Loop line jig starting and stopping moving mechanism

Abstract

The utility model discloses a loop line jig start-stop moving mechanism which comprises a workbench, a motor, an annular chain, an annular sliding rail, a sliding base, a positioning assembly, a transmission assembly and a pressure assembly. The motor, the annular chain, the annular sliding rail, the sliding base, the positioning assembly, the transmission assembly and the pressure assembly are located on the workbench. The motor drives the annular chain to rotate; the transmission assembly comprises a bottom plate, a transmission seat, a pressing rod, a mounting seat, a chain wheel, a movable rod, a friction plate and an elastic piece. The bottom plate is mounted on the sliding seat; the transmission seat is mounted on the bottom plate and is provided with a positioning hole; the first end of the pressing rod is hinged to the transmission seat; the chain wheel is mounted on the mounting seat and meshed with the annular chain; the movable rod is movably arranged in the mounting base and the chain wheel in a penetrating mode, and the second end of the pressing rod is connected with the upper end of the movable rod; the friction plate is installed on the movable rod and used for being matched with the chain wheel. The elastic piece can provide upward elastic force for the movable rod; the positioning assembly comprises a positioning head matched with the positioning hole and a positioning driving device; the pressure assembly comprises a pressing block matched with the pressing rod and a pressure driving device. According to the utility model, the annular chain can be kept in a rotating state during working.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile mechanisms, in particular to a start-stop mobile mechanism for a loop fixture. Background Art

[0002] Existing automated production lines generally include linear and circular types. The linear type is not suitable for multi-station processing, while the circular type can reduce the floor space and is suitable for multi-station production. Therefore, circular guide rail mechanisms are currently used in many places for automated production.

[0003] Application publication number CN116177103A discloses a circular guide rail mechanism, which specifically includes a workbench, a driving gear and a driven gear mounted on the upper end surface of the workbench, a motor mounted on the lower end surface of the workbench, the motor driving the driving gear, and a circular chain connecting the driving gear and the driven gear. The upper end surface of the workbench is mounted with a slide rail, which includes a straight section and an arc section, which are connected to form a ring. The slide rail is located outside the chain, and a slide seat is slid on the slide rail. The slide seat is connected to the chain, and when the chain rotates, it drives the slide seat to slide along the slide rail. A positioning mechanism is mounted on the side of the workbench, and the positioning mechanism has a positioning rod, and the side of the slide seat has a positioning groove, and the top of the positioning rod movably engages the positioning groove of the slide seat. The positioning mechanism includes a first positioning mechanism and a second positioning mechanism, each of which has a positioning rod. The slide seat includes a fixed plate, and rollers are mounted below the fixed plate. The rollers are located on both sides of the slide rail. A positioning plate is mounted on one side of the fixed plate, and the outer side of the positioning plate has a positioning groove. A connecting plate is installed on the other side of the fixing plate. A strip hole is opened on the connecting plate. A connecting rod is installed in the strip hole. The lower end of the connecting rod is fixed on the chain.

[0004] However, the above-mentioned annular guide mechanism still has some disadvantages. For example, since each slide on the annular guide mechanism is positioned by using a positioning rod to be inserted into the positioning groove of the slide, and the motor and chain also need to stop accordingly. However, when the chain is connected to the slides of multiple stations at the same time, if the chain stops, each slide will need to stop synchronously. After the chain starts, each slide will move synchronously again. Therefore, this causes each slide to start or stop synchronously with the chain. This, in turn, means that if the processing time of each station is different, the station with a faster processing time must wait for the station with a slower processing time to complete processing before it can move simultaneously, causing inconvenience in production. Utility Model Content

[0005] In response to the problems existing in the above-mentioned prior art, the purpose of the present utility model is to provide a start-stop moving mechanism for a ring wire fixture, which can allow the ring chain to continue to rotate during operation, and the slide of the workstation does not need to start or stop synchronously with the ring chain. That is, in the case of multiple slides, each slide can be started or stopped individually, thereby facilitating production and manufacturing, and is particularly conducive to its use on processing equipment with workstations with different processing times.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A loop fixture start-stop moving mechanism comprises a workbench and a motor, an endless chain, an endless slide rail, a slide seat, a positioning assembly, a transmission assembly and a pressure assembly respectively located on the workbench; the motor is used to drive the endless chain to rotate; the endless slide rail is located on the outside of the endless chain; the transmission assembly comprises a base plate, a transmission seat, a pressure rod, a mounting seat, a sprocket, a movable rod, a friction plate and an elastic member; the base plate can be mounted on the slide seat; the transmission seat is mounted on the base plate and a positioning hole is provided on the transmission seat; the first end of the pressure rod is hinged on the transmission seat so that the pressure rod can be turned up and down; the mounting seat is mounted on the base plate; the sprocket is mounted on the The movable rod is mounted on the mounting seat and meshed with the circular chain; the movable rod can be movably installed in the mounting seat and the sprocket respectively, and the second end of the pressure rod is connected to the upper end of the movable rod; the friction plate is mounted on the lower end of the movable rod and is used to cooperate with the sprocket; the elastic member is mounted on the mounting seat and can be used to provide an upward elastic force for the movable rod; the positioning assembly includes a positioning head that can be used to reciprocate in the direction of the circular slide rail and cooperates with the positioning hole, and a positioning drive device for driving the positioning head to move; the pressure assembly includes a pressure block that can move up and down and cooperates with the second end of the pressure rod, and a pressure drive device for driving the pressure block. The above arrangement allows the circular chain to maintain a continuous rotation state during operation, and the pressure assembly and the positioning assembly are used to cooperate with the transmission assembly so that the slide can move or stop accordingly as needed, that is, the slide does not need to start or stop synchronously with the circular chain.

[0008] Furthermore, a first bearing for cooperating with the pressing block is provided on the second end of the pressing rod, and an arcuate surface corresponding to the outer contour of the first bearing is provided on the bottom of the pressing block. The above arrangement facilitates the pressing block to push the pressing rod downward.

[0009] Furthermore, a stopper is provided on the top of the movable rod, and the side of the stopper extends outward from the movable rod; and the elastic member is installed between the bottom of the stopper and the mounting seat.

[0010] Furthermore, a second bearing is provided on the top of the stopper, so that the pressure rod can contact the second bearing when pushing the movable rod, thereby improving the smoothness of the two.

[0011] Furthermore, the elastic member is a spring.

[0012] Furthermore, the positioning head is a bearing.

[0013] Furthermore, the bottom of the sprocket is a connecting block; the connecting block is used to correspond with the friction plate.

[0014] Furthermore, the pressing block is connected to the pressure driving device via a connecting plate, and the connecting plate is mounted on an auxiliary slide rail so as to be movable up and down, thereby improving the movement stability of the pressing block.

[0015] Furthermore, a plurality of the slide seats are distributed on the annular slide rail; and the number of the transmission components, the pressure components and the positioning components corresponds to that of the slide seats.

[0016] Furthermore, the positioning drive device and the pressure drive device are both cylinders.

[0017] The beneficial effects of the utility model are:

[0018] The utility model utilizes the coordination between the ring chain, motor, ring slide, slide, positioning assembly, transmission assembly, and pressure assembly so that the motor can drive the ring chain to continuously rotate during operation, and the pressure assembly and positioning assembly can be used in conjunction with the transmission assembly to enable the slide to move or stop accordingly as needed. Even in the case of multiple slides, the use of multiple pressure assemblies, positioning assemblies, and transmission assemblies allows each slide to be started or stopped independently, thereby facilitating production and manufacturing. It is particularly advantageous for use in processing equipment with stations having different processing times, allowing stations with faster processing times to move without having to wait for stations with slower processing times to complete processing before moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the local structure of the utility model Figure 1 ;

[0021] Figure 3 This is a schematic diagram of the local structure of the utility model Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the local structure of the utility model Figure 3 ;

[0023] Figure 5 This is a schematic diagram of the local structure of the utility model Figure 4 ;

[0024] Figure 6 This is a schematic diagram of the local structure of the utility model Figure 5 ;

[0025] Figure 7 yes Figure 6 Longitudinal cross-section of .

[0026] Reference numerals

[0027] 1. Workbench; 2. Ring chain; 3. Motor; 4. Ring slide; 5. Slide; 6. Transmission assembly; 60. Base plate; 61. Transmission seat; 611. Positioning hole; 62. Pressure rod; 63. Mounting seat; 64. Sprocket; 641. Connecting block; 65. Movable rod; 66. Friction plate; 67. Elastic member; 68. First bearing; 69. Stop block; 70. Second bearing; 7. Positioning assembly; 71. Positioning head; 72. Positioning drive device; 8. Pressure assembly; 81. Pressure block; 811. Arc surface; 82. Pressure drive device; 83. Connecting plate; 84. Auxiliary slide. DETAILED DESCRIPTION

[0028] The utility model will be further described below with reference to the accompanying drawings and specific embodiments. The following description is merely illustrative and does not limit the scope of protection of the utility model.

[0029] like Figure 1-Figure 7 As shown, a start-stop moving mechanism for a loop fixture includes a workbench 1 and a motor 3, an annular chain 2, an annular slide rail 4, a slide seat 5, a positioning component 7, a transmission component 6 and a pressure component 8 respectively located on the workbench 1.

[0030] The following is an introduction to each component, as follows:

[0031] The motor 3 is used to drive the ring chain 2 to rotate; the ring slide rail 4 is located outside the ring chain 2 , that is, the ring chain 2 is located in the inner circle of the ring slide rail 4 .

[0032] like Figure 1-Figure 7As shown, preferably, the transmission assembly 6 includes a base plate 60, a transmission seat 61, a pressure rod 62, a mounting seat 63, a sprocket 64, a movable rod 65, a friction plate 66 and an elastic member 67; the base plate 60 can be used to be mounted on the slide 5; the transmission seat 61 is mounted on the base plate 60 and a positioning hole 611 is provided on the transmission seat 61; the first end of the pressure rod 62 is hinged on the transmission seat 61 so that the pressure rod 62 can be turned up and down; the mounting seat 63 is mounted on the base plate 60; the sprocket 64 is mounted on the mounting seat 63 and is connected to the endless chain 2 Engagement; the movable rod 65 can be moved up and down and is respectively passed through the mounting seat 63 and the sprocket 64, and the second end of the pressure rod 62 is connected to the upper end of the movable rod 65; the friction plate 66 is installed at the lower end of the movable rod 65 and is used to cooperate with the sprocket 64. The friction plate 66 is mainly connected to the sprocket 64 so that the sprocket 64 drives the friction plate 66 and the movable rod 65, the mounting seat 63, the base plate 60 and the slide seat 5 and other components; the elastic member 67 is installed on the mounting seat 63 and can be used to provide an upward elastic force for the movable rod 65. Through the above arrangement, the transmission assembly 6 can utilize the downward flipping of the pressure rod 62 to push the movable rod 65 to move downward, so that after the friction plate 66 disengages from the sprocket 64, the slide 5 also stops moving accordingly, and the annular chain 2 will continue to drive the sprocket 64 to keep rotating, that is, the sprocket 64 is idle and the annular chain 2 does not need to stop; when the pressure rod 62 is released, the elastic member 67 pushes the movable rod 65 to move upward and connects the friction plate 66 to the sprocket 64, so that the annular chain 2 can drive the slide 5 and others to move along the annular slide rail 4 through the sprocket 64.

[0033] In this embodiment, a limiting groove (not shown) is provided on the transmission base 61, and the pressure rod 62 is correspondingly provided in the limiting groove. Of course, a through hole for connecting the movable rod 65 is also required to be provided on the limiting groove to facilitate the cooperation between the pressure rod 62 and the movable rod 65.

[0034] like Figure 2 As shown, preferably, the positioning assembly 7 includes a positioning head 71 that can be used for reciprocating movement in the direction of the annular slide rail 4 and cooperates with the positioning hole 611, and a positioning drive device 72 for driving the positioning head 71. Through the above arrangement, the positioning drive device 72 can conveniently drive the positioning head 71 in and out of the positioning hole 611 of the transmission base 61, that is, the stability of the slide 5 can be conveniently improved.

[0035] like Figure 3-Figure 5 As shown, preferably, the pressure assembly 8 includes a pressure block 81 that can move up and down and is used to cooperate with the second end of the pressure rod 62, and a pressure driving device 82 for driving the pressure block 81. Through the above arrangement, the pressure driving device 82 can be used to drive the pressure block 81 to move downward, so that the pressure block 81 can be used to push the pressure rod 62 downward, so that the pressure rod 62 pushes the movable rod 65 downward.

[0036] like Figure 3 As shown, preferably, a first bearing 68 for cooperating with the pressure block 81 is provided on the second end of the pressure rod 62, that is, the pressure rod 62 cooperates with the pressure block 81 via the first bearing 68; and a curved surface 811 corresponding to the outer contour of the first bearing 68 is provided at the bottom of the pressure block 81. Therefore, by providing the first bearing 68 on the pressure rod 62 and then cooperating with the curved surface 811 on the pressure block 81, the pressure block 81 can better and more stably push the second end of the pressure rod 62 to flip downward, and then the downward flipping of the pressure rod 62 can be used to push the movable rod 65 downward.

[0037] like Figure 7 As shown, in this embodiment, a stopper 69 is provided at the top of the movable rod 65, and the side of the stopper 69 extends outward from the movable rod 65. An elastic member 67 is installed between the bottom of the stopper 69 and the mounting seat 63, so that the elastic member 67 can effectively provide an upward elastic force for the movable rod 65. In this embodiment, a second bearing 70 is also provided at the top of the stopper 69, so that the pressure rod 62 contacts the second bearing 70 when pushing the movable rod 65, thereby improving the smoothness of both. Thus, the movable rod 65 is connected to the pressure rod 62 via the stopper 69 and the second bearing 70.

[0038] In this embodiment, the elastic member 67 is a spring. However, those skilled in the art will appreciate that the elastic member 67 can be made of other materials as long as it is elastic.

[0039] In this embodiment, the positioning head 71 is a bearing, so that when the positioning head 71 is inserted into the positioning hole 611, the transmission base 61 is not easily scratched because the bearing is rotatable.

[0040] like Figure 2 and Figure 7 As shown, in this embodiment, the bottom of the sprocket 64 is a connecting block 641; the connecting block 641 is used to correspond with the friction plate 66. The provision of the connecting block 641 can facilitate the cooperation between the sprocket 64 and the friction plate 66 to ensure the connection effect and stability.

[0041] Since the friction plate 66 is a prior art, its structure will not be further described here.

[0042] like Figure 5 As shown, in this embodiment, the pressure block 81 is connected to the pressure driving device 82 through a connecting plate 83, and the connecting plate 83 is installed on an auxiliary slide rail 84 so as to be movable up and down.

[0043] Preferably, the slide 5 is used to install a jig, so that when the slide 5 moves, the jig can be driven to move simultaneously.

[0044] like Figure 1 As shown, in this embodiment, a plurality of slides 5 are distributed on the annular slide rail 4, so that different jigs can be installed on each slide 5 to achieve different functions. Of course, a corresponding transmission assembly 6 needs to be installed on each slide 5, and the number of pressure assemblies 8 and positioning assemblies 7 on the workbench 1 can also be increased accordingly.

[0045] In this embodiment, the positioning drive device 72 and the pressure drive device 82 are both cylinders. However, those skilled in the art will appreciate that the positioning drive device 72 and the pressure drive device 82 may also use motors as their driving sources, which will not be further described herein.

[0046] In this embodiment, the motor 3 drives the endless chain 2 via a driving wheel (not shown).

[0047] The specific operating principle of the utility model is introduced below to facilitate understanding of the utility model:

[0048] First, after the corresponding fixture is installed on the slide 5, the motor 3 drives the endless chain 2 to rotate; at this time, the friction plate 66 is in contact with the connecting block 641, and the friction between the two prevents the sprocket 64 from rotating. As a result, the sprocket 64, friction plate 66, movable rod 65, mounting seat 63, bottom plate 60 and slide 5, which are unable to rotate, can only move with the endless chain 2, that is, achieve synchronous movement along the annular slide rail 4;

[0049] Next, when the slide 5 moves to the preset position, the pressure driving device 82 drives the pressure block 81 to move downward until the pressure block 81 pushes the second end of the pressure rod 62 to turn downward through the first bearing 70. After the pressure rod 62 turns downward, it will synchronously push the movable rod 65 downward through the second bearing 70 and the stopper 69, thereby driving the friction plate 66 to disengage from the connecting block 641. In this way, the motor 3 drives the endless chain 2 to drive the sprocket 64 to rotate continuously, that is, the endless chain 2 does not need to stop, and during this process, the friction plate 66 will no longer be used to drive the movable rod 65, the mounting seat 63, the bottom plate 60 and the slide 5 to move, that is, the sprocket 64 is in an idling state at this time.

[0050] Next, the positioning drive device 72 drives the positioning head 71 to extend and fit into the positioning hole 611, so that the slide 5 stops stably, so that the processing mechanism can process the workpiece on the fixture.

[0051] Next, when the slide 5 needs to move, the positioning drive device 72 first drives the positioning head 71 to reset; then, the pressure drive device 82 also drives the pressure block 81 to reset, that is, the pressure block 81 is separated from the pressure rod 62, so that the movable rod 65 moves upward to the preset position under the elastic force of the elastic member 67 until the friction plate 66 abuts against the connecting block 641 again, so that the endless chain 2 can continue to use the abutment between the sprocket 64 and the friction plate 66 to drive the slide 5 and other components to move on the annular slide rail 4;

[0052] Next, just repeat the above steps after the slide 5 stops.

[0053] To sum up, the utility model cooperates among the annular chain 2, the motor 3, the annular slide rail 4, the slide 5, the positioning assembly 7, the transmission assembly 6 and the pressure assembly 8, so that the motor 3 can drive the annular chain 2 to continuously maintain a rotating state during operation, and can utilize the pressure assembly 8 and the positioning assembly 7 to cooperate with the transmission assembly 6 so that the slide 5 can move or stop accordingly as needed. Even in the case of multiple slides 5, the use of multiple pressure assemblies 8, positioning assemblies 7 and transmission assemblies 6 can enable each slide 5 to be started or stopped individually, thereby facilitating production and manufacturing. It is particularly beneficial to use it on processing equipment with workstations with different processing times, which allows workstations with fast processing times to move without having to wait for workstations with slow processing times to complete processing.

[0054] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the scope of the claims and equivalent technologies of the present invention, the present invention is also intended to include these changes and modifications.

Claims

1. A loop fixture start-stop moving mechanism, characterized by: The machine comprises a workbench and a motor, an endless chain, an endless slide rail, a slide seat, a positioning assembly, a transmission assembly and a pressure assembly respectively located on the workbench; the motor is used to drive the endless chain to rotate; the endless slide rail is located outside the endless chain; The transmission assembly includes a base plate, a transmission seat, a pressure rod, a mounting seat, a sprocket, a movable rod, a friction plate and an elastic member; the base plate can be used to be mounted on the sliding seat; the transmission seat is mounted on the base plate and a positioning hole is provided on the transmission seat; the first end of the pressure rod is hinged on the transmission seat so that the pressure rod can be flipped up and down; the mounting seat is mounted on the base plate; the sprocket is mounted on the mounting seat and meshes with the endless chain; the movable rod can be movably passed through the mounting seat and the sprocket respectively, and the second end of the pressure rod is connected to the upper end of the movable rod; the friction plate is mounted on the lower end of the movable rod and is used to cooperate with the sprocket; the elastic member is mounted on the mounting seat and can be used to provide an upward elastic force for the movable rod; The positioning assembly includes a positioning head that can be used for reciprocating movement in the direction of the annular slide rail and cooperates with the positioning hole, and a positioning drive device for driving the positioning head to move; The pressure assembly includes a pressure block which can move up and down and is used to cooperate with the second end of the pressure rod, and a pressure driving device for driving the pressure block.

2. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: A first bearing for cooperating with the pressing block is provided on the second end of the pressing rod; and an arcuate surface corresponding to the outer contour of the first bearing is provided on the bottom of the pressing block.

3. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: A stopper is provided on the top of the movable rod, and the side of the stopper extends outward from the movable rod; the elastic member is installed between the bottom of the stopper and the mounting seat.

4. The loop fixture start-stop moving mechanism according to claim 3, characterized in that: A second bearing is also provided on the top of the stopper.

5. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: The elastic member is a spring.

6. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: The positioning head is a bearing.

7. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: The bottom of the sprocket is a connecting block; the connecting block is used to correspond with the friction plate.

8. The loop fixture start-stop movement mechanism according to claim 1, characterized in that: The pressing block is connected to the pressure driving device through a connecting plate, and the connecting plate is installed on an auxiliary slide rail so as to be movable up and down.

9. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: A plurality of slides are distributed on the annular slide rail; the number of the transmission components, the pressure components and the positioning components corresponds to the number of the slides.

10. The loop fixture start-stop moving mechanism according to claim 1, characterized in that: The positioning drive device and the pressure drive device are both cylinders.

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