CN215394700U

CN215394700U - Cold pressing die for producing diamond grinding wheel

Info

Publication number: CN215394700U
Application number: CN202121439664.XU
Authority: CN
Inventors: 黄荣
Original assignee: Changzhou Wandai Superhard Materials Co Ltd
Current assignee: Changzhou Wandai Superhard Materials Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-04
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a cold pressing die for producing a diamond grinding wheel, which comprises a base, a lifting mechanism, an upper die and a lower die. The utility model has the beneficial effects that: through setting up the shock attenuation supporting leg, be convenient for when the moulding-die, make between the lower mould atress even, drive both sides gear one through biax motor, gear two, threaded rod cooperation is rotated, and then make swivel nut one can drive the lift inner tube and go up and down, be convenient for drive upper die descends, press mutually with the bed die, thereby realize moulding-die work, through setting up the balancing weight, alright power when increasing the moulding-die, through setting up demoulding mechanism, through starter motor, the motor drives two rotations of threaded rod, thereby make the swivel nut two of both sides be close to each other, and then make the inside jack-up plate that slides and set up of bed die lift up, and then make the moulded die break away from in the mould, the shape size of jack-up plate is unanimous with the bed die cavity, avoid the atress inequality to lead to the shaping emery wheel to be destroyed.

Description

Cold pressing die for producing diamond grinding wheel

Technical Field

The utility model relates to a cold pressing die, in particular to a cold pressing die for producing a diamond grinding wheel, and belongs to the technical field of diamond grinding wheel production.

Background

Along with the rapid development of the manufacturing industry, part materials on parts are required to be accurately removed in part processing, the use demand of grinding tools such as grinding wheels is increased more and more rapidly, and the diamond grinding wheel has better abrasion resistance and is often used as a special-effect tool for grinding hard and brittle materials such as hard alloy, glass, ceramics, semiconductors and the like. The diamond grinding wheel is different from a common abrasive grinding wheel in structure, generally consists of an abrasive layer and a base body, wherein the abrasive layer consists of abrasive, a bonding agent, filler, a pore-forming agent and the like and is a working part of the grinding wheel; the base body is used for connecting the abrasive layer and is firmly clamped on the main shaft of the grinding machine by a flange plate during operation. The process of manufacturing the diamond grinding wheel is to use a mould as an appearance constraint carrier and connect the grinding material layer and the matrix together through a pressing procedure.

The existing cold pressing die has some problems in use, firstly, the existing die for manufacturing the diamond grinding wheel has insufficient power when the die is pressed, so that the pressing efficiency is poor, secondly, the existing cold pressing die is inconvenient to take out after being formed, and a plurality of existing technologies easily damage the formed grinding wheel when the die is released, so that the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a cold pressing die for producing a diamond grinding wheel.

The utility model realizes the purpose through the following technical scheme: the utility model provides a diamond grinding wheel production is with mould of colding pressing, includes base, elevating system, goes up mould and bed die, the upper surface both sides fixed mounting of base has the spliced pole, two the rigid coupling has elevating system between the spliced pole, elevating system's lower extreme is provided with the fixed plate, the downside rigid coupling of fixed plate has last mould, the fixed bed die of installing at the base upside that is provided with of downside of going up the mould, the downside of bed die is provided with demoulding mechanism.

As a still further scheme of the utility model: and four corners of the lower surface of the base are fixedly provided with damping supporting legs.

As a still further scheme of the utility model: the lifting mechanism comprises a fixed cross beam, a double-shaft motor, a connecting rod, a first gear, a second gear, a first threaded rod, a first threaded sleeve, a lifting inner cylinder, a sliding groove, a sliding block and a lifting outer cylinder, wherein the fixed cross beam is arranged between the two lifting outer cylinders, the double-shaft motor is fixedly connected inside the fixed cross beam, the connecting rods are fixedly connected to output shafts at two ends of the double-shaft motor, the end parts of the two connecting rods extend to the inner side of the lifting outer cylinder, the first gear is fixedly connected to one side of the two first gears, the second gear is fixedly connected to the lower end of the second gear through the first threaded rod, the first threaded rod is in threaded connection with each first threaded rod, the outer side of the first threaded sleeve is fixedly connected to the inner wall of the lifting inner cylinder, the sliding blocks are fixedly connected to two sides of the lifting inner cylinder, and the sliding groove matched with the sliding block is fixedly arranged on the inner wall of the lifting outer cylinder, the lower side of the lifting inner cylinder is fixedly connected with the fixing plate.

As a still further scheme of the utility model: the upper die is a male die, and the lower die is a female die.

As a still further scheme of the utility model: and a balancing weight is arranged on the upper side of the upper die.

As a still further scheme of the utility model: demoulding mechanism comprises jack-up board, fixed block, hinge bar, swivel nut two, threaded rod two and motor, the jack-up board is installed at the interior bottom surface of bed die, and sliding connection between jack-up board and the bed die inner wall, the lower surface both sides of jack-up board are provided with the fixed block, the lower extreme of fixed block and the interior bottom rigid coupling of bed die, and the upper end of fixed block and jack-up board contact but not rigid coupling, the lower surface central point of jack-up board puts and is connected with two hinge bars, the inside of base is fixed and is provided with the mounting groove, and is provided with threaded rod two in the mounting groove, the one end of threaded rod two extends to the outside of base to with the motor rigid coupling, be provided with the external screw thread that moves towards opposite on the threaded rod two, and the both sides screw thread of threaded rod two has cup jointed swivel nut two, two the upper end of swivel nut two all is connected with the hinge bar.

The utility model has the beneficial effects that: the cold pressing die for producing the diamond grinding wheel is reasonable in design, the shock absorption supporting legs are arranged, the die is convenient to absorb shock during die pressing, the stability of the device is improved, the stress between an upper die and a lower die is uniform, a first gear at two sides, a second gear and a threaded rod are driven by a double-shaft motor to rotate in a matched mode, a first threaded sleeve can drive a lifting inner cylinder to lift, the upper die is driven to descend conveniently and is pressed with the lower die, the die pressing work is realized, the automation degree is high, the power during die pressing can be increased by arranging a balancing weight on the upper side of the upper die, the efficiency of die pressing forming is improved, a demoulding mechanism is arranged, when the forming die needs to be taken out, the motor drives the second threaded rod to rotate, so that the two threaded sleeves at two sides are close to each other, a jacking plate arranged in the lower die in a sliding mode is lifted, and the forming die is separated from the die, the shape and size of the jacking plate are consistent with those of the lower die cavity, so that a certain protection effect on the forming die is facilitated, and the formed grinding wheel is prevented from being damaged due to uneven stress.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a portion of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. the base, 2, the shock attenuation supporting leg, 3, the spliced pole, 4, elevating system, 5, fixed cross beam, 6, biax motor, 7, the connecting rod, 8, gear one, 9, gear two, 10, threaded rod one, 11, swivel nut one, 12, the lift inner tube, 13, the spout, 14, the slider, 15, the fixed plate, 16, the balancing weight, 17, go up the mould, 18, the lift outer tube, 19, the bed die, 20, the jack-up board, 21, the fixed block, 22, the hinge bar, 23, swivel nut two, 24, threaded rod two and 25, the motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 3, the cold pressing mold for producing the diamond grinding wheel comprises a base 1, a lifting mechanism 4, an upper mold 17 and a lower mold 19, wherein connecting columns 3 are fixedly mounted on two sides of the upper surface of the base 1, the lifting mechanism 4 is fixedly connected between the two connecting columns 3, a fixing plate 15 is arranged at the lower end of the lifting mechanism 4, the upper mold 17 is fixedly connected to the lower side of the fixing plate 15, the lower mold 19 mounted on the upper side of the base 1 is fixedly arranged on the lower side of the upper mold 17, and a demolding mechanism is arranged on the lower side of the lower mold 19.

Further, in the embodiment of the present invention, the lifting mechanism 4 is composed of a fixed beam 5, a double-shaft motor 6, a connecting rod 7, a first gear 8, a second gear 9, a first threaded rod 10, a first threaded sleeve 11, a lifting inner cylinder 12, a sliding chute 13, a sliding block 14 and a lifting outer cylinder 18, the fixed beam 5 is installed between the two lifting outer cylinders 18, the double-shaft motor 6 is fixedly connected inside the fixed beam 5, the model of the double-shaft motor 6 is 57BYGH246-3004A-ZK12, the connecting rod 7 is fixedly connected to output shafts at two ends of the double-shaft motor 6, the end portions of the two connecting rods 7 extend to the inner side of the lifting outer cylinder 18 and are fixedly connected with the first gear 8, one side gear of the two first gears 8 is engaged with the second gear 9, the lower end of the second gear 9 is fixedly connected with the first threaded rod 10, the first threaded rod 10 is threadedly connected with the first threaded sleeve 11, the outer side of the first thread insert 11 is fixedly connected with the inner wall of the lifting inner cylinder 12, the two sides of the lifting inner cylinder 12, which are positioned inside the lifting outer cylinder 18, are fixedly connected with sliders 14, a sliding groove 13 matched with the sliders 14 is fixedly arranged on the inner wall of the lifting outer cylinder 18, the lower side of the lifting inner cylinder 12 is fixedly connected with a fixing plate 15, an upper die 17 is driven to descend conveniently and is pressed against a lower die 19, and therefore the pressing die is achieved, and the automation degree is high.

Further, in the embodiment of the utility model, the demoulding mechanism is composed of a jacking plate 20, a fixed block 21, a hinged rod 22, a second screw sleeve 23, a second threaded rod 24 and a motor 25, the jacking plate 20 is installed on the inner bottom surface of the lower die 19, the jacking plate 20 is connected with the inner wall of the lower die 19 in a sliding manner, the fixed block 21 is arranged on two sides of the lower surface of the jacking plate 20, the lower end of the fixed block 21 is fixedly connected with the inner bottom surface of the lower die 19, the upper end of the fixed block 21 is in contact with but not fixedly connected with the jacking plate 20, two hinged rods 22 are connected to the central position of the lower surface of the jacking plate 20, an installation groove is fixedly arranged inside the base 1, the second threaded rod 24 is arranged in the installation groove, one end of the second threaded rod 24 extends to the outer side of the base 1 and is fixedly connected with the motor 25, the model number of the motor 25 is Y112M-2, external threads with opposite directions are arranged on the second threaded rod 24, and two thread sleeves 23 are sleeved on the two sides of the second threaded rod 24 in a threaded manner, and the upper ends of the two thread sleeves 23 are connected with the hinge rod 22, so that the cold-pressing forming die can be conveniently demoulded and taken out.

Example two

Furthermore, in the embodiment of the utility model, the four corners of the lower surface of the base 1 are fixedly provided with the damping support legs 2, so that the mould can be damped during die pressing, and the stability of the device is improved.

Further, in the embodiment of the present invention, the upper mold 17 is a male mold, and the lower mold 19 is a female mold, so that the molding efficiency is improved during the compression molding.

Further, in the embodiment of the present invention, the upper side of the upper mold 17 is provided with the weight 16, which is convenient for increasing the power during the compression molding and improving the compression molding efficiency.

The working principle is as follows: when the cold pressing die for producing the diamond grinding wheel is used, the die is firstly placed on the horizontal ground, then a diamond grinding wheel die blank to be processed is placed in the lower die 19, then the double-shaft motor 6 is started, the double-shaft motor 6 drives the first gears 8, the second gears 9 and the first threaded rod 10 to rotate in a matched mode, the first threaded sleeve 11 can drive the lifting inner cylinder 12 to lift, the upper die 17 is driven to descend to be pressed with the lower die 19, the die pressing work is achieved, the automation degree is high, the power during die pressing can be increased by arranging the counterweight block 16 on the upper side of the upper die 17, after the die pressing is formed, the formed grinding wheel needs to be subjected to demoulding treatment, at the moment, the motor 25 drives the second threaded rods 24 to rotate by starting the motor 25, so that the second threaded sleeves 23 on the two sides are close to each other, and the jacking plate 20 arranged in the lower die 19 in a sliding mode is lifted, and then make the moulded die break away from in the mould, the shape size of jacking plate 20 is unanimous with lower mould 19 die cavity, is convenient for play certain guard action to the moulded die, avoids the atress inequality to lead to the shaping emery wheel to be destroyed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a diamond grinding wheel production is with cold pressing die which characterized in that: including base (1), elevating system (4), go up mould (17) and bed die (19), the upper surface both sides fixed mounting of base (1) has spliced pole (3), two the rigid coupling has elevating system (4) between spliced pole (3), the lower extreme of elevating system (4) is provided with fixed plate (15), the downside rigid coupling of fixed plate (15) has last mould (17), the fixed bed die (19) of installing at base (1) upside that are provided with of downside of going up mould (17), the downside of bed die (19) is provided with demoulding mechanism.

2. The cold pressing die for producing the diamond grinding wheel according to claim 1, wherein the cold pressing die comprises: the damping support legs (2) are fixedly mounted at four corners of the lower surface of the base (1).

3. The cold pressing die for producing the diamond grinding wheel according to claim 1, wherein the cold pressing die comprises: the lifting mechanism (4) consists of a fixed cross beam (5), a double-shaft motor (6), a connecting rod (7), a first gear (8), a second gear (9), a first threaded rod (10), a first thread insert (11), a lifting inner barrel (12), a sliding chute (13), a sliding block (14) and a lifting outer barrel (18), the fixed cross beam (5) is installed between the two lifting outer barrels (18), the double-shaft motor (6) is fixedly connected to the inner part of the fixed cross beam (5), the connecting rod (7) is fixedly connected to output shafts at two ends of the double-shaft motor (6), the end parts of the two connecting rods (7) extend to the inner side of the lifting outer barrel (18) and are fixedly connected with the first gear (8), one side gear meshing of the two first gear (8) is connected with the second gear (9), the lower end fixedly connected with the first threaded rod (10) of the second gear (9), and the first thread insert (11) is connected to each first threaded rod (10), the outer side of the first thread sleeve (11) is fixedly connected with the inner wall of the lifting inner cylinder (12), the lifting inner cylinder (12) is fixedly connected with the two sides of the interior of the lifting outer cylinder (18) through sliding blocks (14), sliding grooves (13) matched with the sliding blocks (14) are fixedly formed in the inner wall of the lifting outer cylinder (18), and the lower side of the lifting inner cylinder (12) is fixedly connected with a fixing plate (15).

4. The cold pressing die for producing the diamond grinding wheel according to claim 1, wherein the cold pressing die comprises: the upper die (17) is a male die, and the lower die (19) is a female die.

5. The cold pressing die for producing the diamond grinding wheel according to claim 1, wherein the cold pressing die comprises: and a balancing weight (16) is arranged on the upper side of the upper die (17).

6. The cold pressing die for producing the diamond grinding wheel according to claim 1, wherein the cold pressing die comprises: the demoulding mechanism comprises a jacking plate (20), a fixed block (21), a hinged rod (22), two screw sleeves (23), two threaded rods (24) and a motor (25), wherein the jacking plate (20) is installed on the inner bottom surface of a lower die (19), the jacking plate (20) is connected with the inner wall of the lower die (19) in a sliding manner, the fixed block (21) is arranged on two sides of the lower surface of the jacking plate (20), the lower end of the fixed block (21) is fixedly connected with the inner bottom surface of the lower die (19), the upper end of the fixed block (21) is in contact with the jacking plate (20) but is not fixedly connected with the lower surface of the jacking plate (20), two hinged rods (22) are connected to the central position of the lower surface of the jacking plate (20), a mounting groove is fixedly arranged in the inner part of the base (1), two threaded rods (24) are arranged in the mounting groove, one end of the two threaded rods (24) extends to the outer side of the base (1), and the screw rod II (24) is provided with external threads with opposite directions, two screw sleeves II (23) are sleeved on the threads on the two sides of the screw rod II (24), and the upper ends of the two screw sleeves II (23) are connected with a hinge rod (22).