CN216802990U - Grinding mechanism for powder die-casting body workpiece - Google Patents

Abstract

The utility model relates to the technical field of part grinding, in particular to a grinding mechanism for a powder die-casting body workpiece, which can grind a plurality of side surfaces. The grinding mechanism comprises a workbench, a double-transmission-belt mechanism, a jig module, a side grinder and clamping mechanism, a stop mechanism and controller and a jacking positioning rotating mechanism, wherein the jacking positioning rotating mechanism comprises a jacking cylinder, a rotating cylinder, a positioning plate, a rotating positioning column, a positioning clamping cylinder and a positioning clamping frame; the jig module comprises a horizontal jig and a vertical jig, and a rotary positioning hole matched with the rotary positioning column is formed in the lower end face of the horizontal jig; the clamping mechanism comprises a side grinding support, a pressing mechanism and a pneumatic clamping jaw mechanism; the controller is connected with and controls the double-transmission-belt mechanism, the side grinding machine, the clamping mechanism, the stopping mechanism and the jacking positioning rotating mechanism. The grinding mechanism can realize that one grinding station grinds a plurality of side surfaces in a production line mode and with high precision.

Description

Grinding mechanism for powder die-casting body workpiece

Technical Field

The utility model relates to the technical field of part grinding, in particular to a grinding mechanism for a powder die-casting body workpiece, which can grind a plurality of side surfaces.

Background

Currently, the conventional powder die casting body is ground by grinding a single side surface through a surface grinding machine, then the grinding machine is taken down and then the rest side surfaces are ground, and the whole workpiece needs 10 minutes after being ground.

For example, in fig. 6 of the present invention, when the powder die-cast body with a central through hole is side-ground, only a single side of the powder die-cast body can be manually ground each time by the surface grinder, and after grinding, the powder die-cast body needs to be taken down and the rest of the powder die-cast body needs to be manually ground. Low precision of grinding finished products, low efficiency, high labor cost and serious environmental pollution.

Therefore, in view of the above-mentioned problems, it is desirable to provide an integrated and streamlined polishing mechanism capable of polishing a plurality of side surfaces at a single polishing station.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an integrated, assembly line type and high-precision grinding mechanism for powder die-cast body workpieces, wherein one grinding station can grind a plurality of side surfaces.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a powder die-casting body grinding mechanism for work piece, includes the workstation the fixed two transmission band mechanisms of level on the workstation, the tool module of carrying on two transmission band mechanisms and respectively fixed side mill and clamping mechanism on the workstation of two transmission band mechanism both sides fixed stop mechanism and the controller that correspond the setting with the side mill on two transmission band mechanisms still include jacking location rotary mechanism, jacking location rotary mechanism includes through the installing support fix the jacking cylinder between two transmission band mechanisms jacking cylinder of jacking cylinder guide arm up end horizontal fixation revolving cylinder horizontal fixation's locating plate on revolving cylinder's the rotary disk vertical fixed rotating positioning post on the locating plate, the relative location die clamping cylinder that sets up on the workstation of level perpendicular and two transmission band mechanism directions and vertical fixed L shape location that constitutes by horizontal edition and vertical board on the guide arm of location die-clamping cylinder A clamping frame; the jig module comprises a horizontal jig conveyed on the double-conveyor belt mechanism and a vertical jig which is vertically fixed on the horizontal jig and provided with a boss, and a rotary positioning hole matched with the rotary positioning column is formed in the lower end face of the horizontal jig; the clamping mechanism comprises a side grinding support arranged on the workbench opposite to the side grinding machine, a pressing mechanism arranged on the inner side of the side grinding support, and a pneumatic clamping jaw mechanism vertically arranged on the end face of the inner side of the pressing mechanism; the controller is connected with and controls the double-transmission-belt mechanism, the side grinding machine, the clamping mechanism, the stopping mechanism and the jacking positioning rotating mechanism.

Preferably, the pressing mechanism comprises a pressing cylinder vertically fixed on the upper portion of the inner side end face of the side grinding support, a pressing sliding plate vertically fixed on a guide rod of the pressing cylinder, and a pressing plate vertically fixed on the upper end face of the inner side of the pressing sliding plate, and the pneumatic clamping jaw mechanism comprises a clamping jaw cylinder transversely and oppositely arranged on the inner side end face of the pressing sliding plate below the pressing plate, a clamping jaw sliding block fixed on the guide rod of the clamping jaw cylinder, and a clamping jaw vertically arranged on the clamping jaw sliding block.

Preferably, a longitudinal positioning disc matched with the central through hole of the workpiece is vertically arranged on the lower end face of the lower pressing plate.

Preferably, the clamping jaw air cylinder is an adjustable stroke air cylinder.

Preferably, pressure sensors are arranged on the end faces of the inner sides, opposite to the clamping jaws, of the clamping jaws, the pressure sensors are connected with a controller, and the controller controls the stroke of the clamping jaw air cylinder through pressure signals transmitted by the pressure sensors.

Preferably, four side surfaces of the horizontal jig are respectively provided with a clamping positioning hole, and the end surface of the inner side of the longitudinal plate vertical to the positioning and clamping frame is provided with a clamping positioning column matched with the clamping positioning hole.

Preferably, a telescopic dustproof sleeve is sleeved on the clamping positioning column.

Preferably, this grinding mechanism still includes dust extraction, dust extraction includes one, two, tertiary suction hood, one-level suction hood is fixed and is used for absorbing the showy dust when the mill is polished at the side mill department, the below at jacking location rotary mechanism is fixed to the second grade suction hood and is used for absorbing the dust that drops to the work piece below, tertiary suction hood is fixed and is used for absorbing the showy dust in side mill top space above the side mill, one, two, tertiary suction hood are external dust processing apparatus respectively.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can realize integrated, production line and automatic grinding of a plurality of side surfaces of a die casting body workpiece by arranging the double-transmission-belt mechanism, the jig module, the side grinding machine, the clamping mechanism, the stopping mechanism, the jacking positioning rotating mechanism and the controller. In the whole grinding process, the high-precision grinding of 2 side faces can be realized at least through the jacking positioning rotating mechanism at the station of a side grinding machine, and the grinding efficiency is high. And through each stop mechanism, tool module and jacking location rotary mechanism, realize the high accuracy location of die-casting body work piece, realize high accuracy and grind.

2. The related parts of the double-transmission-belt mechanism, the jig module, the side grinding machine, the clamping mechanism, the stopping mechanism and the jacking positioning rotating mechanism are all standardized structures, so that the design and the installation are convenient, and meanwhile, the related design and the processing precision can also be ensured.

3. Through setting up pressure sensor, adjustable stroke cylinder, after two opposite side ground, when carrying out two other side grinds, can adjust the stroke of gripper cylinder, guarantee the stability and the grinding precision of centre gripping.

4. Through setting up and pressing from both sides tight locating hole and press from both sides tight reference column, rotatory reference column and rotatory locating hole, can carry out level and vertical direction to horizontal tool and fix a position to improve work piece grinding precision.

5. Through setting up dust extraction, grind the dust and concentrate through the pipeline and collect, recycle in the aspect of the dust of collection, the environmental protection requires highly.

Drawings

Fig. 1 is a schematic overall structure diagram of a first view angle of the present invention.

Fig. 2 is a schematic overall structure diagram of a second viewing angle of the present invention.

Fig. 3 is a schematic structural diagram of a part of the transmission mechanism, the jacking positioning rotation mechanism and the jig module according to the present invention.

Fig. 4 is a schematic structural view of the jacking positioning rotating mechanism and the jig module according to the present invention.

Fig. 5 is a schematic structural view of a jacking positioning rotating mechanism of the present invention.

Fig. 6 is a schematic structural diagram of a jig module according to the present invention.

FIG. 7 is a schematic structural view of a side mill of the present invention.

Fig. 8 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. the automatic grinding machine comprises a workbench, 2, a double-conveyor-belt mechanism, 3, a jig module, 31, a horizontal jig, 32, a boss, 33, a vertical jig, 34, a rotary positioning hole, 35, a clamping positioning hole, 4, a side grinding machine, 5, a clamping mechanism, 51, a side grinding support, 52, a pressing cylinder, 53, a pressing sliding plate, 54, a pressing plate, 55, a clamping jaw cylinder, 56, a clamping jaw sliding block, 57, a clamping jaw, 58, a longitudinal positioning disc, 6, a stopping mechanism, 7, a jacking positioning rotating mechanism, 71, an installation support, 72, a jacking cylinder, 73, a rotary cylinder, 74, a positioning plate, 75, a rotary positioning column, 76, a positioning clamping cylinder, 77, a positioning clamping frame, 78, a clamping positioning column, 79, a dustproof sleeve, 81, a primary dust hood, 82, a secondary dust hood, 9 and a workpiece.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 and 2, the grinding mechanism for the powder die-casting body workpiece comprises a workbench 1, a double-conveyor belt mechanism 2, a jig module 3, a side grinding machine 4, a clamping mechanism 5, a stopping mechanism 6, a jacking positioning rotating mechanism 7 and a controller (not shown in the figure).

Seted up logical groove on workstation 1, two transmission band mechanisms 2 are fixed at this logical inslot, be hollow structure in the middle of two transmission band mechanisms 2, according to the design demand, keep off and stop mechanism 6 and can set up a plurality ofly and install in the frame of two transmission band mechanisms 2, tool module 3 is transmitted on two transmission band mechanisms 2's transmission band, side mill 4 and clamping mechanism 5 are fixed respectively at 1 up end of workstation of two transmission band mechanisms 2 both sides, near side mill 4 is equipped with and keeps off and stop mechanism 6 and use with the cooperation, be used for keeping off to tool module 3 and stop and the location.

Referring to fig. 7, the side grinder 4 is a prior art, a transverse moving mechanism is horizontally fixed on the worktable 1, a longitudinal moving mechanism parallel to the worktable 1 is horizontally fixed on the transverse moving mechanism, and a grinding disc is mounted on the longitudinal moving mechanism and parallel to the side surface of the workpiece 9 to grind the side surface of the workpiece 9.

Referring to fig. 4 and 5, the jacking positioning and rotating mechanism 7 comprises a jacking cylinder 72 fixed between the double-conveyor mechanisms 2 through a mounting bracket 71, a rotating cylinder 73 horizontally bolted on the upper end surface of a guide rod of the jacking cylinder 72, a positioning plate 74 horizontally fixed on a rotating disc of the rotating cylinder 73 through bolts, a rotating positioning column 75 vertically inserted on the positioning plate 74, a positioning and clamping cylinder 76 oppositely mounted on the workbench 1 horizontally and vertically in the direction of the double-conveyor mechanisms 2, and an L-shaped positioning and clamping frame 77 formed by a transverse plate and a longitudinal plate and vertically bolted on the guide rod of the positioning and clamping cylinder 76.

Referring to fig. 5 and 6, the jig module 3 includes a horizontal jig 31 conveyed on the double-belt conveying mechanism 2, a vertical jig 33 fixed by a vertical bolt on the horizontal jig 31 and provided with a boss 32, and a rotary positioning hole 34 matched with the rotary positioning column 75 is formed in the lower end surface of the horizontal jig 31. Clamping positioning holes 35 are respectively formed in four side faces of the horizontal jig 31, and clamping positioning columns 78 matched with the clamping positioning holes 35 are welded or detachably arranged on the end faces of the inner sides of the longitudinal plates perpendicular to the positioning and clamping frames 77.

In order to prevent the rotating positioning column 75 from being contaminated by floating dust and causing the rotating positioning column 75 to not smoothly enter or exit the rotating positioning hole 34, a retractable dustproof sleeve 79 is sleeved on the rotating positioning column 75.

The jacking positioning rotating mechanism 7 and the stopping mechanism 6 are used in cooperation, the jig module 3 conveyed on the double-conveyor belt mechanism 2 is stopped by the stopping mechanism 6 for positioning, then the jacking cylinder 72 drives the positioning plate 74 to move upwards so as to enable the rotating positioning column 75 to enter the rotating positioning hole 34, and the positioning clamping cylinders 76 on the two sides drive the positioning clamping frames 77 to clamp the positioning column 78 into the clamping positioning hole 35, so that the horizontal jig 31 is positioned in the transverse direction and the longitudinal direction.

Referring to fig. 8, the clamping mechanism 5 includes a side grinding support 51 disposed on the table 1 opposite to the side grinding machine 4, a pressing mechanism disposed inside the side grinding support 51, and a pneumatic gripper mechanism disposed vertically on an end surface of an inner side of the pressing mechanism.

The pressing mechanism comprises a pressing cylinder 52 vertically inserted at the upper part of the inner side end surface of the side grinding bracket 51, a pressing sliding plate 53 fixed on a guide rod of the pressing cylinder 52 by a vertical bolt, and a pressing plate 54 vertically welded at the upper end surface of the inner side of the pressing sliding plate 53; the pneumatic clamping jaw mechanism comprises a clamping jaw air cylinder 55 which is transversely fixed on the inner side end face of the lower pressing sliding plate 53 below the lower pressing plate 54 relative to the bolt, a clamping jaw sliding block 56 which is fixed on a guide rod of the clamping jaw air cylinder 55 through the bolt, and a clamping jaw 57 which is vertically welded on the clamping jaw sliding block 56.

The clamping of the two side surfaces and the top surface of the workpiece 9 can be realized through the pressing mechanism and the pneumatic clamping jaw mechanism, and the tool module 3 and the workpiece 9 are positioned and clamped together with the jacking positioning rotating mechanism 7, so that the precision of the grinding surface of the workpiece 9 in grinding is improved.

In order to further position the workpiece 9 in the vertical direction, a longitudinal positioning plate 58 matched with the central through hole of the workpiece is vertically bolted or welded on the lower end face of the lower pressure plate 54.

Referring to fig. 1 and 7, since the side mill 4 generates a large amount of dust during grinding, the grinding dust needs to be collected intensively through a pipeline in order to avoid environmental pollution and cleaning of a processing site. This grinding mechanism still includes dust extraction, dust extraction includes one, two, tertiary suction hood, one-level suction hood 81 is fixed and is used for absorbing the showy dust when the mill is polished in 4 mill departments of side mill, second grade suction hood 82 is fixed and is used for absorbing the dust that drops the work piece below in the below of jacking location rotary mechanism 7, tertiary suction hood is fixed and is used for absorbing the showy dust (not drawn in the picture) in the space above the mill 4 of side mill 4 above the mill 4, one-level suction hood 81, second grade suction hood 82, tertiary suction hood passes through the pipeline and connects external dust treatment device respectively, dust treatment device can adopt more ripe pulse bag dust collector on the market.

The controller is connected with and controls the double-transmission-belt mechanism 2, the side grinding machine 4, the clamping mechanism 5, the stopping mechanism 6 and the dust suction device to start and stop, and the controller is connected with and controls the jacking positioning rotating mechanism 7 to jack, clamp and rotate the jig module 3.

The working procedure of example 1 is as follows:

1. the controller controls the double-transmission-belt mechanism 2 to drive the jig module 3 to be transmitted to the grinding station, and the horizontal jig 31 is stopped and positioned by the stopping mechanism 6.

2. The jacking cylinder 72 jacks the horizontal jig 31 so that the rotary positioning column 75 enters the rotary positioning hole 34 to realize the positioning of the horizontal jig 31 in the vertical direction; the positioning and clamping cylinder 76 drives the positioning and clamping frame 77 to move, so that the clamping positioning column 78 enters the clamping positioning hole 35, and after the horizontal jig 31 is positioned in the horizontal direction, the two sides of the horizontal jig 31 are clamped.

3. The lower pressing cylinder 52 drives the lower pressing plate 54 to move downwards, so that the longitudinal positioning disc 58 enters the central through hole of the workpiece 9, and the workpiece 9 is positioned in the vertical direction; the clamping jaw air cylinder 55 drives the clamping jaw 57 to move towards the workpiece 9, so that the two sides of the workpiece 9 are clamped.

4. And starting the side grinding machine 4 and the dust suction device, grinding one side surface of the fixed workpiece 9 by the side grinding machine 4, and performing centralized treatment on the dust generated by grinding by the dust suction device.

5. After the side grinding is finished, the clamping jaw 57 and the lower pressing plate 54 leave the workpiece 9 to proper positions, the positioning and clamping frame 77 leaves the horizontal jig 31 to proper positions, the controller controls the rotary cylinder 73 to rotate 180 degrees, then the positioning and clamping frame 77 clamps the horizontal jig 31 again, the clamping jaw 57 and the lower pressing plate 54 clamp the workpiece 9 again, and the side grinder 4 and the dust suction device are started to grind the other side of the workpiece 9.

6. After the two side surfaces are ground, the clamping jaw 57 and the lower pressing plate 54 leave the workpiece 9 to a proper position, the positioning clamping frame 77 leaves the horizontal jig 31 to a proper position, the jacking cylinder 72 drives the horizontal jig 31 to move downwards, the horizontal jig 31 is placed on the conveying belt of the double-conveying-belt mechanism 2, the cylinder guide rod of the stopping mechanism 6 retracts, and the jig module 3 drives the workpiece to be conveyed to a next grinding station.

By the integrated and assembly line type grinding mechanism, two side surfaces of the workpiece 9 can be ground at one time, assembly line operation is realized, and grinding efficiency is improved. By rotating the workpiece 9 by 180 degrees by the rotary cylinder 73, the positioning reference is always two side surfaces of the workpiece 9 which are not ground when the workpiece 9 is ground, so that the grinding accuracy is improved.

Example 2:

on the premise of the grinding mechanism of embodiment 1, in order to further improve the grinding efficiency, 4 side faces are ground in a single grinding station, and the positioning reference during grinding is two side faces which are not ground or two side faces which are ground, so that the grinding precision is improved. However, when the clamping jaws 57 clamp both polished side surfaces, the clamping jaws 57 cannot clamp the workpiece 9 effectively due to the presence of the grinding amount. The jaw cylinder 55 is now required to be adjusted so that the jaw cylinder 55 is provided as an adjustable stroke cylinder to allow stroke adjustment of the jaw cylinder 55 to enable the jaws 57 to effectively grip the ground two sides of the workpiece 9. In order to further improve the clamping and positioning accuracy of the clamping jaws 57, pressure sensors may be mounted on the opposite inner end surfaces of the two clamping jaws 57, and the pressure sensors are connected with a controller, and the controller controls the stroke of the clamping jaw air cylinder 55 through pressure signals transmitted by the pressure sensors.

The working procedure of example 2 is as follows:

the operation is similar to that of example 1, except that 4 sides of the workpiece 9 are ground when grinding the sides of the workpiece 9. Firstly, the workpiece 9 is rotated by 180 degrees through the rotating cylinder 73 to grind two opposite side surfaces, then the workpiece 9 is rotated by 90 degrees, the stroke of the clamping jaw cylinder 55 is adjusted to enable the clamping jaw 57 to effectively clamp the two processed side surfaces of the workpiece 9, and then the workpiece is rotated by 180 degrees to grind two unground side surfaces.

The grinding process of this embodiment realizes the positioning reference of the workpiece 9 as both the non-ground side grinding and the ground side grinding to improve the grinding accuracy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a powder die-casting body grinding mechanism for work piece, includes the workstation the fixed two transmission band mechanisms of level on the workstation, the tool module of carrying on two transmission band mechanisms and respectively on the workstation of two transmission band mechanism both sides fixed side mill and clamping mechanism the fixed fender that corresponds the setting with the side mill and stops mechanism and controller, its characterized in that on two transmission band mechanisms: the lifting positioning rotating mechanism is also included;

the jacking positioning rotating mechanism comprises a jacking cylinder fixed between the double-conveyor belt mechanisms through a mounting bracket, a rotating cylinder horizontally fixed on the upper end face of a guide rod of the jacking cylinder, a positioning plate horizontally fixed on a rotating disk of the rotating cylinder, a rotating positioning column vertically fixed on the positioning plate, a positioning clamping cylinder arranged on a workbench horizontally vertical to the direction of the double-conveyor belt mechanisms in a relative mode, and an L-shaped positioning clamping frame consisting of a transverse plate and a longitudinal plate vertically fixed on a guide rod of the positioning clamping cylinder;

the jig module comprises a horizontal jig conveyed on the double-conveyor belt mechanism and a vertical jig which is vertically fixed on the horizontal jig and provided with a boss, and a rotary positioning hole matched with the rotary positioning column is formed in the lower end face of the horizontal jig;

the clamping mechanism comprises a side grinding support arranged on the workbench opposite to the side grinding machine, a pressing mechanism arranged on the inner side of the side grinding support, and a pneumatic clamping jaw mechanism vertically arranged on the end face of the inner side of the pressing mechanism;

the controller is connected with and controls the double-transmission-belt mechanism, the side grinding machine, the clamping mechanism, the stopping mechanism and the jacking and positioning rotating mechanism.

2. The grinding mechanism for a powder die-cast body workpiece according to claim 1, characterized in that: the pressing mechanism comprises a pressing cylinder vertically fixed on the upper portion of the end face of the inner side of the side grinding support, a pressing sliding plate vertically fixed on a guide rod of the pressing cylinder, and a pressing plate vertically fixed on the end face of the upper portion of the inner side of the pressing sliding plate, and the pneumatic clamping jaw mechanism comprises a clamping jaw cylinder transversely and oppositely arranged on the end face of the inner side of the pressing sliding plate below the pressing plate, a clamping jaw sliding block fixed on the guide rod of the clamping jaw cylinder, and a clamping jaw vertically arranged on the clamping jaw sliding block.

3. The grinding mechanism for a powder die-cast body workpiece according to claim 2, characterized in that: and a longitudinal positioning disc matched with the central through hole of the workpiece is vertically arranged on the lower end surface of the lower pressing plate.

4. The grinding mechanism for a powder die-cast body workpiece according to claim 2, characterized in that: the clamping jaw cylinder is an adjustable stroke cylinder.

5. The grinding mechanism for a powder die-cast body workpiece according to claim 4, characterized in that: and pressure sensors are arranged on the end faces of the inner sides, opposite to the clamping jaws, and are connected with a controller, and the controller controls the stroke of the clamping jaw air cylinder through pressure signals transmitted by the pressure sensors.

6. The grinding mechanism for a powder die-cast body workpiece according to claim 1, characterized in that: clamping positioning holes are respectively formed in four side faces of the horizontal jig, and clamping positioning columns matched with the clamping positioning holes are arranged on the end faces of the inner sides of the longitudinal plates perpendicular to the positioning and clamping frames.

7. The grinding mechanism for a powder die-cast body workpiece according to claim 6, characterized in that: and a telescopic dustproof sleeve is sleeved on the clamping positioning column.

8. The grinding mechanism for a powder die-cast body work piece according to claim 1, characterized in that: the grinding mechanism further comprises a dust collection device, the dust collection device comprises a first dust collection cover, a second dust collection cover and a third dust collection cover, the first dust collection cover is fixed at the grinding disc of the side grinding machine and used for absorbing floating dust generated when the grinding disc is ground, the second dust collection cover is fixed below the jacking positioning rotating mechanism and used for absorbing dust falling to the lower side of a workpiece, the third dust collection cover is fixed above the side grinding machine and used for absorbing floating dust in the space above the side grinding machine, and the first dust collection cover, the second dust collection cover and the third dust collection cover are respectively externally connected with a dust treatment device.

Images