Convenient-to-use grabbing device for mechanical part machining

Abstract

The utility model discloses a mechanical part machining gripping device convenient to use, which comprises a stand column, a mounting plate arranged at the bottom of the stand column and a gripping assembly arranged on the stand column, the gripping assembly comprises an adjusting mechanism, a gripping mechanism and a limiting mechanism are arranged on the adjusting mechanism, and the gripping mechanism comprises two electric push rods. Each clamping arm is opened, the precise part abuts against the bottom of a first connecting plate, a hook arm is driven by the tension of a tension spring to get close to the precise part, and therefore the tensioning degree of one side of the precise part is improved, the clamping arms clamp the precise part through the torsion of a torsion spring, a hand wheel is rotated to enable a screw to drive a sliding block to ascend, and then a limiting mechanism is driven to ascend. The precise parts can be thoroughly clamped, the three same precise parts can be grabbed at the same time, washing, grinding and other related machining operations can be conveniently carried out at the same time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical direction of precision mechanical processing, and in particular relates to a grabbing device for processing mechanical parts which is easy to use. Background Art

[0002] With the continuous development of precision mechanical workpiece processing technology, precision mechanical workpieces are produced on an assembly line. When the assembly line produces precision mechanical workpieces, it is necessary to move the jaws of the robotic arm to the top of the mechanical workpiece, close the jaws to grab the mechanical workpiece, and move the robotic arm to grab the mechanical workpiece from the assembly line and place it in a fixed position.

[0003] CN215149206U A gripping device for processing mechanical parts which is easy to use, comprises a clamping assembly, comprising a mounting block, wherein the mounting blocks are provided in three numbers and are distributed in a circular array, the mounting block on the front side and the mounting blocks on the left and right sides are rotatably connected by an arc-shaped telescopic rod, the left end of the mounting block on the front side is provided with a connecting column, the upper surface of the mounting block is fixedly connected with a clamping block by a fixing column, the stability during gripping is ensured by clamping and fixing the outer arc surface of the cylindrical mechanical part at three points, and the position and angle between the three clamping blocks can be adjusted, so as to facilitate the fixing of cylindrical mechanical parts with different diameters, and effectively avoid the problem that the cylindrical mechanical part cannot be directly inserted between the three clamping blocks due to the other parts being fixedly connected at both ends.

[0004] However, this patent can only grasp and clamp the same object at the same time, which means that multiple parts cannot be grasped and processed at the same time, resulting in the inability to grasp batches when batch processing of parts, thereby reducing production efficiency. Therefore, an easy-to-use grasping device for mechanical parts processing is proposed to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a grabbing device for machining mechanical parts that is easy to use, aiming at the existing devices, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a convenient-to-use grasping device for machining mechanical parts, comprising a column;

[0007] A mounting plate disposed at the bottom of the column;

[0008] And a grabbing assembly arranged on the column, the grabbing assembly comprises an adjusting mechanism, and the adjusting mechanism is provided with a grabbing mechanism and a limiting mechanism.

[0009] The utility model further illustrates that the grabbing mechanism includes two electric push rods, and the front ends of the inner rods of the two electric push rods are fixedly installed with a connecting plate 1, and the front of the connecting plate 1 is provided with a slide groove in turn, and the inner wall of each slide groove is slidably connected to a hook arm, and each hook arm is fixedly connected to the inner wall of the slide groove in which it is located with a tension spring, and the front side of the top of each hook arm is bonded with an adjustment rope, and the top of the connecting plate 1 is fixedly installed with three buckle holes in turn, and the other ends of the three adjustment ropes are respectively movable through the three buckle holes and extend to their own bonding ends. According to this description, the inner rod of the electric push rod is extended and retracted to push the connecting plate 1 for adjustment, so as to facilitate the clamping of larger precision parts.

[0010] The utility model further describes that the bottom of the extension end of each adjusting rope is sewn with a Velcro hook surface, the top of the bonding end of each adjusting rope is sewn with a Velcro fur surface, and each Velcro hook surface is bonded to each adjacent Velcro fur surface. According to this description, the Velcros are bonded and fixed to each other to prevent the tension spring from shaking during processing.

[0011] The utility model further describes that the limit mechanism includes a second connecting plate, six limit plates are fixedly installed on the front of the second connecting plate in sequence, a torsion spring is fixedly connected to each of the two adjacent side walls of the limit plates, and a clamp arm is fixedly connected between each of the two adjacent torsion springs. According to this description, the clamp arm clamps the lower surface of the precision component through the torsion force of the torsion spring.

[0012] The utility model further describes that the adjustment mechanism includes a sliding hole, which is opened on the front of the column, and the bottom of the inner wall of the sliding hole is rotatably connected to one end of a screw rod through a bearing, and the top of the screw rod movably penetrates to the outside of the top of the column, and a hand wheel is fixedly sleeved, and a slider is threadedly sleeved on the outer wall of the screw rod, and the slider is slidably connected to the inner wall of the sliding hole at the same time, and a rod groove is respectively opened on both sides of the front of the column, and the front of the slider is fixedly connected to the back of the second connecting plate. According to this description, the rod groove is used to fix and install the electric push rod.

[0013] The utility model further describes that the inner walls of the two rod grooves are respectively fixedly connected to the outer walls of the outer rods of the two electric push rods, the mounting plate is fixedly mounted at the four corners of the bottom of the column, and the four corners of the top of the mounting plate are provided with mounting holes. According to this description, the mounting holes on the mounting plate can conveniently mount the entire gripping device on the manipulator.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0015] (1) By opening each clamp arm and placing the precision component against the bottom of one connecting plate, the hook arm is driven to approach the precision component by the tension of the tension spring, thereby increasing the tension on one side of the precision component. The clamp arm clamps the precision component by the torsion of the torsion spring. The hand wheel is rotated to make the screw drive the slider to rise, and then drive the limit mechanism to rise, so that the precision component is completely clamped. The equipment can grab three identical precision components at the same time, which is convenient for simultaneous washing, grinding and other related processing operations, thereby improving work efficiency;

[0016] (2) The entire grasping device can be conveniently installed on the manipulator through the mounting holes on the mounting plate to perform relevant grasping operations. Each hook arm and the clamp arm on the same vertical line as itself form a grasping unit. The three groups of grasping units can be used together to grasp large materials and special-shaped materials, thereby increasing the grasping types and grasping range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the grabbing mechanism of the utility model;

[0020] Figure 3 It is a schematic diagram of the adjustment mechanism of the utility model;

[0021] In the figure: 1. column; 2. grab assembly; 21. grab mechanism; 211. electric push rod; 212. connecting plate 1; 213. slide groove; 214. hook arm; 215. tension spring; 216. adjustment rope; 217. buckle hole; 22. limit mechanism; 221. connecting plate 2; 222. limit plate; 223. clamping arm; 23. adjustment mechanism; 231. slide hole; 232. screw; 233. slider; 234. hand wheel; 235. rod groove; 3. mounting plate. DETAILED DESCRIPTION

[0022] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3The utility model provides a technical solution: a grabbing device for machining mechanical parts that is easy to use, comprising a column 1, a mounting plate 3 arranged at the bottom of the column 1, and a grabbing assembly 2 arranged on the column 1, the grabbing assembly 2 comprising an adjusting mechanism 23, a grabbing mechanism 21 and a limiting mechanism 22 arranged on the adjusting mechanism 23, the grabbing mechanism 21 comprising two electric push rods 211, and a connecting plate 1 212 is fixedly installed at the front end of the inner rod of the two electric push rods 211, and the front side of the connecting plate 1 212 is sequentially provided with sliding grooves 213, and the inner wall of each sliding groove 213 is respectively slidably connected to a hook arm 214, and each hook arm 214 is connected to the inner wall of the sliding groove 213 in which it is located. The walls are respectively fixedly connected with a tension spring 215, and an adjusting rope 216 is respectively bonded to the front side of the top of each hook arm 214. Three buckle holes 217 are fixedly installed on the top of the connecting plate 1 212 in sequence. The other ends of the three adjusting ropes 216 are respectively movable through the three buckle holes 217 and extend to their own bonding ends. The inner rod of the electric push rod 211 is retracted to push the connecting plate 1 212 for adjustment, so as to facilitate the clamping of larger precision parts. The bottom of the extended end of each adjusting rope 216 is sewn with a Velcro hook surface, and the top of the bonding end of each adjusting rope 216 is sewn with a Velcro fur surface. Each Velcro hook surface is bonded to each adjacent Velcro fur surface. The Velcro strips are bonded and fixed to each other to prevent the tension spring 215 from shaking during processing. The limiting mechanism 22 includes a second connecting plate 221. Six limiting plates 222 are fixedly installed on the front of the second connecting plate 221 in sequence. The side walls of every two adjacent limiting plates 222 are respectively fixedly connected with a torsion spring. A clamping arm 223 is respectively fixedly connected between every two adjacent torsion springs. The clamping arm 223 clamps the lower surface of the precision component through the torsion force of the torsion spring. The adjusting mechanism 23 includes a sliding hole 231. The sliding hole 231 is opened on the front of the column 1. The bottom of the inner wall of the sliding hole 231 is rotatably connected to one end of a screw rod 232 through a bearing. The top end of the screw rod 232 movably penetrates the column 1. The top outer side is fixedly provided with a handwheel 234, the outer wall of the screw 232 is threadedly provided with a slider 233, and the slider 233 is slidably connected to the inner wall of the slide hole 231 at the same time, a rod groove 235 is respectively opened on both sides of the front of the column 1, the front of the slider 233 is fixedly connected to the back of the connecting plate 221, the rod groove 235 is used to fix the electric push rod 211, the inner walls of the two rod grooves 235 are respectively fixedly connected to the outer walls of the outer rods of the two electric push rods 211, the mounting plate 3 is fixedly installed at the four corners of the bottom of the column 1, and the four corners of the top of the mounting plate 3 are provided with mounting holes, and the mounting holes on the mounting plate 3 can conveniently install the entire grasping device on the manipulator.

[0024] The working principle of this easy-to-use grasping device for mechanical parts processing is that when in use, the entire grasping device can be conveniently installed on the robot through the mounting holes on the mounting plate 3, so as to perform related grasping operations. Each hook arm 214 and the clamping arm 223 on the same vertical line as itself form a group of grasping units. The three groups of grasping units can be used together to grasp large materials and special-shaped materials. One group of grasping units can grasp precision parts. According to the grasping requirements, each clamping arm 223 is opened separately, and the precision parts are pressed against the bottom of the connecting plate 212. The hook arm 214 is driven to approach the precision parts through the tension of the tension spring 215, thereby improving the grasping effect. The tension on one side of the precision component is high, and the clamping arm 223 clamps the lower surface of the precision component through the torsion force of the torsion spring, pulling the adjustment rope 216 to prompt each hook arm 214 to be completely tightened in each slide groove 213 to prevent the tension spring 215 from shaking during processing, and then fix them to each other through Velcro, and finally rotate the handwheel 234. According to the volume of the precision component, the screw rod 232 drives the slider 233 to rise, and then drives the limit mechanism 22 to rise, so that the precision component is completely clamped between a group of grabbing units. The three groups of grabbing units can grab three identical precision components at the same time, which is convenient for related processing operations such as flushing and polishing at the same time, thereby improving work efficiency.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A gripping device for machining mechanical parts that is easy to use, comprising a column (1); a mounting plate (3) arranged at the bottom of the column (1); and a grabbing assembly (2) arranged on the column (1), characterized in that: The grabbing assembly (2) comprises an adjusting mechanism (23), and the adjusting mechanism (23) is provided with a grabbing mechanism (21) and a limiting mechanism (22); The grabbing mechanism (21) comprises two electric push rods (211), and a connecting plate (212) is fixedly mounted at the front end of the inner rods of the two electric push rods (211), and sliding grooves (213) are sequentially provided on the front surface of the connecting plate (212), and the inner wall of each sliding groove (213) is slidably connected to a hook arm (214), and each hook arm (214) is fixedly connected to the inner wall of the sliding groove (213) where it is located by a tension spring (215), and an adjustment rope (216) is bonded to the top front side of each hook arm (214).

2. A convenient grasping device for machining mechanical parts according to claim 1, characterized in that: Three button holes (217) are fixedly mounted on the top of the first connecting plate (212) in sequence, and the other ends of the three adjusting ropes (216) are respectively movably inserted through the three button holes (217) and respectively extend toward their own bonding ends.

3. A convenient grasping device for machining mechanical parts according to claim 2, characterized in that: The bottom of the extended end of each adjusting rope (216) is sewn with a Velcro hook surface, the top of the bonding end of each adjusting rope (216) is sewn with a Velcro fleece surface, and each Velcro hook surface is bonded to each adjacent Velcro fleece surface.

4. A convenient grasping device for machining mechanical parts according to claim 3, characterized in that: The limiting mechanism (22) comprises a second connecting plate (221), six limiting plates (222) being fixedly mounted in sequence on the front face of the second connecting plate (221), a torsion spring being fixedly connected to the side walls of every two adjacent limiting plates (222), and a clamping arm (223) being fixedly connected between every two adjacent torsion springs.

5. A convenient grasping device for machining mechanical parts according to claim 4, characterized in that: The adjusting mechanism (23) comprises a sliding hole (231), wherein the sliding hole (231) is provided on the front side of the column (1), and the bottom of the inner wall of the sliding hole (231) is rotatably connected to one end of a screw rod (232) via a bearing, and the top end of the screw rod (232) movably penetrates to the outer side of the top of the column (1) and is fixedly sleeved with a hand wheel (234), and the outer wall of the screw rod (232) is threadedly sleeved with a slider (233), and the slider (233) is slidably connected to the inner wall of the sliding hole (231), and a rod groove (235) is respectively provided on both sides of the front side of the column (1), and the front side of the slider (233) is fixedly connected to the back side of the second connecting plate (221).

6. A convenient grasping device for machining mechanical parts according to claim 5, characterized in that: The inner walls of the two rod grooves (235) are respectively fixedly connected to the outer walls of the outer rods of the two electric push rods (211); the mounting plate (3) is fixedly mounted at the four bottom corners of the column (1); and the four top corners of the mounting plate (3) are all provided with mounting holes.

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