Feeding device

Abstract

The utility model belongs to the technical field of reinforcing steel bar machining equipment, and particularly relates to a feeding device which comprises a rack. The feeding mechanism is connected to the rack in a sliding mode through a guide rail and used for clamping materials; the driving mechanism is installed on the rack, drives the feeding mechanism to work through a universal coupling and is used for sending out the clamped materials; the feeding mechanism is at least provided with a first clamping assembly and a second clamping assembly, the second clamping assembly is movably installed on the guide rail, and a clamping feeding position is formed between the first clamping assembly and the second clamping assembly; the driving part is mounted on the rack and used for driving the second clamping assembly to move; the linkage assembly is installed on the rack, the end of the linkage assembly is connected with the first clamping assembly and the second clamping assembly, and the linkage assembly is used for making the first clamping assembly and the second clamping assembly get close to each other or get away from each other; the universal coupling is connected with the first clamping assembly and the driving mechanism, the requirement for the precision of the whole machine is not high, and the feeding mechanism clamps the materials more stably through the guide rail.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing equipment, in particular to a feeding device. Background Art

[0002] In the field of construction engineering, steel bars are an important building material, and their processing is crucial to the quality and efficiency of the project. As one of the essential equipment in steel bar processing, the steel bar cutting machine is mainly used to cut steel bars to a fixed length, and the steel bar cutting machine is equipped with a feeding device to transport the steel bars.

[0003] For example, an automatic feeding device disclosed in Chinese patent publication number CN204096569U includes a motor, a reducer and a pressure wheel assembly, the pressure wheel assembly has a clamping pressure wheel and an X-shaped cross device, a large gear is provided on the output shaft of the reducer, a small gear is provided on the clamping pressure wheel, the large gear and the small gear are meshed to realize power transmission, the intersection of the cross device is hinged with the machine base through a pin shaft, the connecting rod I and the connecting rod II of the cross device can rotate with each other, a shear force is formed when a force is applied, and the round steel passing through the cross device is clamped by the clamping pressure wheel;

[0004] This patent has some shortcomings. When connecting rod I and connecting rod II are subjected to force and rotate relative to each other, the small gear on the clamping wheel will move on the circumferential side of the large gear. After the position of the small gear changes, due to insufficient machine precision, it is easy to cause the small gear and the large gear to be loosely engaged, affecting the power transmission of the clamping wheel to the steel bar, causing inaccurate feeding position and affecting feeding. Utility Model Content

[0005] The purpose of the utility model is to provide a feeding device, by arranging a universal coupling between a feeding mechanism and a driving mechanism, the universal coupling realizes power transmission when the first clamping assembly and the second clamping assembly are approaching each other, and the precision requirement is low, thereby improving the problem that the clamping pressure wheel cannot clamp the steel bars and feed the materials due to the insufficient precision of the small gear moving on the circumferential side of the large gear.

[0006] The purpose of the utility model is achieved in this way:

[0007] A feeding device, used for feeding a steel bar cutting machine, comprises:

[0008] frame;

[0009] A feeding mechanism, which is slidably connected to the frame via a guide rail and is used to clamp the material;

[0010] A driving mechanism, which is mounted on the frame and drives the feeding mechanism to work through a universal coupling, so as to realize conveying the clamped material to the steel bar cutting machine;

[0011] Wherein, the feeding mechanism at least has:

[0012] A first clamping assembly, which is movably mounted on the guide rail;

[0013] A second clamping assembly is movably mounted on the guide rail, and a clamping and feeding position is formed between the first clamping assembly and the second clamping assembly;

[0014] A driving member, which is mounted on the frame and is used to drive the second clamping assembly to move;

[0015] A linkage assembly is mounted on the frame, and its ends are respectively connected to the first clamping assembly and the second clamping assembly, so as to make the first clamping assembly and the second clamping assembly move closer to or farther from each other;

[0016] The universal coupling connects the first clamping assembly and the driving mechanism.

[0017] Preferably, the linkage component comprises:

[0018] A support frame is installed on the frame, and the support frame is provided with a receiving cavity, and a side wall of the receiving cavity is provided with an escape opening;

[0019] A gear shaft, rotatably mounted in the accommodating cavity;

[0020] Rack 1, which is mounted on the first clamping assembly, the upper end of which is placed in the avoidance opening and meshes with the gear shaft;

[0021] A second rack, which is mounted on the second clamping assembly, the lower end of which is placed in the avoidance opening and meshes with the gear shaft;

[0022] When the driving member drives the second clamping assembly to move on the guide rail, the second rack moves accordingly, and the first clamping assembly equipped with the first rack is driven to move synchronously through the gear shaft, thereby achieving the first clamping assembly and the second clamping assembly approaching or moving away from each other.

[0023] Preferably, the first clamping assembly comprises:

[0024] A sliding member 1, which is slidably connected to the guide rail;

[0025] A rotating shaft, which is rotatably mounted on the sliding member 1, and a rear end of the rotating shaft is movably connected to the universal coupling;

[0026] A driving wheel, which is clamped on the front end of the rotating shaft;

[0027] When the driving mechanism drives the rotating shaft to rotate through the universal coupling, the rotating shaft drives the driving wheel to rotate, so that the clamped material is transported to the steel bar cutting machine.

[0028] Preferably, the second clamping assembly comprises:

[0029] A second sliding member, which is slidably connected to the guide rail, and an upper end of the second sliding member is movably connected to the driving member;

[0030] A pin shaft, which is arranged on the second sliding member;

[0031] A driven wheel, which is rotatably mounted on the front end of the pin shaft through bearing three;

[0032] When the driving wheel rotates to move the steel bars, the driven wheel assists the driving wheel to move the steel bars.

[0033] Preferably, a first limiting groove is provided on the side end of the rotating shaft, a second limiting groove is provided on the inner side wall of the driving wheel, and limiting blocks are arranged in the first limiting groove and the second limiting groove to realize synchronous rotation of the rotating shaft and the driving wheel.

[0034] Preferably, the first clamping assembly has a first abutment portion, and when a lower end of the rack is mounted on the first clamping assembly, the first abutment portion abuts against a side end of the first rack;

[0035] The second clamping assembly has a second abutment portion. When the upper end of the second rack is mounted on the second clamping assembly, the second abutment portion abuts against the side end of the second rack.

[0036] Preferably, a connecting groove 1 is provided on the first clamping assembly, and the lower end of the rack 1 extends into the connecting groove 1 and is connected to the first clamping assembly through a limiting tooth block 1;

[0037] A second connecting groove is provided on the second clamping assembly, and the upper end of the second rack extends into the second connecting groove and is connected to the second clamping assembly through a second limiting tooth block.

[0038] Preferably, the driving mechanism comprises:

[0039] A motor, which is mounted on the frame;

[0040] A reducer is arranged on the frame, an input shaft of the reducer is connected to the motor, and an output shaft of the reducer is connected to the universal coupling.

[0041] Preferably, an annular groove is provided on the outer side walls of the driving wheel and the driven wheel, and when the first clamping assembly and the second clamping assembly clamp the material, the material is placed in the annular groove.

[0042] Preferably, both ends of the gear shaft are sleeved with bearing 1, and the bearing 1 abuts against the inner wall of the accommodating cavity to achieve stable rotation of the gear shaft.

[0043] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0044] The utility model is connected with the feeding mechanism through the universal coupling of the driving mechanism. When the first clamping assembly and the second clamping assembly move on the guide rail to clamp the material, the universal coupling transmits the power of the driving mechanism to the first clamping assembly. The overall precision requirement of the machine is not high. At the same time, the feeding mechanism has better sliding bearing capacity and is more stable on the guide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a structural schematic diagram of the utility model.

[0046] Figure 2 It is a structural schematic diagram of the driving mechanism and the feeding mechanism of the utility model.

[0047] Figure 3 It is an exploded view of the utility model.

[0048] Figure 4 It is a structural schematic diagram of the utility model without a supporting frame.

[0049] Figure 5 It is a structural schematic diagram of the linkage assembly and the feeding mechanism of the utility model.

[0050] Figure numerals: 1. frame; 12. guide rail; 2. first clamping assembly; 21. sliding member 1; 22. rotating shaft; 221. limiting groove 1; 23. driving wheel; 231. limiting groove 2; 24. bearing 2; 25. abutment portion 1; 26. connecting groove 1; 3. second clamping assembly; 31. sliding member 2; 32. driven wheel; 33. pin shaft; 34. bearing 3; 35. abutment portion 2; 36. connecting groove 2; 4. linkage assembly; 41. support frame; 411. accommodating chamber; 412. avoidance; 42. gear shaft; 43. rack 1; 44. rack 2; 45. bearing 1; 5. driving mechanism; 51. universal joint; 52. reducer; 6. ring groove. DETAILED DESCRIPTION

[0051] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0052] Embodiment 1:

[0053] Combination Figures 1 to 3A feeding device for feeding a steel bar cutting machine comprises: a frame 1; a feeding mechanism, which is slidably connected to the frame 1 through a guide rail 12 and is used to clamp materials; a driving mechanism 5, which is installed on the frame 1 and drives the feeding mechanism to work through a universal coupling 51, so as to realize the conveying of the clamped materials to the steel bar cutting machine; wherein the feeding mechanism at least comprises: a first clamping assembly 2, which is movably installed on the guide rail 12; a second clamping assembly 3, which is movably installed on the guide rail 12, and a clamping and feeding member is formed between the first clamping assembly 2 and the second clamping assembly 3. Material level, as the first clamping component 2 and the second clamping component 3 approach each other, the clamping feeding position will gradually decrease and clamp the steel bar; a driving member, which is installed on the frame 1, is used to drive the second clamping component 3 to move on the guide rail 12, and the driving member is a driving cylinder, a hydraulic cylinder, an oil cylinder or an electric push rod; a linkage component 4, which is installed on the frame 1, and the ends are respectively connected to the first clamping component 2 and the second clamping component 3, and is used to make the first clamping component 2 and the second clamping component 3 approach or move away from each other; a universal coupling 51 connects the first clamping component 2 and the driving mechanism 5.

[0054] The frame 1 has a lower plate, a vertical plate and an upper plate. The lower plate is used to be placed on a desktop or a table top of a steel bar cutting machine. The feeding mechanism is installed on the vertical plate, the driving mechanism 5 is installed on the upper end of the lower plate, and the driving member is installed on the upper plate; a through hole and a waist-shaped hole are opened on the vertical plate, the support frame 41 is installed in the through hole by screws, and the rotating shaft 22 is placed in the waist-shaped hole and can move up and down in the waist-shaped hole.

[0055] In this solution, two guide rails 12 are used and vertically connected to the vertical plate by screws. A slider is slidably connected to the guide rail 12, and the slider is connected to a slider 1 21 and a slider 2 31 by screws.

[0056] Combination Figure 3 and Figure 4The linkage assembly 4 includes: a support frame 41, which is mounted on the frame 1, and the support frame 41 is provided with a receiving cavity 411, and a side wall of the receiving cavity 411 is provided with an avoidance opening 412; a gear shaft 42, which is rotatably mounted in the receiving cavity 411, and both ends of the gear shaft 42 are sleeved with bearings 45, and the bearings 45 abut against the inner side wall of the receiving cavity 411 to achieve stable rotation of the gear shaft 42; a rack 43, which is mounted on the first clamping assembly 2, and the upper end of the rack 43 is placed in the avoidance opening 412 and meshes with the gear shaft 42 ; Rack 2 44, which is installed on the second clamping assembly 3, the lower end of the rack 2 44 is placed in the avoidance opening 412 and meshes with the gear shaft 42; the rack 1 43 and the rack 2 44 are respectively connected to the sliding member 1 21 and the sliding member 2 31 by screws; when the driving member drives the second clamping assembly 3 to move on the guide rail 12, the rack 2 44 follows the movement, and drives the first clamping assembly 2 equipped with the rack 1 43 to move synchronously through the gear shaft 42, thereby realizing the first clamping assembly 2 and the second clamping assembly 3 approaching or moving away from each other.

[0057] Combination Figures 2 to 5 The first clamping assembly 2 includes: a sliding member 21, which is slidably connected to the guide rail 12; a rotating shaft 22, which is rotatably installed on the sliding member 21, a bearing 24 is provided between the rotating shaft 22 and the sliding member 21, and the rear end of the rotating shaft 22 is movably connected to the universal coupling 51; a driving wheel 23, which is clamped at the front end of the rotating shaft 22; when the driving mechanism 5 drives the rotating shaft 22 to rotate through the universal coupling 51, the rotating shaft 22 drives the driving wheel 23 to rotate, so as to realize the conveying of the clamped material to the steel bar cutting machine.

[0058] Combination Figure 3 and Figure 4 A limiting groove 221 is provided at the side end of the rotating shaft 22 along the axis, and a limiting groove 231 is provided on the inner side wall of the driving wheel 23 along the axis. Limiting blocks are arranged in the limiting groove 221 and the limiting groove 231 to realize the synchronous rotation of the rotating shaft 22 and the driving wheel 23.

[0059] In order to realize synchronous rotation of the rotating shaft 22 and the driving wheel 23 , a limiting protrusion may be formed on the outer wall of the rotating shaft 22 , and a second limiting groove 231 may be provided on the inner wall of the driving wheel 23 , and the limiting protrusion may be placed in the second limiting groove 231 .

[0060] Combination Figures 2 to 5 The second clamping assembly 3 includes: a second sliding member 31, which is slidably connected to the guide rail 12, and the upper end of the second sliding member 31 is movably connected to the driving end of the driving member; a pin shaft 33, which is arranged on the second sliding member 31; a driven wheel 32, which is rotatably mounted on the front end of the pin shaft 33 through a bearing three 34; when the driving wheel 23 rotates to move the steel bar, the driven wheel 32 assists the driving wheel 23 to move the steel bar.

[0061] When the first clamping assembly 2 and the second clamping assembly 3 approach each other and clamp the material, the driving wheel 23 and the driven wheel 32 clamp the material, and the driving mechanism 5 drives the driving wheel 23 to rotate through the universal coupling 51, and the driving wheel 23 drives the material forward, and the driven wheel 32 rotates accordingly to assist in moving the material forward; the number of the driving wheel 23 and the driven wheel 32 in this scheme is two.

[0062] Specific as Figure 5 As shown, the first clamping component 2 has an abutment portion 25, and when the lower end of the rack 43 is installed on the first clamping component 2, the abutment portion 25 abuts against the side end of the rack 43; the second clamping component 3 has an abutment portion 35, and when the upper end of the rack 44 is installed on the second clamping component 3, the abutment portion 35 abuts against the side end of the rack 44, and the abutment portion 25 and the abutment portion 35 respectively prevent the rack 43 and the rack 44 from being able to mesh tightly with the gear shaft 42 when moving up and down.

[0063] The first clamping component 2 is provided with a connecting groove 26, and the lower end of the rack 43 extends into the connecting groove 26 and is connected to the first clamping component 2 through a limiting tooth block 1. The limiting tooth block 1 is placed in the connecting groove 26 and meshes with the lower end of the rack 43; the second clamping component 3 is provided with a connecting groove 36, and the upper end of the rack 44 extends into the connecting groove 36, and is connected to the second clamping component 3 through a limiting tooth block 2. The limiting tooth block 2 is placed in the connecting groove 36 and meshes with the upper end of the rack 44.

[0064] like Figure 2 As shown, the driving mechanism 5 includes: a motor, which is installed on the frame 1; a reducer 52, which is arranged on the frame 1, the input shaft of the reducer 52 is connected to the motor, and the output shaft of the reducer 52 is connected to the universal coupling 51; a tooth groove is formed on the output shaft of the reducer 52, and the connecting end of the universal coupling 51 is a spline shaft, and the spline shaft is placed in the tooth groove to realize the connection between the universal coupling 51 and the reducer 52.

[0065] Combination Figure 2 and Figure 3 , an annular groove 6 is provided on the outer side walls of the driving wheel 23 and the driven wheel 32 , and when the first clamping assembly 2 and the second clamping assembly 3 clamp the material, the material is placed in the annular groove 6 .

[0066] Embodiment 2:

[0067] The design scheme of this embodiment is basically the same as that of embodiment 1, except that the linkage component 4 adopts a rotating shaft installed on the vertical plate of the frame 1, and a connecting rod is horizontally penetrated at the front end of the rotating shaft, and transmission bar 1 and transmission bar 2 are respectively hinged at both ends of the connecting rod, and transmission bar 1 and transmission bar 2 are respectively connected to the first clamping component 2 and the second clamping component 3. When the driving member drives the second clamping component 3 to move downward, transmission bar 2 moves downward and causes one end of the connecting rod to rotate downward with the rotating shaft as the center of the circle. At this time, the other end of the connecting rod rotates upward with the rotating shaft as the center of the circle and drives transmission bar 1 to move upward. Transmission bar 1 drives the first clamping component 2 to move upward, so that the first clamping component 2 and the second clamping component 3 are close to each other and clamp the material.

[0068] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A feeding device for feeding a steel bar cutting machine, characterized in that: include: Rack (1); A feeding mechanism, which is slidably connected to the frame (1) via a guide rail (12) and is used for clamping materials; A driving mechanism (5) is mounted on the frame (1) and drives the feeding mechanism to work via a universal coupling (51), so as to transport the clamped material to the steel bar cutting machine; Wherein, the feeding mechanism at least has: A first clamping assembly (2) movably mounted on the guide rail (12); A second clamping assembly (3) is movably mounted on the guide rail (12), and a clamping and feeding position is formed between the first clamping assembly (2) and the second clamping assembly (3); A driving member, which is mounted on the frame (1) and is used to drive the second clamping assembly (3) to move; A linkage assembly (4), which is mounted on the frame (1), and whose ends are respectively connected to the first clamping assembly (2) and the second clamping assembly (3), and is used to move the first clamping assembly (2) and the second clamping assembly (3) closer to or farther away from each other; The universal coupling (51) connects the first clamping assembly (2) and the driving mechanism (5).

2. A feeding device according to claim 1, characterized in that: The linkage component (4) comprises: A support frame (41) is mounted on the frame (1), and the support frame (41) is provided with a receiving cavity (411), and a side wall of the receiving cavity (411) is provided with an escape opening (412); a gear shaft (42) rotatably mounted in the accommodating cavity (411); Rack one (43), which is mounted on the first clamping assembly (2), the upper end of the rack one (43) is placed in the avoidance opening (412) and meshes with the gear shaft (42); Rack 2 (44) is mounted on the second clamping assembly (3), the lower end of rack 2 (44) is placed in the avoidance opening (412) and meshes with the gear shaft (42); When the driving member drives the second clamping assembly (3) to move on the guide rail (12), the second rack (44) moves accordingly, and the first clamping assembly (2) equipped with the first rack (43) is driven to move synchronously through the gear shaft (42), thereby achieving the first clamping assembly (2) and the second clamping assembly (3) to move closer to or farther away from each other.

3. A feeding device according to claim 2, characterized in that: The first clamping assembly (2) comprises: A sliding member (21) slidably connected to the guide rail (12); A rotating shaft (22) is rotatably mounted on the sliding member (21), and a rear end of the rotating shaft (22) is movably connected to the universal coupling (51); A driving wheel (23) which is clamped on the front end of the rotating shaft (22); When the driving mechanism (5) drives the rotating shaft (22) to rotate via the universal coupling (51), the rotating shaft (22) drives the driving wheel (23) to rotate, thereby delivering the clamped material to the steel bar cutting machine.

4. A feeding device according to claim 3, characterized in that: The second clamping assembly (3) comprises: A second sliding member (31) is slidably connected to the guide rail (12), and the upper end of the second sliding member (31) is movably connected to the driving member; A pin (33) disposed on the second sliding member (31); A driven wheel (32) is rotatably mounted on the front end of the pin shaft (33) via a bearing three (34); When the driving wheel (23) rotates to move the steel bars, the driven wheel (32) assists the driving wheel (23) to move the steel bars.

5. A feeding device according to claim 3, characterized in that: A first limiting groove (221) is provided at the side end of the rotating shaft (22), and a second limiting groove (231) is provided on the inner side wall of the driving wheel (23). Limiting blocks are arranged in the first limiting groove (221) and the second limiting groove (231) to achieve synchronous rotation of the rotating shaft (22) and the driving wheel (23).

6. A feeding device according to any one of claims 2 to 5, characterized in that: The first clamping assembly (2) has an abutment portion (25), and when the lower end of the rack (43) is mounted on the first clamping assembly (2), the abutment portion (25) abuts against the side end of the rack (43); The second clamping assembly (3) has a second abutment portion (35), and when the upper end of the second rack (44) is mounted on the second clamping assembly (3), the second abutment portion (35) abuts against the side end of the second rack (44).

7. A feeding device according to any one of claims 2 to 5, characterized in that: The first clamping assembly (2) is provided with a connecting groove (26), the lower end of the rack (43) extends into the connecting groove (26) and is connected to the first clamping assembly (2) via a limiting tooth block (43); The second clamping assembly (3) is provided with a second connecting groove (36), the upper end of the second rack (44) extends into the second connecting groove (36) and is connected to the second clamping assembly (3) via a second limiting tooth block.

8. A feeding device according to claim 1, characterized in that: The driving mechanism (5) comprises: A motor, which is mounted on the frame (1); A reducer (52) is arranged on the frame (1), the input shaft of the reducer (52) is connected to the motor, and the output shaft of the reducer (52) is connected to the universal coupling (51).

9. A feeding device according to claim 4, characterized in that: Annular grooves (6) are provided on the outer side walls of the driving wheel (23) and the driven wheel (32). When the first clamping assembly (2) and the second clamping assembly (3) clamp a material, the material is placed in the annular groove (6).

10. A feeding device according to claim 2, characterized in that: Both ends of the gear shaft (42) are sleeved with bearings 1 (45), and the bearings 1 (45) abut against the inner wall of the accommodating cavity (411), thereby achieving stable rotation of the gear shaft (42).

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