assembles the brackets conveyed by the bracket part linear conveying mechanism 32 into the inserted rod parts on the assembly slide 1.

[0037] The insertion rod conveying vibration plate 21, the insertion rod linear conveying mechanism 22, the bracket part conveying vibration plate 31 and the bracket part linear conveying mechanism 32 are special conveying equipment customized according to the automatic conveying direction of the parts.

[0038] The automatic material moving component 4 includes a front-and-rear moving component 41, a left-and-right moving component 42 and a step moving component 43. The step moving component 43 is provided with a mounting plate 431, and the mounting plate 431 is provided with a shift fork 432 for moving the insertion rod and the bracket parts according to the step. The step moving component 43 is installed on the left-and-right moving component 42, and the left-and-right moving component 42 is installed on the front-and-rear moving component 41. The left-and-right moving component 42 is provided with a left-and-right moving cylinder 421, and the front-and-rear moving component 41 is provided with a front-and-rear moving cylinder 411.

[0039] The bracket riveting component 5 is provided with a riveting positioning fixture 51 and an automatic riveting machine 52, and the automatic riveting machine 52 is provided with a riveting die head 53. The automatic riveting machine 52 is a commercially available product.

[0040] The roller automatic feeding component 6 includes a conveyor belt 61, a roller transfer and handling mechanism 62 and a roller grabbing and feeding mechanism 63. The conveyor belt 61 transports the roller parts to the roller transfer and handling mechanism 62, and the roller transfer and handling mechanism 62 transports the roller parts to the transfer processing table 64. The roller grabbing and feeding mechanism 63 is provided with a swing cylinder 631, a telescopic cylinder 632, a grabbing cylinder 633 and a clamping claw 634 with combined motion. The roller grabbing and feeding mechanism 63 grabs and assembles the roller parts on the transfer processing table 64 onto the bracket by using the combined action of the cylinders. The conveyor belt 61 adopts a conventional design, and the input end of the conveyor belt 61 can be connected to an automatic supply device for automatically conveying rollers, such as a vibrating plate feeding device.

[0041] The transfer processing table 64 is provided with an oiling device 65 for adding lubricating oil to the roller, and the oiling device 65 is provided with an oiling gun and a matching driving mechanism.

[0042] The roller automatic riveting component 7 is provided with a rivet conveying component 71, an automatic riveting component 72 and a riveting pressing component 73. The rivet conveying component 71 is provided with a rivet conveying clamp 711 connected to an external rivet automatic supply device. The automatic riveting component 72 is provided with an automatic riveting device 721 and an extended riveting rod 722 arranged at the output end of the automatic riveting device 721. The front end of the extended riveting rod 722 passes through the rivet conveying clamp 711 to press the rivet into the axial hole of the bracket part and the roller. The riveting pressing component 73 supports the rivet end on the other side of the bracket part. The riveting pressing component 73 cooperates with the automatic riveting component 72 to rivet the bracket part and the roller together with rivets. The external rivet automatic supply device and the automatic riveting device 721 are purchased commercially. The riveting pressing component 73 is provided with a tightening cylinder, a guide rail, a riveting pressing rod and other structures.

[0043] The insert rod automatic feeding component 2, the bracket automatic feeding assembly component 3, the automatic material moving component 4, the bracket riveting component 5, the roller automatic feeding component 6 and the roller automatic riveting component 7 are connected to the controller, and the controller controls the insert rod automatic feeding component 2, the bracket automatic feeding assembly component 3, the automatic material moving component 4, the bracket riveting component 5, the roller automatic feeding component 6 and the roller automatic riveting component 7 to automatically operate according to the assembly sequence.

[0044] The cylinder connection and installation structures, connection structures, and related pneumatic and electrical controls in the components such as the automatic rod feeding component 2, the bracket automatic feeding assembly component 3, the automatic material moving component 4, the bracket riveting component 5, the roller automatic feeding component 6, and the roller automatic riveting component 7 of this embodiment are all conventionally designed by technicians in the field of special equipment and non-standard equipment, and some auxiliary structures not described can be known from the accompanying drawings.

[0045] When the present invention is used, after starting the equipment, under the control of the controller, the automatic rod feeding component 2 places the rod on the grabbing assembly slide 1, the bracket automatic feeding assembly component 3 grabs and assembles the bracket parts into the rod parts on the assembly slide 1, and the automatic material moving component 4 continuously moves back and forth to continuously push the various parts on the assembly slide 1 to slide forward; when the parts reach the riveting position, the bracket riveting component 5 rivets the rod and the bracket together; when the parts reach the assembly position of the roller automatic feeding component 6, the roller automatic feeding component 6 grabs the roller and places it at the installation position on the bracket, and then the roller automatic riveting component 7 can accurately transport the rivet to the installation position, and can reliably rivet the bracket and the roller together. After the riveting is completed, the casters are collected, and the sequential operations are continuously carried out for efficient automatic assembly.

[0046] The above description is only a specific implementation mode of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic assembly machine for a rod wheel, characterized in that: The invention comprises an assembly slideway (1), an automatic rod feeding component (2), an automatic bracket feeding assembly component (3), an automatic material moving component (4), a bracket riveting component (5), a roller automatic feeding component (6) and a roller automatic riveting component (7); the automatic rod feeding component (2) is used to grab and place the rod parts on the assembly slideway (1); the automatic bracket feeding assembly component (3) is used to grab and assemble the bracket parts into the rod parts on the assembly slideway (1); the automatic material moving component (4) is used to sequentially transfer the parts placed on the assembly slideway (1) to the next step; the bracket riveting component (5) is used to rivet the bracket placed on the assembly slideway (1) and the rod parts together; the automatic roller feeding component (6) is used to rivet the bracket placed on the assembly slideway (1) and the rod parts together; the automatic roller feeding component (7 ... 6) is used to assemble the roller parts conveyed by the conveying device onto the bracket, the roller automatic riveting component (7) is used to rivet the bracket and the roller parts together, and the inserted rod wheel after riveting is moved and output through the automatic material moving component (4), the inserted rod automatic feeding component (2) comprises an inserted rod conveying vibration plate (21), an inserted rod linear conveying mechanism (22), an inserted rod moving material dividing mechanism (23) and an inserted rod grabbing and transporting mechanism (24), the inserted rod conveying vibration plate (21) sequentially conveys the inserted rod parts to the inserted rod linear conveying mechanism (22), the inserted rod moving material dividing mechanism (23) sequentially separates and transports the inserted rod parts conveyed by the inserted rod linear conveying mechanism (22), and the inserted rod grabbing and transporting mechanism (24) sequentially conveys the inserted rod parts conveyed by the inserted rod linear conveying mechanism (22). The plug rod parts conveyed by the dynamic material distribution mechanism (23) are grabbed and placed on the assembly slideway (1), the plug rod parts are pre-installed with a retaining spring, the plug rod automatic feeding component (2) is provided with a visual inspection device (25) for detecting whether the retaining spring is qualified, the visual inspection device (25) is provided with a plug rod part positioning fixture (251) and a CCD visual inspection instrument (252), the plug rod grabbing and transporting mechanism (24) is provided with two sets of parallel grabbing mechanisms (241) that can sequentially grab and place the plug rod parts on the plug rod part positioning fixture (251) and the assembly slideway (1), the bracket automatic feeding assembly component (3) comprises a bracket part conveying vibration plate (31), a bracket part linear conveying mechanism (32) and a bracket part grabbing and transporting mechanism (241). The transport mechanism (33) comprises a support part conveying vibration plate (31) that sequentially conveys the support parts to the support part linear conveying mechanism (32), the support part grabbing and transporting mechanism (33) grabs and assembles the support delivered by the support part linear conveying mechanism (32) into the plug rod part on the assembly slideway (1), the automatic material shifting component (4) comprises a front-rear moving component (41), a left-right moving component (42) and a step material shifting component (43), the step material shifting component (43) is provided with a mounting plate (431), the mounting plate (431) is provided with a shifting fork (432) that moves the plug rod and the support parts according to the step, and the step material shifting component (43) is installed on the left-right moving component (42).The left-right moving component (42) is installed on the front-back moving component (41), the left-right moving component (42) is provided with a left-right moving cylinder (421), the front-back moving component (41) is provided with a front-back moving cylinder (411), the bracket riveting component (5) is provided with a riveting positioning fixture (51) and an automatic riveting machine (52), and the automatic riveting machine (52) is provided with a riveting die head (53).

2. The automatic assembly machine for inserting rod wheels according to claim 1, characterized in that: The roller automatic feeding component (6) comprises a conveyor belt (61), a roller transfer and transport mechanism (62) and a roller grabbing and feeding mechanism (63). The conveyor belt (61) transports the roller parts to the roller transfer and transport mechanism (62), and the roller transfer and transport mechanism (62) transports the roller parts to a transfer processing table (64). The roller grabbing and feeding mechanism (63) is provided with a swing cylinder (631), a telescopic cylinder (632), a grabbing cylinder (633) and a clamp (634) that move in combination. The roller grabbing and feeding mechanism (63) grabs and assembles the roller parts on the transfer processing table (64) onto a bracket by using the combined action of the cylinders. The transfer processing table (64) is provided with an oiling device (65) for adding lubricating oil to the rollers.

3. The automatic assembly machine for inserting rod wheels according to claim 1, characterized in that: The roller automatic riveting component (7) is provided with a rivet conveying component (71), an automatic riveting component (72) and a riveting pressing component (73); the rivet conveying component (71) is provided with a rivet conveying clamp (711) connected to an external rivet automatic supply device; the automatic riveting component (72) is provided with an automatic riveting device (721) and an extended riveting rod (722) arranged at the output end of the automatic riveting device (721); the front end of the extended riveting rod (722) passes through the rivet conveying clamp (711) to press the rivet into the axial hole of the bracket part and the roller; the riveting pressing component (73) presses the rivet end on the other side of the bracket part; the riveting pressing component (73) cooperates with the automatic riveting component (72) to use rivets to rivet the bracket part and the roller together.

4. The automatic assembly machine for inserting rod wheels according to claim 1, characterized in that: The plunger automatic feeding component (2), the bracket automatic feeding assembly component (3), the automatic material moving component (4), the bracket riveting component (5), the roller automatic feeding component (6) and the roller automatic riveting component (7) are connected to a controller for control. The controller controls the plunger automatic feeding component (2), the bracket automatic feeding assembly component (3), the automatic material moving component (4), the bracket riveting component (5), the roller automatic feeding component (6) and the roller automatic riveting component (7) to automatically operate according to an assembly sequence.

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