Automatic assembly device for material tray

Abstract

The present invention proposes an automatic assembly device for a material tray, comprising a frame, a cotton spreading mechanism, a humidifying mechanism, a clamping mechanism, a material tray and an inner grid frame; a first conveyor belt and a second transmission belt are provided on the frame, the material tray is transported by the first conveyor belt, and the inner grid frame is transported by the second transmission belt, the cotton spreading mechanism, the humidifying mechanism and the clamping mechanism are all installed on the frame, the cotton spreading mechanism and the humidifying mechanism are arranged above the first conveyor belt, and the inner grid frame is located above the first conveyor belt and the second transmission belt; the first conveyor belt first transports the material tray to the cotton spreading position, the material tray is clamped and fixed, the cotton spreading mechanism spreads the cotton cloth on the material tray, and then the first conveyor belt transports the material tray to the humidifying position, the material tray is clamped and fixed, the humidifying mechanism humidifies the cotton cloth, and finally the first conveyor belt transports the material tray to the clamping position, the material tray is clamped and fixed, and the clamping mechanism clamps the inner grid frame from the second transmission belt and places it on the cotton cloth.

Description

Technical Field

[0001] The invention relates to the field of mechanical automation, and in particular to an automatic assembly device for a material tray. Background Art

[0002] In current automated production lines, cotton cloth is manually placed on the material tray, the cotton cloth is manually humidified, and the inner grid is manually placed on the cotton cloth. The speed of manual operation is very slow and cannot meet the production speed requirements of automated production lines. Summary of the invention

[0003] In order to solve the above problem, the present invention provides an automatic assembly device for a material tray.

[0004] The present invention is achieved through the following technical solutions:

[0005] The present invention proposes an automatic assembly device for a material tray, which comprises a frame, a cotton spreading mechanism, a humidifying mechanism, a clamping mechanism, a material tray and an inner grid frame; the frame is provided with a first conveyor belt and a second conveyor belt, the first conveyor belt is provided with a cotton spreading position, a humidifying position and a clamping position, the material tray is transported by the first conveyor belt, the inner grid frame is transported by the second conveyor belt, the cotton spreading mechanism, the humidifying mechanism and the clamping mechanism are all installed on the frame, the cotton spreading mechanism and the humidifying mechanism are arranged above the first conveyor belt, The clamping mechanism is arranged above the first conveyor belt and the second conveyor belt; the first conveyor belt first transports the material tray to the cotton spreading position, the material tray is clamped and fixed, and the cotton spreading mechanism spreads the cotton cloth on the material tray, and then the first conveyor belt transports the material tray to the humidification position, the material tray is clamped and fixed, and the humidification mechanism humidifies the cotton cloth, and finally the first conveyor belt transports the material tray to the clamping position, the material tray is clamped and fixed, and the clamping mechanism clamps the inner grid from the second conveyor belt and places it on the cotton cloth.

[0006] Furthermore, the automatic assembly device of the material tray also includes a plurality of blocking mechanisms, three of which are respectively arranged at the cotton laying position, the humidification position and the clamping position, the frame is provided with a first track, the first conveyor belt is installed on the first track, the blocking mechanism includes a first cylinder, a rotating shaft and a pallet, the rotating shaft passes through the first track, the two pallets are respectively fixedly connected to the two ends of the rotating shaft, the pallets are arranged on both sides of the first conveyor belt, the first cylinder is fixedly installed on the frame, and the pallet is fixedly connected to the first cylinder.

[0007] Furthermore, the automatic assembly device of the material tray also includes a cotton cutter and a guide plate, the cotton cutter is arranged on one side of the frame, and the guide plate is arranged between the cotton cutter and the frame. The cotton cutter cuts the cotton cloth roll into cotton cloth and places the cotton cloth on the guide plate, and the cotton spreading mechanism clamps the cotton cloth and spreads the cotton cloth flat on the material tray.

[0008] Furthermore, the cotton spreading mechanism includes a first mounting plate, a first drag chain, a first driving assembly, a cotton clamping assembly and a first connecting plate; the first mounting plate is fixedly mounted on the frame, the first driving assembly is fixedly mounted on the first mounting plate, the cotton clamping assembly is fixedly connected to the first driving assembly, the first driving assembly drives the cotton clamping assembly to move on the first driving assembly, one end of the first drag chain is fixedly connected to the frame, the other end of the first drag chain is fixedly connected to the first connecting plate, and the first connecting plate is fixedly connected to the cotton clamping assembly; a plurality of cylinder clamps are provided on the cotton clamping assembly, and the cylinder clamps are fixedly connected to the cotton clamping assembly.

[0009] Furthermore, the first driving assembly is provided with a first transmission plate and a first motor, the first transmission plate is sleeved outside the first driving assembly, the first motor drives the first transmission plate to move on the first driving assembly, and the cotton clamping assembly is fixedly connected to the first transmission plate.

[0010] Furthermore, the automatic assembly device of the material tray also includes a waterproof baffle, and the humidifying mechanism includes a second mounting plate, a second drag chain, a second drive assembly, a humidifying assembly and a second connecting plate; the second mounting plate is fixedly mounted on the frame, the second drive assembly is fixedly mounted on the second mounting plate, the humidifying assembly is fixedly connected to the second drive assembly, the second drive assembly drives the humidifying assembly to move on the second drive assembly, one end of the second drag chain is fixedly connected to the frame, the other end of the second drag chain is fixedly connected to the second connecting plate, and the humidifying assembly is fixedly connected to the second connecting plate; a plurality of nozzles are provided on the humidifying assembly, and the nozzles are fixedly connected to the humidifying assembly; the waterproof baffle is fixedly connected to the frame and partially covers the humidifying mechanism.

[0011] Furthermore, the second driving assembly is provided with a second transmission plate and a second motor, the second transmission plate is sleeved outside the second driving assembly, the second motor drives the second transmission plate to move on the second driving assembly, and the humidifying assembly is fixedly connected to the second transmission plate.

[0012] Furthermore, the clamping mechanism includes a third mounting plate, a third drag chain, a third drive assembly, a clamping assembly and a third connecting plate; the third mounting plate is fixedly mounted on the frame, the third drive assembly is fixedly mounted on the third mounting plate, the clamping assembly is fixedly connected to the third drive assembly, the third drive assembly drives the clamping assembly to move on the third drive assembly, one end of the third drag chain is fixedly connected to the frame, the other end of the third drag chain is fixedly connected to the third connecting plate, and the clamping assembly is fixedly connected to the third connecting plate; the clamping assembly is provided with an air gripper, an air gripper mounting plate and a second cylinder, the second cylinder is fixedly connected to the clamping assembly, the air gripper mounting plate is fixedly connected to the second cylinder, and the second cylinder drives the air gripper mounting plate to move up and down and thereby causes the air gripper to move up and down.

[0013] Furthermore, the third driving assembly is provided with a third transmission plate and a third motor, the third transmission plate is sleeved outside the third driving assembly, the third motor drives the third transmission plate to move on the third driving assembly, and the clamping assembly is fixedly connected to the third transmission plate.

[0014] Furthermore, the second transmission belt also includes a limiting column, and the limiting column is fixedly connected to the frame.

[0015] Beneficial effects of the present invention:

[0016] The automatic assembly device of the material tray proposed by the present invention can automatically spread cotton cloth on the material tray, automatically humidify the cotton cloth, and automatically place the inner grid; the operation speed is fast and can meet the production speed requirements of the automated production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the automatic assembly device of the material tray of the present invention;

[0018] Figure 2 A three-dimensional view of the automatic assembly device for the material tray of the present invention from another direction;

[0019] Figure 3 A three-dimensional diagram of a blocking mechanism of an automatic assembly device for a material tray of the present invention;

[0020] Figure 4 It is an exploded view of the cotton spreading mechanism of the automatic assembly device of the material tray of the present invention;

[0021] Figure 5 An exploded view of a humidifying mechanism of an automatic assembly device for a material tray of the present invention;

[0022] Figure 6 It is an exploded view of the clamping mechanism of the automatic assembly device of the material tray of the present invention. DETAILED DESCRIPTION

[0023] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0024] Please refer to Figures 1 to 6 The present invention proposes an automatic assembly device for a material tray, which includes a frame 10, a cotton spreading mechanism 20, a humidifying mechanism 30, a clamping mechanism 40, a material tray 50 and an inner grid frame 60; the frame 10 is provided with a first conveyor belt 11 and a second conveyor belt 12, the first conveyor belt 11 is provided with a cotton spreading position 14, a humidifying position 15 and a clamping position 16, the material tray 50 is transported by the first conveyor belt 11, and the inner grid frame 60 is transported by the second conveyor belt 12, the cotton spreading mechanism 20, the humidifying mechanism 30 and the clamping mechanism 40 are all installed on the frame 10, and the cotton spreading mechanism 20 and the humidifying mechanism 30 are arranged on the first conveyor belt 11 Above, the clamping mechanism 40 is arranged above the first conveyor belt 11 and the second conveyor belt 12; the first conveyor belt 11 first transports the material tray 50 to the cotton spreading position 14, the material tray 50 is clamped and fixed, and the cotton spreading mechanism 20 spreads the cotton cloth on the material tray 50, and then the first conveyor belt 11 transports the material tray 50 to the humidification position 15, the material tray 50 is clamped and fixed, and the humidification mechanism 30 humidifies the cotton cloth, and finally the first conveyor belt 11 transports the material tray 50 to the clamping position 16, the material tray 50 is clamped and fixed, and the clamping mechanism 40 clamps the inner grid 60 from the second conveyor belt 12 and places it on the cotton cloth.

[0025] In this embodiment, the material tray 50 is placed on the first conveyor belt 11 for transportation, and the inner grid frame 60 is placed on the second conveyor belt for transportation; the cotton spreading position 14 is located directly below the cotton spreading mechanism 20, the humidification position 15 is located directly below the humidification mechanism 30, and the clamping position 16 is located directly below the clamping mechanism 40; the cotton spreading position 14, the humidification position 15 and the clamping position 16 are all provided with photoelectric sensing switches, and when the photoelectric sensing switch located at the cotton spreading position 14 senses the material tray 50, the material tray 50 is locked and fixed, and after the cotton spreading mechanism 20 spreads the cotton cloth flat on the material tray 50, the material tray 50 is disengaged and fixed, and continues to be transported by the first transmission belt; the automatic assembly device of the material tray can automatically spread cotton cloth on the material tray 50, automatically humidify the cotton cloth, and automatically place the inner grid frame 60; the operation speed is fast, which can meet the production speed requirements of the automated production line.

[0026] Furthermore, the automatic assembly device of the material tray also includes a plurality of blocking mechanisms 70, and the three blocking mechanisms 70 are respectively arranged at the cotton laying position 14, the humidification position 15 and the clamping position 16. The frame 10 is provided with a first track 13, and the first conveyor belt 11 is installed on the first track 13. The blocking mechanism 70 includes a first cylinder 71, a rotating shaft 72 and a clamping plate 73. The rotating shaft 72 passes through the first track 13, and the two clamping plates 73 are respectively fixedly connected to the two ends of the rotating shaft 72. The clamping plates 73 are arranged on both sides of the first conveyor belt 11, and the first cylinder 71 is fixedly installed on the frame 10, and the clamping plate 73 is fixedly connected to the first cylinder 71.

[0027] In this embodiment, the card plate 73 is arranged on both sides of the first conveyor belt 11, and the card plate 73 is located below the first conveyor belt 11; when the photoelectric sensing switch located at the cotton spreading position 14 senses the material tray 50, the blocking mechanism 70 set at the cotton spreading position 14 starts to work, and the first cylinder 71 starts to work to push the card plate 73 to move upward and engage with the material tray 50, so that the material tray 50 is limited and cannot be transported by the first conveyor belt 11. When the cotton spreading mechanism 20 spreads the cotton cloth flat on the material tray 50, the first cylinder 71 stops working, the card plate 73 resets and disengages from the material tray 50, and the material tray 50 continues to be transported by the first conveyor belt 11.

[0028] Furthermore, the automatic assembly device of the material tray also includes a cotton cutter 80 and a guide plate 90. The cotton cutter 80 is arranged on one side of the frame 10, and the guide plate 90 is arranged between the cotton cutter 80 and the frame 10. The cotton cutter 80 cuts the cotton cloth roll into cotton cloth and places the cotton cloth on the guide plate 90. The cotton spreading mechanism 20 clamps the cotton cloth and spreads the cotton cloth flat on the material tray 50.

[0029] In this embodiment, the guide plate 90 is tilted downward. When the cotton cutter 80 cuts the cotton roll into cotton cloth, the cotton cloth falls on the guide plate 90. Since the guide plate 90 is tilted downward, the cotton cloth slides to the side of the frame 10.

[0030] Furthermore, the cotton spreading mechanism 20 includes a first mounting plate 21, a first drag chain 22, a first drive assembly 23, a cotton clamping assembly 24 and a first connecting plate 25; the first mounting plate 21 is fixedly mounted on the frame 10, the first drive assembly 23 is fixedly mounted on the first mounting plate 21, the cotton clamping assembly 24 is fixedly connected to the first drive assembly 23, the first drive assembly 23 drives the cotton clamping assembly 24 to move on the first drive assembly 23, one end of the first drag chain 22 is fixedly connected to the frame 10, and the first drag chain 22 The other end is fixedly connected to the first connecting plate 25, and the first connecting plate 25 is fixedly connected to the cotton clamping assembly 24; the cotton clamping assembly 24 is provided with a plurality of cylinder clamps 28, and the cylinder clamps 28 are fixedly connected to the cotton clamping assembly 24; the first driving assembly 23 is provided with a first transmission plate 26 and a first motor 27, the first transmission plate 26 is sleeved outside the first driving assembly 23, the first motor 27 drives the first transmission plate 26 to move on the first driving assembly 23, and the cotton clamping assembly 24 is fixedly connected to the first transmission plate 26.

[0031] In this embodiment, the first motor 27 drives the first transmission plate 26 to move on the first driving assembly 23, thereby driving the cotton clamping assembly 24 to move. The setting of the first drag chain 22 makes the movement of the cotton clamping assembly 24 more stable and smooth; the cylinder clamp 28 is connected to the external cylinder, and after the external cylinder drives the cylinder clamp 28 to clamp the cotton cloth, the cotton clamping assembly 24 moves and drags the cotton cloth so that the cotton cloth is spread flat in the material tray 50.

[0032] Furthermore, the automatic assembly device of the material tray also includes a waterproof baffle 100, and the humidifying mechanism 30 includes a second mounting plate 31, a second drag chain 32, a second drive assembly 33, a humidifying assembly 34 and a second connecting plate 35; the second mounting plate 31 is fixedly mounted on the frame 10, the second drive assembly 33 is fixedly mounted on the second mounting plate 31, the humidifying assembly 34 is fixedly connected to the second drive assembly 33, the second drive assembly 33 drives the humidifying assembly 34 to move on the second drive assembly 33, one end of the second drag chain 32 is fixedly connected to the frame 10, and the other end of the second drag chain 32 It is fixedly connected to the second connecting plate 35, and the humidifying component 34 is fixedly connected to the second connecting plate 35; the humidifying component 34 is provided with a plurality of nozzles 38, and the nozzles 38 are fixedly connected to the humidifying component 34; the waterproof baffle 100 is fixedly connected to the frame 10 and partially blocks the humidifying mechanism 30; the second driving component 33 is provided with a second transmission plate 36 and a second motor 37, the second transmission plate 36 is sleeved outside the second driving component 33, the second motor 37 drives the second transmission plate 36 to move on the second driving component 33, and the humidifying component 34 is fixedly connected to the second transmission plate 36.

[0033] In this embodiment, the waterproof baffle 100 is fixedly connected to the frame 10 and partially covers the humidifying mechanism 30. The waterproof baffle 100 prevents the water sprayed from the nozzle 38 from splashing outside the frame 10; the second motor 37 drives the second transmission plate 36 to move on the second driving component 33, thereby driving the humidifying component 34 to move. The setting of the second drag chain 32 makes the movement of the humidifying component 34 more stable and smooth; the nozzle 38 is connected to an external water pump; when the material tray 50 is located at the humidifying position 15, the humidifying component 34 moves back and forth, and the nozzle 38 sprays water to humidify the cotton cloth in the material tray 50.

[0034] Furthermore, the clamping mechanism 40 includes a third mounting plate 41, a third drag chain 42, a third drive assembly 43, a clamping assembly 44 and a third connecting plate 45; the third mounting plate 41 is fixedly mounted on the frame 10, the third drive assembly 43 is fixedly mounted on the third mounting plate 41, the clamping assembly 44 is fixedly connected to the third drive assembly 43, the third drive assembly 43 drives the clamping assembly 44 to move on the third drive assembly 43, one end of the third drag chain 42 is fixedly connected to the frame 10, the other end of the third drag chain 42 is fixedly connected to the third connecting plate 45, the clamping assembly 44 is fixedly connected to the third connecting plate 45 Fixed connection; the clamping grid assembly 44 is provided with an air gripper 48, an air gripper mounting plate 49 and a second cylinder 491, the second cylinder 491 is fixedly connected to the clamping grid assembly 44, the air gripper mounting plate 49 is fixedly connected to the second cylinder 491, the second cylinder 491 drives the air gripper mounting plate 49 to move up and down, thereby moving the air gripper 48 up and down; the third driving assembly 43 is provided with a third transmission plate 46 and a third motor 47, the third transmission plate 46 is sleeved outside the third driving assembly 43, the third motor 47 drives the third transmission plate 46 to move on the third driving assembly 43, and the clamping grid assembly 44 is fixedly connected to the third transmission plate 46.

[0035] In this embodiment, the third motor 47 drives the third transmission plate 46 to move on the third drive assembly 43, thereby driving the clamping assembly 44 to move. The setting of the third drag chain 42 makes the movement of the clamping assembly 44 more stable and smooth; the air claw 48 is connected to the external cylinder, and when the material tray 50 is located at the clamping position 16, the clamping assembly 44 moves to the top of the inner grid frame 60, and the second cylinder 491 starts to work and drives the air claw 48 to move downward into the inner grid frame 60. The air claw 48 opens and engages with the inner wall of the inner grid frame 60 to form a tight connection. The second cylinder 491 drives the air claw 48 to move upward to grab the inner grid frame 60, and moves the clamping assembly 44 so that the inner grid frame 60 is placed on the cotton cloth.

[0036] Furthermore, the second transmission belt 12 further includes a limiting post 17 , and the limiting post 17 is fixedly connected to the frame 10 .

[0037] In this embodiment, the limiting column 17 is arranged at the tail of the second transmission belt 12. When the inner frame 60 is transported by the second transmission belt 12 to contact with the limiting column 17, the inner frame 60 is limited and can no longer be transported by the second transmission belt 12. At this time, the inner frame 60 is located in a position clamped by the clamping assembly 44.

[0038] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present invention.

Claims

1. An automatic assembly device for a material tray, characterized in that: The automatic assembly device of the material tray comprises a frame, a cotton spreading mechanism, a humidifying mechanism, a clamping mechanism, a material tray and an inner grid frame; the frame is provided with a first conveyor belt and a second conveyor belt, the first conveyor belt is provided with a cotton spreading position, a humidifying position and a clamping position, the material tray is transported by the first conveyor belt, and the inner grid frame is transported by the second conveyor belt, the cotton spreading mechanism, the humidifying mechanism and the clamping mechanism are all installed on the frame, the cotton spreading mechanism and the humidifying mechanism are arranged above the first conveyor belt, and the clamping mechanism is arranged above the first conveyor belt and the second conveyor belt; the first conveyor belt first transports the material tray to the cotton spreading position, the material tray is clamped and fixed, the cotton spreading mechanism spreads the cotton cloth on the material tray, and then the first conveyor belt transports the material tray to the humidifying position, the material tray is clamped and fixed, the humidifying mechanism humidifies the cotton cloth, and finally the first conveyor belt transports the material tray to the clamping position, the material tray is clamped and fixed, and the clamping mechanism clamps the inner grid frame from the second conveyor belt and places it on the cotton cloth.

2. The automatic assembly device for material trays according to claim 1, characterized in that: The automatic assembly device of the material tray also includes a plurality of blocking mechanisms, three of which are respectively arranged at the cotton laying position, the humidification position and the clamping position; a first track is provided on the frame, and the first conveyor belt is installed on the first track; the blocking mechanism includes a first cylinder, a rotating shaft and a card plate, the rotating shaft passes through the first track, and the two card plates are respectively fixedly connected to the two ends of the rotating shaft, the card plates are arranged on both sides of the first conveyor belt, the first cylinder is fixedly installed on the frame, and the card plate is fixedly connected to the first cylinder.

3. The automatic assembly device for material trays according to claim 1, characterized in that: The automatic assembly device of the material tray also includes a cotton cutter and a guide plate. The cotton cutter is arranged on one side of the frame, and the guide plate is arranged between the cotton cutter and the frame. The cotton cutter cuts the cotton cloth roll into cotton cloth and places the cotton cloth on the guide plate. The cotton spreading mechanism clamps the cotton cloth and spreads the cotton cloth flat on the material tray.

4. The automatic assembly device for material trays according to claim 1, characterized in that: The cotton spreading mechanism includes a first mounting plate, a first drag chain, a first driving assembly, a cotton clamping assembly and a first connecting plate; the first mounting plate is fixedly mounted on the frame, the first driving assembly is fixedly mounted on the first mounting plate, the cotton clamping assembly is fixedly connected to the first driving assembly, the first driving assembly drives the cotton clamping assembly to move on the first driving assembly, one end of the first drag chain is fixedly connected to the frame, the other end of the first drag chain is fixedly connected to the first connecting plate, and the first connecting plate is fixedly connected to the cotton clamping assembly; a plurality of cylinder clamps are provided on the cotton clamping assembly, and the cylinder clamps are fixedly connected to the cotton clamping assembly.

5. The automatic assembly device for material trays according to claim 4, characterized in that: The first driving assembly is provided with a first transmission plate and a first motor. The first transmission plate is sleeved outside the first driving assembly. The first motor drives the first transmission plate to move on the first driving assembly. The cotton clamping assembly is fixedly connected to the first transmission plate.

6. The automatic assembly device for material trays according to claim 1, characterized in that: The automatic assembly device of the material tray also includes a waterproof baffle, and the humidifying mechanism includes a second mounting plate, a second drag chain, a second driving assembly, a humidifying assembly and a second connecting plate; the second mounting plate is fixedly mounted on the frame, the second driving assembly is fixedly mounted on the second mounting plate, the humidifying assembly is fixedly connected to the second driving assembly, the second driving assembly drives the humidifying assembly to move on the second driving assembly, one end of the second drag chain is fixedly connected to the frame, the other end of the second drag chain is fixedly connected to the second connecting plate, and the humidifying assembly is fixedly connected to the second connecting plate; a plurality of nozzles are provided on the humidifying assembly, and the nozzles are fixedly connected to the humidifying assembly; the waterproof baffle is fixedly connected to the frame and partially covers the humidifying mechanism.

7. The automatic assembly device for material trays according to claim 6, characterized in that: The second driving assembly is provided with a second transmission plate and a second motor. The second transmission plate is sleeved outside the second driving assembly. The second motor drives the second transmission plate to move on the second driving assembly. The humidifying assembly is fixedly connected to the second transmission plate.

8. The automatic assembly device for material trays according to claim 1, characterized in that: The clamping mechanism includes a third mounting plate, a third drag chain, a third drive assembly, a clamping assembly and a third connecting plate; the third mounting plate is fixedly mounted on the frame, the third drive assembly is fixedly mounted on the third mounting plate, the clamping assembly is fixedly connected to the third drive assembly, the third drive assembly drives the clamping assembly to move on the third drive assembly, one end of the third drag chain is fixedly connected to the frame, the other end of the third drag chain is fixedly connected to the third connecting plate, and the clamping assembly is fixedly connected to the third connecting plate; the clamping assembly is provided with an air gripper, an air gripper mounting plate and a second cylinder, the second cylinder is fixedly connected to the clamping assembly, the air gripper mounting plate is fixedly connected to the second cylinder, and the second cylinder drives the air gripper mounting plate to move up and down and thereby causes the air gripper to move up and down.

9. The automatic assembly device for material trays according to claim 8, characterized in that: The third driving assembly is provided with a third transmission plate and a third motor. The third transmission plate is sleeved outside the third driving assembly. The third motor drives the third transmission plate to move on the third driving assembly. The clamping assembly is fixedly connected to the third transmission plate.

10. The automatic assembly device for material trays according to claim 1, characterized in that: The second transmission belt further comprises a limiting post, and the limiting post is fixedly connected to the frame.

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