Cam platform lifting device

Abstract

The invention relates to the technical field of logistics devices, in particular to a cam platform lifting device which comprises a connecting seat body, a fixed bottom plate, a driving motor, a cam, a transmission pressing rod, a lifting top seat, a roller tray and a connecting assembly. A fixed bottom plate is fixedly arranged at the bottom end of the connecting seat body, and the fixed bottom plate is fixedly connected with the bearing base through a connecting assembly; a driving motor drives a cam to act, the cam drives a transmission pressing rod, the transmission pressing rod enables a platform to ascend and descend through the lever principle, and a roller tray is lifted and lowered by the height of a person; the connecting seat body arranged at the bottom end of the cam platform lifting device is stably connected with the bearing base through the arranged connecting assembly, the connecting position of a threaded pin column is prevented from loosening, and the positive effect on the stability of lifting work of the cam platform lifting device is achieved; corresponding position stabilizing accessories are provided for the cam platform lifting mechanism so as to meet the requirement for stable operation of the cam platform lifting mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics devices, and particularly to a cam platform lifting device. Background Technique

[0002] A document with the existing publication number CN108529483A discloses a handling robot for a warehousing logistics system, which includes a vehicle body. The vehicle body includes a base plate and a driving wheel and a driven wheel mounted on the base plate; a lifting and rotating unit and an environment detection unit are provided on the vehicle body; the lifting and rotating unit includes a lifting platform, and a rotating tray that can be controllably rotated relative to it is provided on the lifting platform; the lifting and rotating unit further includes at least one set of driving components for driving the lifting platform to lift, and the lifting components include a lifting block fixedly installed on the base plate; in the solution of the warehousing logistics system handling robot, the lifting of the rotating tray is realized through the cooperation of the lifting surface on the lifting block and the cam pair of the cam follower, and the rotation of the rotating tray is realized through the meshing of the large gear and the small gear. The structure is stable and reliable, and the handling work of the shelf can be realized.

[0003] In the work of logistics goods handling, the above-mentioned solution and the existing technology apply the cam platform lifting control mechanism more. When performing lifting control, generally, the motor drives the cam to rotate, and the cam then passes through the pressure rod, and the pressure rod makes the platform lift through the lever principle. Generally, the bottom end of the cam platform lifting mechanism is fixedly connected by simple bolts. During operation, the bolt connection position is prone to looseness, which affects the stability of its lifting work; the existing cam platform lifting mechanism lacks corresponding position stabilizing accessories to meet its stable operation requirements.

[0004] Therefore, the present invention proposes a cam platform lifting device to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a cam platform lifting device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A cam platform lifting device includes a connecting seat body, a fixed bottom plate, a driving motor, a cam, a transmission pressure rod, a lifting top seat, a roller tray and a connecting component; the bottom end of the connecting seat body is fixedly provided with a fixed bottom plate, the fixed bottom plate is fixedly connected to a bearing base through the connecting component, the bearing base is arranged at the bottom end of the support frame, a driving motor is arranged on the connecting seat body, the output shaft position of the driving motor is connected with a cam, a transmission pressure rod is arranged on the side of the cam, the transmission pressure rod is connected with the lifting top seat, and the lifting top seat is connected with the roller tray.

[0007] Preferably, the connection component includes a threaded pin column, a cylindrical pin head, an installation through hole, a placement groove, a limit card slot, a reinforcing inner sleeve, a limit card strip, a limit retaining ring, an internally threaded connection ring, and a stability reinforcing structure; one end of the threaded pin column is fixedly provided with a cylindrical pin head, the installation through hole is arranged on the bearing base, and a placement groove is arranged at the top notch position of the installation through hole. The inner side wall of the installation through hole is equidistantly provided with limit card slots. One end of the reinforcing inner sleeve is fixedly provided with a limit retaining ring, and the outer side wall of the reinforcing inner sleeve is equidistantly and fixedly provided with limit card strips. The internally threaded connection ring is threadedly connected to the threaded pin column, and the internally threaded connection ring is connected to the stability reinforcing structure.

[0008] Preferably, the number of groups of the reinforcing inner sleeve and the installation through hole is the same. The positions of the limit retaining ring and the placement groove correspond to each other and the number of groups is the same, and the limit retaining ring is adaptively placed in the placement groove. The positions of the limit card strip and the limit card slot correspond to each other and the number of groups is the same, and the two are adaptively clamped.

[0009] Preferably, the number of groups of the internally threaded connection ring and the threaded pin column is the same.

[0010] Preferably, the stability reinforcing structure includes a receiving groove, a connecting through groove, a cylindrical head, a locking pressure column, a spherical surface, a rubber pad head, an auxiliary spring, a connecting ring, a locking cap, a fastening threaded hole, a rotating auxiliary convex block, and a locking pressure surface; the receiving grooves are equidistantly arranged on the outer side wall of the internally threaded connection ring, and a connecting through groove is arranged at the bottom end of the receiving groove. One end of the cylindrical head is fixedly provided with a locking pressure column, and the end surface of the other end of the cylindrical head is set as a spherical surface. The other end of the locking pressure column is fixedly provided with a rubber pad head. An auxiliary spring is fixedly provided at the end of the cylindrical head connected to the locking pressure column, and the other end of the auxiliary spring is fixedly provided with a connecting ring. One end of the locking cap is provided with a fastening threaded hole, and the outer side wall of one end of the locking cap is equidistantly and fixedly provided with rotating auxiliary convex blocks. The inner side wall of the other end of the locking cap is provided with a locking pressure surface.

[0011] Preferably, one end of the connecting through groove is communicated with the receiving groove, and the other end of the connecting through groove extends to the inner side wall of the internally threaded connection ring. The number of groups of the connecting through groove and the receiving groove is the same, and both are set as cylindrical grooves, and the notch diameter of the receiving groove is larger than the notch diameter of the connecting through groove.

[0012] Preferably, the locking cap is threadedly connected to the threaded pin column, and the number of groups of the locking cap and the internally threaded connection ring is the same.

[0013] Preferably, the locking pressure surface is set as an annular shape and is inclined, and the locking pressure surface corresponds to the position of the cylindrical head.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] In the present invention, a driving motor drives a cam to act, the cam drives a transmission pressure rod, and the transmission pressure rod makes the platform rise and fall through the lever principle, raising and lowering the height of the roller tray; for the connecting seat body provided at the bottom end of the cam platform lifting device and the bearing base, a stable connection is achieved through the provided connecting components, avoiding loosening at the connection position of the threaded pin column, which has a positive effect on the stability of its lifting work; the present invention provides corresponding position stabilizing fittings for the cam platform lifting mechanism to meet its stable operation requirements. Brief Description of the Drawings

[0016] Figure 1 It is a schematic structural connection diagram of the logistics transfer device of the present invention;

[0017] Figure 2 For the present invention Figure 1 A partially enlarged schematic view of the structural connection in it;

[0018] Figure 3 It is a schematic structural connection diagram of the cam platform lifting device and the roller tray of the present invention;

[0019] Figure 4 It is a schematic structural connection diagram of the cam platform lifting device of the present invention;

[0020] Figure 5 It is a top view of the structural connection between the connecting seat body and the bearing base of the present invention;

[0021] Figure 6 For the present invention Figure 5 A partially enlarged schematic view of the structural connection in it;

[0022] Figure 7 It is a bottom view of the structural connection between the connecting seat body and the bearing base of the present invention;

[0023] Figure 8 For the present invention Figure 7 A partially enlarged schematic view of the structural connection in it;

[0024] Figure 9 It is a top view of the structural connection of the stabilizing and strengthening structure of the present invention;

[0025] Figure 10 For the present invention Figure 9 A partially enlarged schematic view of the structural connection in it;

[0026] Figure 11 It is a bottom view of the structural connection of the stabilizing and strengthening structure of the present invention.

[0027] In the figure: support frame 1, bearing base 2, connecting seat body 3, fixed bottom plate 4, drive motor 5, cam 6, transmission pressure rod 7, lifting top seat 8, roller tray 9, threaded pin column 1001, cylindrical pin head 1002, installation through hole 1003, placement groove 1004, limit card slot 1005, reinforced inner sleeve 1006, limit card strip 1007, limit retaining ring 1008, internal thread connecting ring 1009, accommodation groove 1101, connecting through groove 1102, cylindrical head 1103, locking pressure column 1104, spherical surface 1105, rubber cushion head 1106, auxiliary spring 1107, connecting ring 1108, locking cap 1109, fastening threaded hole 1110, rotating auxiliary convex block 1111, locking pressure surface 1112. Detailed implementation mode

[0028] Next, the technical solutions in the embodiments of the present invention will be described clearly and completely. For the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] Embodiment 1: Please refer to Figures 1 - 11 , a cam platform lifting device, including a connecting seat body 3, a fixed bottom plate 4, a drive motor 5, a cam 6, a transmission pressure rod 7, a lifting top seat 8, a roller tray 9 and a connecting component; the bottom end of the connecting seat body 3 is fixedly provided with a fixed bottom plate 4, the fixed bottom plate 4 is fixedly connected to the bearing base 2 through the connecting component, the bearing base 2 is arranged at the bottom end of the support frame 1, a drive motor 5 is arranged on the connecting seat body 3, a cam 6 is connected to the output shaft position of the drive motor 5, a transmission pressure rod 7 is arranged on the side of the cam 6, the transmission pressure rod 7 is connected to the lifting top seat 8, and the lifting top seat 8 is connected to the roller tray 9.

[0030] The present invention drives the cam 6 to act through the drive motor 5, the cam 6 drives the transmission pressure rod 7, and the transmission pressure rod 7 lifts and lowers the platform through the lever principle to raise and lower the height of the roller tray 9; for the connecting seat body 3 and the bearing base 2 arranged at the bottom end of the cam platform lifting device, they are firmly connected through the arranged connecting component to avoid loosening at the connecting position of the threaded pin column 1001, which has a positive effect on the stability of its lifting work.

[0031] Embodiment 2: On the basis of Embodiment 1, please refer to Figures 5 - 8, the connecting components here include a threaded pin column 1001, a cylindrical pin head 1002, an installation through hole 1003, a placement groove 1004, a limit card slot 1005, a reinforcing inner sleeve 1006, a limit card strip 1007, a limit retaining ring 1008, an internal thread connecting ring 1009 and a stabilizing and strengthening structure; one end of the threaded pin column 1001 is fixedly provided with a cylindrical pin head 1002, the installation through hole 1003 is arranged on the bearing base 2, and a placement groove 1004 is arranged at the top slot position of the installation through hole 1003. The inner side wall of the installation through hole 1003 is equidistantly provided with limit card slots 1005. One end of the reinforcing inner sleeve 1006 is fixedly provided with a limit retaining ring 1008, and the outer side wall of the reinforcing inner sleeve 1006 is equidistantly and fixedly provided with limit card strips 1007. The internal thread connecting ring 1009 is threadedly connected to the threaded pin column 1001, and the internal thread connecting ring 1009 is connected to the stabilizing and strengthening structure; the number of groups of the reinforcing inner sleeve 1006 and the installation through hole 1003 here is the same, the setting positions of the limit retaining ring 1008 and the placement groove 1004 correspond to each other and the number of groups is the same, and the limit retaining ring 1008 is adaptively placed in the placement groove 1004. The setting positions of the limit card strips 1007 and the limit card slots 1005 correspond to each other and the number of groups is the same, and the two are adaptively clamped; the number of groups of the internal thread connecting ring 1009 and the threaded pin column 1001 here is the same.

[0032] Through the cooperative use of the threaded pin column 1001 and the internal thread connecting ring 1009, the bearing base 2 and the fixed bottom plate 4 are fixedly connected. And here, a reinforcing inner sleeve 1006 is arranged in the installation through hole 1003 on the bearing base 2 to improve the connection strength between the threaded pin column 1001 and the bearing base 2 and prevent the connection between the threaded pin column 1001 and the bearing base 2 from becoming loose during long-term operation.

[0033] Embodiment 3: On the basis of Embodiment 2, please refer to Figures 9 - 11, the firm strengthening structure here includes a receiving groove 1101, a connecting through groove 1102, a cylindrical head 1103, a locking pressure column 1104, a spherical surface 1105, a rubber pad head 1106, an auxiliary spring 1107, a connecting ring 1108, a locking cap 1109, a fastening threaded hole 1110, a rotating auxiliary convex block 1111, and a locking pressure surface 1112; the receiving grooves 1101 are equidistantly arranged on the outer sidewall of the internal thread connecting ring 1009, and a connecting through groove 1102 is provided at the bottom end of the receiving groove 1101. One end of the cylindrical head 1103 is fixedly provided with a locking pressure column 1104, the end face of the other end of the cylindrical head 1103 is set as a spherical surface 1105, the other end of the locking pressure column 1104 is fixedly provided with a rubber pad head 1106, an auxiliary spring 1107 is fixedly provided at the end of the cylindrical head 1103 where it is connected to the locking pressure column 1104, the other end of the auxiliary spring 1107 is fixedly provided with a connecting ring 1108, one end of the locking cap 1109 is provided with a fastening threaded hole 1110, and rotating auxiliary convex blocks 1111 are equidistantly and fixedly arranged on the outer sidewall of one end of the locking cap 1109, and a locking pressure surface 1112 is arranged on the inner sidewall of the other end of the locking cap 1109; one end of the connecting through groove 1102 here is communicated with the receiving groove 1101, the other end of the connecting through groove 1102 extends to the inner sidewall of the internal thread connecting ring 1009, the number of sets of the connecting through groove 1102 and the receiving groove 1101 is the same, and both are set as cylindrical grooves, and the notch diameter of the receiving groove 1101 is larger than the notch diameter of the connecting through groove 1102; the locking cap 1109 here is threadedly connected to the threaded pin column 1001, and the number of sets of the locking cap 1109 and the internal thread connecting ring 1009 is the same; the locking pressure surface 1112 is set as an annular shape and is inclined, and the setting position of the locking pressure surface 1112 corresponds to that of the cylindrical head 1103.

[0034] In this embodiment, a receiving groove 1101 and a connecting through groove 1102 are provided in the internal thread connecting ring 1009, that is, after the internal thread connecting ring 1009 and the threaded pin column 1001 are threadedly tightened, the cylindrical head 1103 is placed in the receiving groove 1101, and the locking pressure column 1104 is inserted into the connecting through groove 1102. Then, the locking cap 1109 is threadedly connected and tightened with the threaded pin column 1001. In this process, the locking pressure surface 1112 arranged inside the locking cap 1109 squeezes the cylindrical head 1103, and the cylindrical head 1103 then pushes the locking pressure column 1104 to squeeze and lock the sidewall of the threaded pin column 1001, which can further improve its connection stability.

[0035] A spherical surface 1105 is provided at one end of the cylindrical head 1103 here, which is convenient for the locking pressure surface 1112 to squeeze it; a rubber pad head 1106 is provided at the extrusion end of the locking pressure column 1104, which has an auxiliary effect on the extrusion locking work of the locking pressure column 1104.

[0036] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cam platform lifting device, characterized in that: The invention comprises a connecting seat body (3), a fixed bottom plate (4), a driving motor (5), a cam (6), a transmission pressure rod (7), a lifting top seat (8), a roller tray (9) and a connecting assembly; the bottom end of the connecting seat body (3) is fixedly provided with a fixed bottom plate (4); the fixed bottom plate (4) is fixedly connected to a bearing base (2) through a connecting assembly; the bearing base (2) is arranged at the bottom end of a supporting frame (1); the connecting seat body (3) is provided with a driving motor (5); the output shaft position of the driving motor (5) is connected with a cam (6); the side position of the cam (6) is provided with a transmission pressure rod (7); the transmission pressure rod (7) is connected with the lifting top seat (8); the lifting top seat (8) is connected with the roller tray (9).

2. A cam platform lifting device according to claim 1, characterized in that: The connection assembly comprises a threaded pin (1001), a cylindrical pin head (1002), an installation through hole (1003), a placement groove (1004), a limit clamping groove (1005), a reinforced inner sleeve (1006), a limit clamping strip (1007), a limit retaining ring (1008), an internal threaded connection ring (1009) and a stabilizing reinforcement structure; one end of the threaded pin (1001) is fixedly provided with a cylindrical pin head (1002), the installation through hole (1003) is provided on the bearing base (2), and the installation through hole (1005) is provided on the bearing base (2). 003) is provided with a placement groove (1004), the inner wall of the installation through hole (1003) is equidistantly provided with a limit clamping groove (1005), one end of the reinforced inner sleeve (1006) is fixedly provided with a limit retaining ring (1008), and the outer wall of the reinforced inner sleeve (1006) is equidistantly provided with a limit clamping strip (1007), the internal threaded connecting ring (1009) is threadedly connected to the threaded pin (1001), and the internal threaded connecting ring (1009) is connected to the stable reinforcement structure.

3. A cam platform lifting device according to claim 2, characterized in that: The reinforced inner sleeve (1006) and the installation through hole (1003) are arranged in the same number of groups, the limit stop ring (1008) and the placement groove (1004) are arranged in the same position and the limit stop ring (1008) is adapted to be placed in the placement groove (1004), the limit clamping strip (1007) and the limit clamping groove (1005) are arranged in the same position and the limit clamping groove (1005) are adapted to be connected.

4. The cam platform lifting device according to claim 2, characterized in that: The number of sets of the internal thread connection ring (1009) and the threaded pin (1001) is the same.

5. The cam platform lifting device according to claim 2, characterized in that: The stabilizing and reinforcing structure comprises a receiving groove (1101), a connecting groove (1102), a cylindrical head (1103), a locking pressure column (1104), a spherical surface (1105), a rubber gasket (1106), an auxiliary spring (1107), a connecting ring (1108), a locking cap (1109), a fastening threaded hole (1110), a rotating auxiliary protrusion (1111), and a locking pressure surface (1112); the receiving groove (1101) is equidistantly arranged on the outer side wall of the internal thread connecting ring (1009), and the bottom end of the receiving groove (1101) is provided with a connecting groove (1102), and one end of the cylindrical head (1103) is fixedly provided with a locking pressure column (1104). The end surface of the other end of the cylindrical head (1103) is set as a spherical surface (1105), the other end of the locking pressure column (1104) is fixedly provided with a rubber gasket (1106), the end of the cylindrical head (1103) connected to the locking pressure column (1104) is fixedly provided with an auxiliary spring (1107), the other end of the auxiliary spring (1107) is fixedly provided with a connecting ring (1108), one end of the locking cap (1109) is provided with a fastening threaded hole (1110), and the outer side wall of one end of the locking cap (1109) is equidistantly fixed with a rotating auxiliary protrusion (1111), and the inner side wall of the other end of the locking cap (1109) is provided with a locking pressure surface (1112).

6. The cam platform lifting device according to claim 5, characterized in that: One end of the connecting through groove (1102) is connected to the receiving groove (1101), and the other end of the connecting through groove (1102) extends to the inner wall of the internal threaded connecting ring (1009). The connecting through groove (1102) and the receiving groove (1101) are provided with the same number of groups, and both are provided as cylindrical grooves, and the groove diameter of the receiving groove (1101) is larger than the groove diameter of the connecting through groove (1102).

7. The cam platform lifting device according to claim 5, characterized in that: The locking cap (1109) is threadedly connected to the threaded pin (1001), and the locking cap (1109) and the internal threaded connection ring (1009) are provided in the same number of groups.

8. The cam platform lifting device according to claim 5, characterized in that: The locking pressure surface (1112) is arranged in a ring shape, and the locking pressure surface (1112) is arranged at an angle, and the locking pressure surface (1112) and the columnar head (1103) are arranged at corresponding positions.

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