Clamping mechanism for automatic core bar feeding robot

Abstract

The utility model discloses a clamping mechanism for an automatic core bar feeding robot, which comprises a clamping control rack, a servo motor is arranged at the rear end of the clamping control rack, the output end of the servo motor is connected with a driving gear through a rotating shaft, a driven gear is arranged on one side of the driving gear, and a driven gear is arranged on the other side of the driven gear. The lower end of the driving gear is connected with a first clamping machine head through a transmission rod, the lower end of the driven gear is connected with a second clamping machine head through a transmission rod, clamping groove structures are arranged in the first clamping machine head and the second clamping machine head, and limiting steps are arranged at the bottom ends of the clamping groove structures. The two gear structures are driven and controlled by the servo motor to perform mutual meshing transmission, and the first clamping machine head and the second clamping machine head are conducted and controlled by the transmission rod to move in opposite directions, so that core bar blocky parts can be conveniently and quickly taken; and a clamping groove structure is arranged in the clamping machine head to be matched with a limiting step, so that the blocky parts of the core bar can be clamped more stably and firmly.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping mechanical technology field, concretely is a kind of automatic core bone robot with clamping mechanism. BACKGROUND

[0002] To ensure the support strength of the inner cavity sand core of casting, a core bone is often placed in the sand core to support the sand core. The cylindrical core bone can ensure the basic size of the sand mold cavity, but there are some shortcomings. Some sand cores have small diameters, and it is not suitable to drill holes in the sand cores after the sand cores are completed and then place core bones. Therefore, a core bone clamping mechanism is needed to clamp and fix the core bone material.

[0003] A core bone placing device is disclosed in Chinese patent document CN208772383U. The core bone is fixed in the cavity formed by the upper core box and the lower core box. The left and right ends of the core bone are provided with left and right positioning blocks. The two ends of the core bone have bending parts. The left and right sides of the core bone are respectively arranged on the left and right positioning blocks, and the bending parts at the left and right ends are tightly clamped on the left and right positioning blocks. The upper core box and the lower core box are connected to fix the core bone in the middle of the cavity. The core bone placing device can ensure the stability of the core bone during casting, has a simple structure, is safe and reliable, and is easy to use.

[0004] The above prior art cannot firmly and stably clamp the core bone block-shaped material, resulting in inaccurate installation and positioning of the core bone material. Therefore, an automatic core bone robot clamping mechanism needs to be developed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of automatic core bone robot clamping mechanism, to solve the problem that the prior art cannot firmly and stably clamp the core bone block-shaped material, resulting in inaccurate installation and positioning of the core bone material as described in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an automatic core bone robot clamping mechanism includes a clamping control frame. A servo motor is installed at the rear end of the clamping control frame. A driving gear is connected to the output end of the servo motor through a shaft. A driven gear is installed on one side of the driving gear. A first clamping head is connected to the lower end of the driving gear through a transmission rod. A second clamping head is connected to the lower end of the driven gear through a transmission rod. A clamping groove structure is provided inside the first clamping head and the second clamping head. A limiting step is provided at the bottom end of the clamping groove structure.

[0007] Preferably, the upper end of the first and second clamping heads is provided with a clamping arm structure, the inside of the clamping arm structure is provided with a fixed clamping groove, and the inner wall of the fixed clamping groove is provided with a fixed shaft hole at both ends.

[0008] Preferably, the two ends of the transmission rod are connected with the fixed shaft hole through a fixed shaft.

[0009] Preferably, the front end of the clamping control rack is connected with a traction rod through a movable shaft.

[0010] Preferably, the lower end of the traction rod is connected with the fixed shaft hole through a fixed shaft.

[0011] Preferably, the driving gear and the driven gear are connected through meshing transmission.

[0012] Preferably, the upper end of the clamping control rack is provided with a fixed chuck, and the fixed chuck is fixedly connected with the robot body through a control shaft.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a servo motor is driven to control two gear structures to mutually mesh transmission, and the transmission rod conduction controls the first clamping head and the second clamping head to move in the opposite direction, thereby facilitating the quick taking of the core bone block -like part, and the clamping groove structure is used for seamless fitting fixing with the core bone block -like part through the clamping groove structure being arranged in the clamping head, and the limiting step can play the limiting bearing fixed action to the bottom of the core bone block -like part, thereby can hold the core bone block -like part more stable firm. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the side surface structure schematic diagram of the utility model;

[0017] Figure 3 It is the inside installation structure schematic diagram of the utility model;

[0018] Figure 4 It is the first clamping head structure schematic diagram of the utility model.

[0019] In the drawing: 1, servo motor;2, fixed chuck;3, clamping control rack;4, first clamping head;5, second clamping head;6, driving gear;7, movable shaft;8, transmission rod;9, fixed shaft;10, traction rod;11, fixed shaft hole;12, clamping arm structure;13, fixed clamping groove;14, clamping groove structure;15, limiting step;16, driven gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of clamping mechanism for automatic core setting robot, including clamping control rack 3, servo motor 1 is installed at the rear end of clamping control rack 3, the output end of servo motor 1 is connected with driving gear 6 by pivot, one side of driving gear 6 is installed with driven gear 16, the lower end of driving gear 6 is connected with first clamping head 4 by transmission rod 8, the lower end of driven gear 16 is connected with second clamping head 5 by transmission rod 8, the inside of first clamping head 4 and second clamping head 5 is provided with clamping groove structure 14, the bottom of clamping groove structure 14 is provided with limit step 15.

[0022] Further, the upper end of first clamping head 4 and second clamping head 5 is equipped with clamping arm structure 12, the inside of clamping arm structure 12 is provided with fixed clamping groove 13, and the inner wall of fixed clamping groove 13 is provided with fixed shaft hole 11 at both ends.

[0023] Further, the both ends of transmission rod 8 are connected with fixed shaft hole 11 through fixed shaft 9, so that transmission rod 8 can drive clamping arm structure 12 to operate.

[0024] Further, the front end of clamping control rack 3 is connected with traction rod 10 through movable shaft 7.

[0025] Further, the lower end of traction rod 10 is connected with fixed shaft hole 11 through fixed shaft 9, so that traction rod 10 can drive clamping arm structure 12 to operate.

[0026] Further, driving gear 6 and driven gear 16 are connected through meshing transmission, which facilitates driving control of the two clamping heads below to move in opposite directions.

[0027] Further, the upper end of clamping control rack 3 is equipped with fixed chuck 2, and fixed chuck 2 is fixedly connected with robot body through control shaft, which has the advantages of convenient installation and fixation, and facilitates quick connection and fixation between clamping control rack 3 and robot body.

[0028] Working principle: when using, the rear end of the clamping control frame 3 is provided with a servo motor 1, the output end of the servo motor 1 is connected with a driving gear 6 through a rotating shaft, one side of the driving gear 6 is provided with a driven gear 16, the lower end of the driving gear 6 is connected with a first clamping head 4 through a transmission rod 8, the lower end of the driven gear 16 is connected with a second clamping head 5 through a transmission rod 8, by starting the servo motor 1, the driving control between the driving gear 6 and the driven gear 16 is driven, the first clamping head 4 and the second clamping head 5 are conducted control through the transmission rod 8 to move in opposite directions, so that the core bone block-shaped parts can be quickly taken, the inside of the first clamping head 4 and the second clamping head 5 is provided with a clamping groove structure 14, the bottom end of the clamping groove structure 14 is provided with a limiting step 15, by providing the clamping groove structure 14 in the clamping head and cooperating with the limiting step 15, the clamping groove structure 14 is used for seamless fitting and fixing with the core bone block-shaped parts, the limiting step 15 can limit and bear the bottom of the core bone block-shaped parts, so that the core bone block-shaped parts can be clamped more stably and firmly.

[0029] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] The standard parts used in the present application file can be purchased from the market, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clamping mechanism for an automatic core-unloading robot, comprising a clamping control frame (3), characterized in that, A servo motor (1) is installed at the rear end of the clamping control frame (3). The output end of the servo motor (1) is connected to a drive gear (6) via a rotating shaft. A driven gear (16) is installed on one side of the drive gear (6). The lower end of the drive gear (6) is connected to a first clamping head (4) via a transmission rod (8). The lower end of the driven gear (16) is connected to a second clamping head (5) via a transmission rod (8). The first clamping head (4) and the second clamping head (5) are provided with a clamping groove structure (14). The bottom end of the clamping groove structure (14) is provided with a limit step (15).

2. The clamping mechanism for an automatic core-lowering robot according to claim 1, characterized in that: The upper ends of the first clamping head (4) and the second clamping head (5) are both equipped with clamping arm structures (12). The clamping arm structure (12) is provided with a fixing slot (13) inside. The inner walls of the fixing slot (13) are provided with fixing shaft holes (11) at both ends.

3. The clamping mechanism for an automated core-lowering robot according to claim 1, characterized in that: The two ends of the transmission rod (8) are connected to the fixed shaft hole (11) via the fixed shaft (9).

4. The clamping mechanism for an automatic core-lowering robot according to claim 1, characterized in that: The front end of the clamping control frame (3) is connected to a traction rod (10) via a movable shaft (7).

5. The clamping mechanism for an automatic core-lowering robot according to claim 4, characterized in that: The lower end of the traction rod (10) is connected to the fixed shaft hole (11) via a fixed shaft (9).

6. The clamping mechanism for an automatic core-lowering robot according to claim 1, characterized in that: The driving gear (6) and the driven gear (16) are connected by meshing transmission.

7. The clamping mechanism for an automatic core-lowering robot according to claim 1, characterized in that: The upper end of the clamping control frame (3) is equipped with a fixed chuck (2), which is fixedly connected to the robot body through a control shaft.

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