CN102825518A - Side polisher for rectangular workpiece - Google Patents

Abstract

A side grinding machine for a rectangular workpiece, comprising a conveying device and a grinding device, the conveying device consists of a conveying line one (I), a conveying line two (II) comprising a frame (1), a conveying belt (2), and a lift steering platform ( 12) composition, conveying line one (I) is connected with conveying line two (II) through lifting steering table (12); grinding device comprises fixed frame (4), grinding head (5), main arm (6), auxiliary bar ( 7), the rocker (10), the flange (8), the compression head (9), the positioning block (11), the main arm (6) and the fixed frame (4) are connected by the rotation pair one (E), and then A ball pair (F) is used to connect one end of the auxiliary rod (7), and the screw part at the other end of the auxiliary rod (7) forms a screw thread transmission with the nut (G) fixed at one end of the rocker (10), and the rocker The other end of (10) is connected with fixed frame (4) with rotating pair two (D), and grinding head (5) is connected on the end of main arm (6) by flange (8); Rectangular workpiece (3) is placed on After positioning on the positioning block (11) of the conveyor belt (2) on both sides of the symmetry, use the compression head (9) to compress again. The grinding machine has simple structure, easy control, good adaptability, high degree of automation and good grinding quality.

Description

Side grinding machine for rectangular workpiece

technical field

The invention mainly relates to the grinding of the sides or chamfers of rectangular workpieces, and in particular provides an efficient assembly line grinding machine for the polishing and grinding of the sides or chamfers of rectangular workpieces such as notebook computer casings.

Background technique

Rectangular workpieces, such as: laptop casings, metal sheet metal or structural parts, castings, etc., which are molded by injection, will inevitably have burrs on the corners and corners during the manufacturing process. have a certain impact. Therefore, the grinding process is extremely necessary, and the quality of the grinding directly affects whether the subsequent process can be carried out smoothly and the final quality of the product.

According to different operation methods, grinding can be divided into manual grinding and machine grinding. At present, for surfaces with irregular curved surfaces, manual grinding is generally used, which is less efficient, poorer in quality, and more labor-intensive than machine grinding; for relatively flat and large-area surfaces, general-purpose robots are generally used for grinding. Therefore, in In the mass production process, in order to save production costs and improve the quality of grinding, automatic robots are often used for grinding. However, for the grinding of the side or chamfer of the rectangular workpiece, if a general-purpose robot is used for grinding, the cost is high and the grinding efficiency is low. Therefore, an efficient automatic grinding special device is urgently needed.

Contents of the invention

In order to solve the above problems, the present invention provides an automatic assembly line operation device for grinding the sides and chamfers of rectangular workpieces, which improves work efficiency and product quality, and greatly reduces labor production costs.

The technical scheme that the present invention adopts is: a kind of rectangular workpiece side grinding machine, comprises conveying device and grinding device, and conveying device is made of conveying line one (1) that all comprises frame (1), conveyor belt (2), conveying Line two (II) and the lifting steering platform (12), the conveying line one (I) is connected with the conveying line two (II) through the lifting and turning platform (12), and the grinding device (III) is arranged on the conveying line one (I), Above the conveyor line II (II); the first type of grinding device includes a fixed frame (4), a grinding head (5), a main arm (6), an auxiliary rod (7), a rocker (10), and a flange (8) , compression head (9), positioning block (11), after the main arm (6) is connected with the fixed frame (4) with the rotation pair one (E), connect one end of the auxiliary rod (7) with the ball pair (F) , the screw part at the other end of the auxiliary rod (7) and the nut (G) fixed at one end of the rocker (10) form a screw thread transmission, and the other end of the rocker (10) and the fixed frame (4) can rotate Secondary (D) connection, the grinding head (5) is connected to the end of the main arm (6) through the flange (8); the rectangular workpiece (3) is placed on the positioning block (11) of the conveyor belt (2) on both sides of the symmetry ) and then press it with the compression head (9).

The second type of grinding device includes a fixed frame (4), a grinding head (5), a main arm (6), an auxiliary rod (7), a slider (13), a flange (8), a pressing head (9), a positioning Block (11), after main arm (6) and fixed mount (4) are connected with swivel pair one (E), connect an end of auxiliary rod (7) with swivel pair two (F) again, the other end of auxiliary rod (7) One end is connected with the sliding block (13) by the rotating pair three (G), and the sliding block (13) and the fixed frame (4) constitute the moving pair (P); the grinding head (5) is connected to the main arm ( 6) at the end; after the rectangular workpiece (3) is positioned on the positioning block (11) of the conveyor belt (2) placed on both sides of the symmetry, it is compressed with the compression head (9).

The third grinding device includes a fixed frame (4), a grinding head (5), a main arm (6), an auxiliary rod (7), a rocker (14), a flange (8), a pressing head (9), a positioning Block (11), after main arm (6) and fixed mount (4) are connected with swivel pair one (E), connect an end of auxiliary rod (7) with swivel pair two (F) again, the other end of auxiliary rod (7) One end is connected to one end of the rocker (14) with the third rotating pair (G), and the other end of the rocker (14) is connected to the fixed frame (4) with the fourth rotating pair (M); the grinding head (5) passes through the flange (8) be connected at main arm (6) end; Rectangular workpiece (3) compresses with compression head (9) after positioning on the positioning block (11) of the conveyer belt (2) that is placed on symmetrical both sides.

Further, in the above-mentioned three kinds of side grinding machines for rectangular workpieces, the grinding devices on the left and right sides of conveyor line one (I) and conveyor line two (II) have the same structure, and the distance between the center points of the two grinding heads (5) (ab ) can vary depending on the aspect ratio of the rectangular workpiece.

Beneficial effects of the present invention: Compared with the prior art, the present invention has the following advantages and advantages: (1) after being polished by the device, the workpiece is polished evenly, and the deburring effect is obvious; (2) through the assembly line of the device Production enhances the continuity of grinding operations, greatly improving processing efficiency and quality. (3) The polishing line can be directly connected to the spray booth for post-process painting operations, truly realizing automatic production. (4) Compared with manual grinding, it can effectively save the amount of workers used, shorten the working hours and reduce the cost.

Description of drawings

Accompanying drawing 1 is the production line schematic diagram of the present invention.

Accompanying drawing 2 is the schematic diagram of the principle of the first grinding device of the present invention.

Accompanying drawing 3 is the principle schematic diagram of the second grinding device of the present invention.

Accompanying drawing 4 is the principle schematic diagram of the third grinding device of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Accompanying drawing 1 is a kind of embodiment schematic diagram of production line of the present invention. Its technical solution is: a side grinding machine for a rectangular workpiece, including a conveying device and a grinding device. The conveying device is composed of a conveying line I, a conveying line II, and a lifting and turning table 12, each including a frame 1 and a conveying belt 2. Conveying line I is connected to conveying line II through lifting steering platform 12, and grinding device III is arranged above conveying line I and conveying line II.

Accompanying drawing 2 is the schematic diagram of the principle of the first grinding device of the present invention, which includes a fixed frame 4, a grinding head 5, a main arm 6, an auxiliary rod 7, a rocker 10, a flange 8, a pressing head 9, and a positioning block 11, After the main arm 6 and the fixed frame 4 are connected by the rotating pair E, one end of the auxiliary rod 7 is connected by the ball pair F, and the screw part of the other end of the auxiliary rod 7 forms a screw rod with the nut G fixed on one end of the rocker 10. screw drive, and the other end of the rocking rod 10 is connected with the fixed frame 4 with the rotating pair 2D, and the grinding head 5 is connected to the end of the main arm 6 through the flange 8; After positioning on the locating block 11, use the compression head 9 to compress again.

Accompanying drawing 3 is the schematic diagram of the principle of the second grinding device of the present invention, which includes a fixed mount 4, a grinding head 5, a main arm 6, an auxiliary rod 7, a slide block 13, a flange 8, a pressing head 9, and a positioning block 11, After the main arm 6 and the fixed frame 4 are connected with the rotating pair E, one end of the auxiliary rod 7 is connected with the rotating pair F, and the other end of the auxiliary rod 7 is connected with the sliding block 13 with the rotating pair G, and the sliding block 13 is connected with the fixed The frame 4 constitutes the moving pair P; the grinding head 5 is connected to the end of the main arm 6 through the flange 8; tight.

Accompanying drawing 4 is the schematic diagram of the principle of the third grinding device of the present invention, which includes a fixed mount 4, a grinding head 5, a main arm 6, an auxiliary rod 7, a rocking bar 14, a flange 8, a pressing head 9, and a positioning block 11, After the main arm 6 and the fixed frame 4 are connected with the first rotating pair E, one end of the auxiliary rod 7 is connected with the second rotating pair F, and the other end of the auxiliary rod 7 is connected with one end of the rocking bar 14 with the third rotating pair G, and the rocking bar 14 The other end of the fixed frame 4 is connected with the rotating pair 4M; the grinding head 5 is connected to the end of the main arm 6 through the flange 8; Compress with compression head 9 again.

Further, in the above-mentioned three kinds of side grinding machines for rectangular workpieces, the grinding devices on the left and right sides of conveyor line I and conveyor line II have the same structure, and the distance ab between the center points of the two grinding heads 5 can be seen as the length and width of the rectangular workpiece Different than different.

Working principle: The rectangular workpiece 3 that needs to be ground or chamfered is transported to position A by the conveyor belt 2 on the conveyor line I, and the two longitudinal sides are polished. After completion, it is transported to position B by the conveyor belt 2. On the position, the rectangular workpiece 3 is dropped onto the conveyor belt 2 of the conveyor line II II through the lifting and turning table 12, and moves to the C position for grinding on the two sides of the width. In this way, the grinding of the four sides is completed. If it is necessary to improve the grinding accuracy requirements of workpiece edge measurement or chamfering, the number of grinding heads, the number of times of grinding or the conveying speed of the conveyor belt 2 can be appropriately increased.

Further, in the first, second, and third grinding devices, for chamfering or side edges at different angles, the screw thread of the auxiliary rod 7 can be rotated, the position of the slider 13 can be changed, and the position of the swing rocker 14 can be changed. Position to adjust the attitude of the grinding head 5, in order to achieve the grinding requirements of different workpieces.

The side grinding machine for a rectangular workpiece has a simple structure, is easy to manufacture, and is convenient to control, can ensure uniform grinding amount, high grinding efficiency, and has good adaptability for grinding and chamfering the side of a rectangular workpiece.

Claims (4)

1. rectangle workpiece side sander; Comprise transport and sanding apparatus; Transport turns to platform (12) to form by the pipeline one (I) that all comprises frame (1), conveyer belt (2), pipeline two (II) and up-down; Pipeline one (I) turns to platform (12) to be connected with pipeline two (II) through up-down, and sanding apparatus (III) is arranged in the top of pipeline one (I), pipeline two (II); It is characterized in that sanding apparatus comprises fixed mount (4), grinding head (5), principal arm (6), auxilliary bar (7), rocking bar (10), flange (8), hold-down head (9), locating piece (11); Principal arm (6) is with after fixed mount (4) is connected with revolute pair one (E); An end that connects auxilliary bar (7) again with ball secondary (F); The screw mandrel part of auxilliary bar (7) other end constitutes the wire rod thread transmission with the nut that is fixed on rocking bar (10) one ends (G) again; And the other end of rocking bar (10) is connected with revolute pair two (D) with fixed mount (4), and grinding head (5) is connected the end of principal arm (6) through flange (8); Rectangle workpiece (3) uses hold-down head (9) to compress after the locating piece that is positioned over the conveyer belt of symmetrical both sides (2) (11) is gone up the location again.

2. by the described rectangle workpiece of claim 1 side sander; It is characterized in that sanding apparatus comprises fixed mount (4), grinding head (5), principal arm (6), auxilliary bar (7), slide block (13), flange (8), hold-down head (9), locating piece (11); Principal arm (6) is with after fixed mount (4) is connected with revolute pair one (E); Connect an end of auxilliary bar (7) again with revolute pair two (F), the other end of auxilliary bar (7) connects slide block (13) with revolute pair three (G), and slide block (13) constitutes moving sets (P) with fixed mount (4); Grinding head (5) is connected the end of principal arm (6) through flange (8); Rectangle workpiece (3) uses hold-down head (9) to compress after the locating piece that is positioned over the conveyer belt of symmetrical both sides (2) (11) is gone up the location again.

3. by the described rectangle workpiece of claim 1 side sander; It is characterized in that sanding apparatus comprises fixed mount (4), grinding head (5), principal arm (6), auxilliary bar (7), rocking bar (14), flange (8), hold-down head (9), locating piece (11); Principal arm (6) is with after fixed mount (4) is connected with revolute pair one (E); An end that connects auxilliary bar (7) again with revolute pair two (F); The other end of auxilliary bar (7) is with an end of revolute pair three (G) connection rocking bar (14), and the other end of rocking bar (14) uses revolute pair four (M) to be connected with fixed mount (4) again; Grinding head (5) is connected principal arm (6) end through flange (8); Rectangle workpiece (3) uses hold-down head (9) to compress after the locating piece that is positioned over the conveyer belt of symmetrical both sides (2) (11) is gone up the location again.

4. by claim 1 or 2 or 3 described rectangle workpiece side sanders; The sanding apparatus structure that it is characterized in that pipeline one (I), pipeline two (II) left and right sides is identical, and the length-width ratio of the visual rectangle workpiece of distance (ab) between two grinding heads (5) central point is different and different.

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