Frame roller connecting device

Abstract

The utility model belongs to the technical field of connecting devices, and particularly relates to a rack roller connecting device which comprises a base frame, connecting structures distributed at equal intervals in the length direction of the base frame are arranged on the two sides of the top end of the base frame, the connecting structures are arranged in a one-to-one correspondence mode, and a rotating roller is arranged between each pair of correspondingly arranged connecting structures. The connecting structure comprises a base slidably connected to the top end of the base frame, the top end of the base is fixedly connected with a supporting seat through a bolt, the outer portion of the supporting seat is slidably connected with a limiting cover, the base frame comprises two symmetrically-arranged side edge plates, and cross beams distributed at equal intervals are fixedly connected between the two side edge plates. According to the utility model, the base and the supporting seat are matched and fixedly arranged on the base frame, when the rotating roller is arranged, the end part of the rotating roller can be arranged on the supporting seat only by sliding the limiting cover, and after the rotating roller is arranged, the end part of the rotating roller can be positioned by resetting the limiting cover, so that the mounting operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to connecting device technical field, concretely relates to a rack roller connecting device. BACKGROUND

[0002] Roller conveyor is a continuous conveyor for conveying workpieces along horizontal direction or small inclination direction, which utilizes rotation of rollers to realize transmission of workpieces by friction between rollers and workpieces. The workpieces conveyed by roller conveyor generally have flat bottom, such as plates, bars, tubes, profiles, trays, boxes and various pieces with flat bottom. The workpieces should at least cross the length of three rollers in the conveying direction. The roller conveyor system without power transmission relies on self-weight of workpieces or human power to send workpieces.

[0003] When the roller is installed, it needs to be rotated and installed on the top of the rack. During installation, it is installed on the rack through the support. Since the end of the roller needs to be inserted into the support for a distance, the position of the support needs to be adjusted during installation, and then the installation is carried out, which brings inconvenience to the installation of the roller. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a rack roller connecting device, which only needs to slide the limiting cover to install the end of the roller on the support seat during installation of the roller, thereby facilitating the installation and solving the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rack roller connecting device, comprising a base frame, the top of the base frame is provided with connecting structures which are equidistantly distributed along the length direction of the base frame on both sides, a plurality of the connecting structures are correspondingly arranged, and a roller is arranged between each pair of corresponding connecting structures. The connecting structure comprises a base which is slidably connected to the top of the base frame. The top of the base is fixedly connected with a support seat through a bolt. The outer part of the support seat is slidably connected with a limiting cover.

[0006] Further, the base frame comprises two symmetrically arranged side plates, equidistantly distributed cross beams are fixedly connected between the two side plates, and the top of the side plate is provided with a sliding rail.

[0007] Further, the base is slidably connected in the inner part of the sliding rail, the top of the base is provided with a horizontal bar, and the middle part of the horizontal bar is provided with a first threaded hole.

[0008] Further, the support seat comprises an L-shaped seat, the top of the L-shaped seat is provided with a receiving groove, one side of the L-shaped seat is provided with a first mounting groove, the bottom of the first mounting groove is provided with a bolt matched with the first threaded hole, the bottom of the L-shaped seat is provided with a protrusion, and the top of the protrusion is provided with a second threaded hole.

[0009] Further, the limiting cover comprises an outer shell slidingly connected outside the L-shaped seat, one side of the outer shell is provided with a second mounting groove corresponding to the first mounting groove, the bottom of the outer shell is provided with a strip-shaped through groove, the protruding block penetrates through the strip-shaped through groove, and the second threaded hole is internally provided with a bolt for pressing the outer shell.

[0010] Further, both sides of the inner wall of the outer shell are symmetrically provided with sliding strips, and both sides of the L-shaped seat are symmetrically provided with sliding grooves, and the two sliding strips are slidingly connected in the interiors of the two sliding grooves.

[0011] Further, one end of the L-shaped seat is symmetrically provided with a mounting hole, the mounting hole is internally provided with a spring, and one end of the spring is fixedly connected with one end of the inner wall of the outer shell.

[0012] Further, both ends of the rotating roller are rotatably connected with square end heads through bearings.

[0013] Compared with the prior art, the base is fixedly installed on the base frame in cooperation with the supporting seat, when the rotating roller is installed, only the limiting cover needs to be slid to install the end portion of the rotating roller on the supporting seat, and after installation, the limiting cover is reset to position the end portion of the rotating roller, so that the installation operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a left view of the utility model;

[0016] Figure 3 It is an explosion view of the connecting structure of the utility model;

[0017] Figure 4 It is a left sectional view of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, base frame; 11, side plate; 12, cross beam; 13, sliding rail; 2, connecting structure; 21, base; 211, horizontal strip; 212, first threaded hole; 22, supporting seat; 221, L-shaped seat; 222, receiving groove; 223, first mounting groove; 224, mounting hole; 225, spring; 226, sliding groove; 227, protruding block; 228, second threaded hole; 23, limiting cover; 231, outer shell; 232, second mounting groove; 233, sliding strip; 234, strip-shaped through groove; 3, rotating roller; 32, square end head. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clearly, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope of the utility model specifically requested.

[0021] As Figures 1-3 shown, a rack roller connecting device, including base frame 1, both sides of the top end of base frame 1 are provided with the connecting structure 2 that is equidistantly distributed along the length direction of base frame 1, a plurality of connecting structures 2 are one-to-one correspondingly arranged, the connecting structure 2 between each pair of corresponding arrangement is provided with rotating roller 3, connecting structure 2 includes the base 21 that is slidably connected at the top end of base frame 1, the top end of base 21 is fixedly connected with support seat 22 by bolt, the outer portion of support seat 22 is slidably connected with limit cover 23.

[0022] According to the above structure, when installing, base 21 is slidably installed at the top end of base frame 1, the position of base 21 is adjusted, then support seat 22 is fixedly installed at the top end of base 21 by bolt, when installing rotating roller 3, sliding limit cover 23 can install the end of rotating roller 3 on support seat 22, after installation, reset limit cover 23 can position the end of rotating roller 3, and installation operation is convenient.

[0023] As Figure 2 and 3 shown, base frame 1 includes two symmetrically arranged side plates 11, equidistantly distributed cross beams 12 are fixedly connected between the two side plates 11, the top end of side plate 11 is provided with sliding rail 13, base 21 is slidably connected in the inside of sliding rail 13, the top end of base 21 is provided with horizontal bar 211, the middle part of horizontal bar 211 is provided with first threaded hole 212.

[0024] According to the above structure, side plate 11 is used to support connecting structure 2, when installing, base 21 is slidably connected in the inside of sliding rail 13, and the position of base 21 can be adjusted.

[0025] As Figure 3 and 4 shown, support seat 22 includes L-shaped seat 221, the top end of L-shaped seat 221 is provided with receiving groove 222, one side of L-shaped seat 221 is provided with first mounting groove 223, the bottom of first mounting groove 223 is provided with bolt matched with first threaded hole 212, the bottom of L-shaped seat 221 is provided with protrusion 227, the top end of protrusion 227 is provided with second threaded hole 228, and the both ends of rotating roller 3 are rotatably connected with square end head 32 through bearing.

[0026] According to the above structure, after the installation of the base 21 is completed, the bottom end of the L-shaped seat 221 corresponds to the top end of the base 21, the bolt is installed at the bottom of the first mounting groove 223, and the bolt is installed in the first threaded hole 212, so that the bottom end of the L-shaped seat 221 and the top end of the base 21 are clamped together to fix the position of the base 21 and the L-shaped seat 221.

[0027] As shown in Figure 3 and 4 The limiting cover 23 includes an outer shell 231 slidably connected to the outside of the L-shaped seat 221, one side of the outer shell 231 is provided with a second mounting groove 232 corresponding to the first mounting groove 223, the bottom of the outer shell 231 is provided with a strip-shaped through groove 234, the protrusion 227 penetrates the strip-shaped through groove 234, the second threaded hole 228 is provided with a bolt for pressing the outer shell 231, both sides of the inner wall of the outer shell 231 are symmetrically provided with sliding strips 233, both sides of the L-shaped seat 221 are symmetrically provided with sliding grooves 226, two sliding strips 233 are respectively slidably connected to the inside of two sliding grooves 226, one end of the L-shaped seat 221 is symmetrically provided with a mounting hole 224, the inside of the mounting hole 224 is provided with a spring 225, one end of the spring 225 is fixedly connected to one end of the inner wall of the outer shell 231.

[0028] According to the above structure, after the installation of the L-shaped seat 221 is completed, the outer shell 231 is pulled to open the receiving groove 222 at the top end of the L-shaped seat 221, at this time the spring 225 is elongated, the square end 32 at the end of the rotating roller 3 is placed in the receiving groove 222, then the outer shell 231 is released, under the pulling of the spring 225, the outer shell 231 resets to close the receiving groove 222, and then the square end 32 is limited in the receiving groove 222, so that the installation of the rotating roller 3 is completed, after the reset of the outer shell 231, the bolt is installed in the second threaded hole 228, so that the outer shell 231 is pressed outside the L-shaped seat 221, so as to avoid the outer shell 231 from moving freely, when the outer shell 231 is slid, the sliding strip 233 moves along the sliding groove 226, improving the stability of the sliding of the outer shell 231.

[0029] The working principle of the utility model is as follows: when installing, the base 21 is slidably connected inside the slide rail 13, and the position of the base 21 is adjusted, then the bottom end of the L-shaped seat 221 is corresponded to the top end of the base 21, the bolt is installed at the bottom of the first installation groove 223, and the bolt is installed inside the first threaded hole 212, so that the bottom end of the L-shaped seat 221 and the top end of the base 21 are clamped to the top end of the slide rail 13, and the position of the base 21 and the L-shaped seat 221 is fixed, after the L-shaped seat 221 is installed, the shell 231 is pulled, so that the receiving groove 222 at the top end of the L-shaped seat 221 is opened, at this time, the spring 225 is elongated, the square end head 32 at the end of the rotating roller 3 is placed inside the receiving groove 222, then the shell 231 is loosened, under the pulling of the spring 225, the shell 231 is reset to close the receiving groove 222, so that the square end head 32 is limited inside the receiving groove 222, the installation of the rotating roller 3 is completed, after the shell 231 is reset, the bolt is installed inside the second threaded hole 228, so that the shell 231 is pressed outside the L-shaped seat 221, so that the shell 231 is prevented from moving randomly, when the shell 231 is slid, the slide bar 233 moves along the sliding groove 226, and the stability of the shell 231 when sliding is improved.

[0030] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A frame roller connecting device, comprising a base frame (1), characterized in that: Both sides of the top of the base frame (1) are provided with connecting structures (2) that are equidistantly distributed along the length of the base frame (1). Several connecting structures (2) are provided one-to-one. A rotating roller (3) is provided between each pair of corresponding connecting structures (2). The connecting structure (2) includes a base (21) that is slidably connected to the top of the base frame (1). The top of the base (21) is fixedly connected to a support seat (22) by bolts. A limit cover (23) is slidably connected to the outside of the support seat (22).

2. The frame roller connecting device according to claim 1, characterized in that: The base frame (1) includes two symmetrically arranged side plates (11), and equidistant crossbeams (12) are fixedly connected between the two side plates (11). A slide rail (13) is provided at the top of the side plate (11).

3. The frame roller connecting device according to claim 2, characterized in that: The base (21) is slidably connected inside the slide rail (13). A horizontal bar (211) is provided at the top of the base (21), and a first threaded hole (212) is provided in the middle of the horizontal bar (211).

4. The frame roller connecting device according to claim 3, characterized in that: The support base (22) includes an L-shaped base (221), the top of the L-shaped base (221) is provided with a receiving groove (222), one side of the L-shaped base (221) is provided with a first mounting groove (223), the bottom of the first mounting groove (223) is provided with a bolt that mates with a first threaded hole (212), the bottom of the L-shaped base (221) is provided with a protrusion (227), and the top of the protrusion (227) is provided with a second threaded hole (228).

5. The frame roller connecting device according to claim 4, characterized in that: The limiting cover (23) includes a housing (231) slidably connected to the outside of the L-shaped seat (221). A second mounting groove (232) corresponding to the first mounting groove (223) is provided on one side of the housing (231). A strip-shaped through groove (234) is provided at the bottom of the housing (231). The protrusion (227) passes through the strip-shaped through groove (234). A bolt for pressing the housing (231) is provided inside the second threaded hole (228).

6. The frame roller connecting device according to claim 5, characterized in that: The inner walls of the outer shell (231) are symmetrically provided with slide bars (233) on both sides, and the L-shaped seat (221) is symmetrically provided with slide grooves (226) on both sides. The two slide bars (233) are slidably connected inside the two slide grooves (226) respectively.

7. A frame roller connecting device according to claim 6, characterized in that: One end of the L-shaped seat (221) is symmetrically provided with a mounting hole (224), and a spring (225) is provided inside the mounting hole (224). One end of the spring (225) is fixedly connected to one end of the inner wall of the outer shell (231).

8. The frame roller connecting device according to claim 1, characterized in that: Both ends of the roller (3) are rotatably connected to square ends (32) via bearings.

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