CN214349605U - Automatic cold pressing device for producing rope saw bead strings - Google Patents

Abstract

The utility model discloses an automatic cold pressing device for producing rope saw beads, which comprises a first lower template, a second lower template, a middle template and an upper template which are sequentially arranged from bottom to top, wherein the first lower template is fixedly and vertically provided with a lower core rod, and the first lower template is driven by a first telescopic driving mechanism to move up and down relative to the middle template; a lower punch is fixedly and vertically arranged on the second lower template, and the second lower template is driven by a second telescopic driving mechanism to move up and down relative to the middle template; a mold cup is fixedly and vertically arranged on the middle mold plate; an upper core rod is elastically and vertically arranged on the upper template, an upper punch is fixedly and vertically arranged on the upper template, and the upper template is driven by a third telescopic driving mechanism to move up and down relative to the middle template. The utility model has novel design and compact structure, can realize the two-way press forming of the beads up and down, ensures the uniform density of the beads up and down, and improves the service life of the beads; meanwhile, the production efficiency of the wire saw bead string is greatly improved.

Description

Automatic cold pressing device for producing rope saw bead strings

Technical Field

The utility model belongs to the technical field of rope saw bead production facility, concretely relates to an automatic cold pressing device for producing rope saw bead.

Background

At present, the diamond string bead wire saw is more and more widely applied in the stone processing and building cutting industries, and correspondingly, the requirement on the diamond string bead wire saw is more and more increased, according to incomplete statistics, the annual output of the wire saw of only Chinese domestic manufacturers is over 2000 kilometers at present, and the wire saw is still rapidly increased.

An important process in the production process of the rope saw for the diamond string beads is compression molding of diamond powder, and after various metal powders (such as iron powder, cobalt powder, copper powder and the like) with different weights and diamond particles are fully and uniformly stirred, the diamond powder and a metal matrix are compressed into the rope saw string beads in a die. The existing pressing device adopts one-way pressing, so that the upper density and the lower density of beads are easily different, and the using effect of the beads is poor.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of prior art, the utility model aims to provide an automatic cold pressing device for producing rope saw string of beads, it can realize two-way suppression.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic cold pressing device for producing rope saw beads comprises a first lower template, a second lower template, a middle template and an upper template which are sequentially arranged from bottom to top, wherein a lower core rod is fixedly and vertically arranged on the first lower template, and the first lower template is driven by a first telescopic driving mechanism to move up and down relative to the middle template; a lower punch is fixedly and vertically arranged on the second lower template, the upper end of the lower core rod extends into the lower part of the lower punch and is in sliding fit with the lower punch, and the second lower template is driven by a second telescopic driving mechanism to move up and down relative to the middle template; a die cup is fixedly and vertically arranged on the middle die plate, the upper end of the lower punch extends into the lower part of the die cup, and the upper end of the lower punch and the lower die are in sliding fit; the upper die plate is elastically and vertically provided with an upper core rod, an upper punch is fixedly and vertically arranged on the upper die plate, the lower end of the upper core rod extends into the upper punch and is exposed out of a preset length, the lower end of the upper punch is downwards aligned with the die cup and can be in sliding fit with the die cup, and the upper die plate is driven by a third telescopic driving mechanism to move up and down relative to the middle die plate.

Preferably, the bottom surface of the upper die plate is fixedly provided with a U-shaped block, the upper core rod is vertically and movably arranged in the middle of the U-shaped block, a pressing plate is elastically connected below the upper die plate, the middle part of the pressing plate penetrates through the U-shaped groove of the U-shaped block and can move up and down in the U-shaped groove, the bottom surface of the pressing plate props against the top surface of the upper core rod, and the upper punch is fixedly and vertically arranged on the bottom surface of the U-shaped block.

Preferably, the both ends of clamp plate are fixed respectively and are erected the lifter, two spring seat holes have been seted up on the cope match-plate pattern, the upper end of lifter passes spring seat hole back hoist and mount on the cope match-plate pattern, be provided with the compression spring around outside the lifter in the spring seat hole, the upper end of compression spring supports and leans on the cope match-plate pattern, the lower extreme of compression spring supports and leans on the clamp plate.

Preferably, the automatic cold pressing device further comprises a top plate, the top plate is arranged above the upper die plate and is relatively fixed with the middle die plate, two reset ejector rods used for ejecting the pressing plate downwards are fixedly arranged on the bottom surface of the top plate, two first vertical avoiding holes for the reset ejector rods to penetrate through are formed in the upper die plate, the fixed end of the third telescopic driving mechanism is installed on the top surface of the top plate, and the movable end of the third telescopic driving mechanism penetrates through the top plate and then is fixedly connected with the upper die plate.

Preferably, the automatic cold pressing device further comprises a frame, a platen is arranged at the top of the frame, a fixed end of the first telescopic driving mechanism is fixedly installed on the bottom surface of the platen, a movable end of the first telescopic driving mechanism penetrates through the platen and then is fixedly connected with the first lower template, a plurality of stand columns are fixedly and vertically arranged on the platen, a top plate is fixedly installed between the tops of the plurality of stand columns, the middle template is fixedly installed between the middle parts of the plurality of stand columns, the upper template is slidably installed between the upper parts of the plurality of stand columns, the first lower template and the second lower template are both slidably installed between the lower parts of the plurality of stand columns, a lifting plate is fixedly connected with the movable end of the second telescopic driving mechanism, a plurality of synchronous lifting rods are respectively and fixedly connected between the lifting plate and the second lower template, and the platen is provided with a second vertical avoiding hole for the synchronous lifting rod to penetrate through, and a third vertical avoiding hole for the synchronous lifting rod to pass through is formed in the first lower template.

Preferably, a pressure sensor is fixedly connected between the movable end of the first telescopic driving mechanism and the first lower template, the movable end of the first telescopic driving mechanism penetrates through the bedplate and then is fixedly connected with the lower end of the pressure sensor, and the upper end of the pressure sensor is fixedly connected with the first lower template.

Preferably, a plurality of hanging rods are fixedly mounted below the bedplate, a hanging plate is fixedly mounted between the lower ends of the plurality of hanging rods, the fixed end of the second telescopic driving mechanism is fixedly mounted on the bottom surface of the hanging plate, and the movable end of the second telescopic driving mechanism penetrates through the hanging plate and then is fixedly connected with the lifting plate.

Preferably, vertical sliding sleeves in sliding fit with the stand columns are fixedly embedded in the first lower template, the second lower template and the upper template.

Preferably, the lower end of the upper core rod is provided with a positioning raised head for positioning the substrate.

Preferably, the first telescopic driving mechanism is a lower core rod servo electric cylinder.

Preferably, the second telescopic driving mechanism is a lower punch servo electric cylinder.

Preferably, the third telescopic driving mechanism is an upper punch servo electric cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has: the automatic pressing device is novel in design and compact in structure, can realize the up-and-down bidirectional pressing and forming of the beads, ensures that the up-and-down density of the beads is relatively uniform, and prolongs the service life of the beads; the pressing speed and the pressing pressure can be controlled by the first telescopic driving mechanism, the second telescopic driving mechanism and the third telescopic driving mechanism according to the actual production requirements, and the production effect is good; meanwhile, the production efficiency of the wire saw bead string is greatly improved.

Drawings

Fig. 1 is a front cross-sectional view of an embodiment of the present invention in a retracted state of an upper punch.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a front sectional view of the embodiment of the present invention in a state where the upper mold is pressed in place.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a left side sectional view of the embodiment of the present invention when the upper mold is in place.

Fig. 6 is a top view of an embodiment of the present invention.

Fig. 7 is a plan view of the second lower template in the embodiment of the present invention.

Reference numerals: 100. an automatic cold pressing device; 101. a frame; 102. a platen; 103. a column; 104. a boom; 105. a hanger plate; 110. a first lower template; 111. a lower core rod; 112. a first telescopic driving mechanism; 113. a pressure sensor; 120. a second lower template; 121. punching a lower die; 122. a second telescopic driving mechanism; 123. a lifting plate; 124. a synchronization lever; 130. a middle template; 131. a mold cup; 132. a fixing ring; 140. mounting a template; 141. an upper core rod; 142. punching by an upper die; 143. a third telescopic driving mechanism; 144. a U-shaped block; 145. pressing a plate; 146. a lifting rod; 147. a spring seat bore; 148. a compression spring; 149. positioning the raised head; 150. a top plate; 151. resetting the ejector rod; 210. a base.

Detailed Description

In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1 to 7, an automatic cold pressing device 100 for producing a string of beads by a wire saw comprises a first lower template 110, a second lower template 120, a middle template 130 and an upper template 140 which are sequentially (parallelly) arranged from bottom to top, wherein a lower core bar 111 is fixedly and vertically arranged on the first lower template 110 (such as the central position), and the first lower template 110 is driven by a first telescopic driving mechanism 112 to move up and down relative to the middle template 130; a lower punch 121 is fixedly and vertically arranged on the second lower template 120 (such as in the center), the upper end of the lower core rod 111 extends into the lower part of the lower punch 121 and is in sliding fit with the lower punch 121, and the second lower template 120 is driven by a second telescopic driving mechanism 122 to move up and down relative to the middle template 130; a die cup 131 is fixedly and vertically arranged on the middle die plate 130 (such as at the center), the upper end of the lower punch 121 extends into the lower part of the die cup 131, and the upper end and the lower end are in sliding fit; an upper core rod 141 is elastically and vertically arranged on the upper die plate 140 (such as at the central position), an upper punch 142 is fixedly and vertically arranged on the upper die plate 140 (such as at the central position), the lower end of the upper core rod 141 extends into the upper punch 142 and is exposed to a preset length, the lower end of the upper punch 142 is downwards aligned with the die cup 131 and can be in sliding fit with the die cup 131, and the upper die plate 140 is driven by a third telescopic driving mechanism 143 to move up and down relative to the middle die plate 130.

In an embodiment, a U-shaped block 144 is fixedly installed on a bottom surface (e.g., a central position) of the upper mold plate 140, the upper core rod 141 is vertically movably installed in the middle of the U-shaped block 144, a pressing plate 145 is elastically connected to a lower portion of the upper mold plate 140, a middle portion of the pressing plate 145 penetrates through a U-shaped groove of the U-shaped block 144 and can move up and down in the U-shaped groove, a bottom surface of the pressing plate 145 abuts against a top surface of the upper core rod 141, and the upper punch 142 is fixedly erected on the bottom surface of the U-shaped block 144. Wherein, the stiff ends of going up stamping 142, lower stamping 121 and lower core rod 111 all can adopt the clamping ring to pass through bolt demountable installation on the position that corresponds, easy dismounting, the change of being convenient for. Wherein, the mold cup 131 can be detachably mounted on the base 210 by bolts using the fixing ring 132, and the base 210 can be detachably mounted on the middle mold plate 130 by bolts.

In an embodiment, two ends of the pressing plate 145 are respectively and fixedly and vertically provided with a lifting rod 146, the upper die plate 140 is provided with two spring seat holes 147, the upper end of the lifting rod 146 passes through the spring seat holes 147 and then is hoisted on the upper die plate 140, a compression spring 148 surrounding the lifting rod 146 is arranged in the spring seat hole 147, the upper end of the compression spring 148 abuts against the upper die plate 140, and the lower end of the compression spring 148 abuts against the pressing plate 145. The lifting rod 146 may be a double-threaded screw, two ends of the double-threaded screw are respectively and fixedly provided with a nut (and a gasket), the lower end of the double-threaded screw passes through the pressing plate 145 and then is locked by the nut, and the upper end of the double-threaded screw passes through the upper die plate 140 from the spring seat hole 147 and then is provided with the nut.

In an embodiment, the automatic cold pressing device further comprises a top plate 150, the top plate 150 is arranged above the upper die plate 140 and is relatively fixed with the middle die plate 130, two reset ejector rods 151 used for ejecting the pressing plate 145 downwards are fixedly mounted on the bottom surface of the top plate 150, two first vertical avoiding holes for the reset ejector rods 151 to pass through are formed in the upper die plate 140, the upper core rod 141 and the upper die punch 142 can be prevented from being clamped by the reset ejector rods 151, when the upper core rod 141 and the upper die punch 142 are clamped, the reset ejector rods 151 eject the pressing plate 145 downwards when the upper die punch 142 ascends, and further eject the upper core rod 141 downwards for smooth resetting; the fixed end of the third telescopic driving mechanism 143 is mounted on the top surface of the top plate 150, and the movable end of the third telescopic driving mechanism 143 passes through the top plate 150 and then is fixedly connected with the upper die plate 140. The upper portion of the reset ejector rod 151 can be a threaded rod, the bottom surface of the top plate 150 can be provided with a threaded hole matched with the threaded rod, and the threaded rod can be sleeved with a locking nut.

In an embodiment, the automatic cold pressing device further includes a frame 101, a platen 102 is disposed at the top of the frame 101, a fixed end of the first telescopic driving mechanism 112 is fixedly mounted on the bottom surface of the platen 102, a movable end of the first telescopic driving mechanism 112 penetrates through the platen 102 and then is fixedly connected with a first lower template 110, a plurality of columns 103 are fixedly and vertically disposed on the platen 102, a top plate 150 is fixedly mounted between the tops of the plurality of columns 103, a middle template 130 is fixedly mounted between the middle portions of the plurality of columns 103, an upper template 140 is slidably mounted between the upper portions of the plurality of (e.g., two) columns 103, the first lower template 110 and the second lower template 120 are both slidably mounted between the lower portions of the plurality of columns 103, a lifting plate 123 is fixedly connected to the movable end of the second telescopic driving mechanism 122, and a plurality of synchronizing rods 124 are respectively and fixedly connected between the lifting plate 123 and the second lower template 120, the platen 102 is provided with a second vertical avoiding hole for the synchronization rod 124 to pass through, and the first lower template 110 is provided with a third vertical avoiding hole for the synchronization rod 124 to pass through. The vertical sliding sleeves in sliding fit with the columns 103 are fixedly embedded in the first lower template 110, the second lower template 120 and the upper template 140, and can be detached and replaced, so that the first lower template 110, the second lower template 120 and the upper template 140 are prevented from directly rubbing against the columns 103, and the service lives of the first lower template 110, the second lower template 120 and the upper template 140 are prolonged.

In one embodiment, a pressure sensor 113 is fixedly connected between the movable end of the first telescopic driving mechanism 112 and the first lower template 110, the movable end of the first telescopic driving mechanism 112 penetrates through the platen 102 and is fixedly connected with the lower end of the pressure sensor 113, and the upper end of the pressure sensor 113 is fixedly connected with the first lower template 110. During pressing, the pressure sensor 113 can sense the pressure applied to the lower core rod 111, so as to control the actions of the first telescopic driving mechanism 112 and other components. For example, when the pressure of the pressure sensor 113 is significantly increased (e.g., about 50 kg), the first telescopic driving mechanism 112 is slowly retracted, and after the upper punch 142 and the upper core rod 141 are synchronously lowered by about 12mm, the second telescopic driving mechanism 122 starts to be rapidly extended, the lower punch 121 is rapidly raised by about 30mm and then slowly raised by about 5mm, and simultaneously the upper punch 142 is slowly lowered by about 7mm, thereby completing the bidirectional pressing.

In an embodiment, a plurality of (e.g., two) suspension rods 104 may be fixedly mounted below the platen 102, a suspension plate 105 is fixedly mounted between lower ends of the plurality of suspension rods 104, a fixed end of the second telescopic driving mechanism 122 is fixedly mounted on a bottom surface of the suspension plate 105, and a movable end of the second telescopic driving mechanism 122 passes through the suspension plate 105 and is fixedly connected to the lifting plate 123. Of course, the fixed end of the second telescopic driving mechanism 122 may be directly mounted on the frame 101.

In one embodiment, the lower end of the upper core rod 141 is provided with a positioning convex head 149 for positioning the substrate, and the positioning convex head 149 can be inserted into the substrate, so that the positioning is reliable; of course, the lower end of the upper core rod 141 may be designed to be tapered, and may also play a role in positioning. For convenience of manufacture, the first lower template 110 and the second lower template 120 may have the same size and shape, and the upper template 140 and the top plate 150 may have the same size and shape.

In one embodiment, the first telescopic driving mechanism 112 is preferably, but not limited to, a lower core rod 111 servo electric cylinder, the second telescopic driving mechanism 122 is preferably, but not limited to, a lower punch 121 servo electric cylinder, and the third telescopic driving mechanism 143 is preferably, but not limited to, an upper punch 142 servo electric cylinder, and the servo electric cylinders can precisely control the speed and the height position according to the process requirements, so that the powder pressing process in the die cup 131 reaches a desired state, and qualified (high-quality) beads are pressed; of course, the first telescopic driving mechanism 112, the second telescopic driving mechanism 122, or the third telescopic driving mechanism 143 may be a telescopic driving mechanism such as an air cylinder, an oil cylinder, or an electric push rod.

The working principle of the embodiment is as follows: before pressing, the metered powder is pushed into the mold cup 131, and then the matrix is pushed above the mold cup 131. When the mixture is pressed,

the upper core rod 141 and the upper punch 142 move downwards together, the upper core rod 141 stops moving downwards after propping against the base body first, the compression spring 148 is compressed in the process of moving the upper punch 142 downwards for a certain distance, the upper punch 142 continues moving downwards to the right position and then continues moving downwards with the upper core rod 141, the upper core rod 141 compresses the base body on the lower core rod 111 and continues moving downwards, and meanwhile, the lower core rod 111 synchronously moves downwards together with the upper core rod 141 and the upper punch 142 to send the base body into powder in the die cup 131; when the upper punch 142 begins to press the powder in the die cup 131, the lower punch 121 also begins to move upwards at the same speed as the upper punch 142, and the powder is pressed in two directions under the extrusion of the upper punch 142 and the lower punch 121; after the powder in the die cup 131 is pressed to a preset height, the upper punch 142, the lower punch 121 and the lower core rod 111 stop moving, and the pressure is maintained for a preset time, so that the pressed and formed powder is fully shaped; finally, the upper punch 142, the lower punch 121 and the lower core rod 111 move upwards to eject the pressed beads out of the die cup 131.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.

Claims (10)

1. The utility model provides an automatic cold press unit for producing rope saw string of beads which characterized in that: the first lower template is fixedly and vertically provided with a lower core rod, and is driven by a first telescopic driving mechanism to move up and down relative to the middle template; a lower punch is fixedly and vertically arranged on the second lower template, the upper end of the lower core rod extends into the lower part of the lower punch and is in sliding fit with the lower punch, and the second lower template is driven by a second telescopic driving mechanism to move up and down relative to the middle template; a die cup is fixedly and vertically arranged on the middle die plate, the upper end of the lower punch extends into the lower part of the die cup, and the upper end of the lower punch and the lower die are in sliding fit; the upper die plate is elastically and vertically provided with an upper core rod, an upper punch is fixedly and vertically arranged on the upper die plate, the lower end of the upper core rod extends into the upper punch and is exposed out of a preset length, the lower end of the upper punch is downwards aligned with the die cup and can be in sliding fit with the die cup, and the upper die plate is driven by a third telescopic driving mechanism to move up and down relative to the middle die plate.

2. The automatic cold pressing device for producing wire saw beads according to claim 1, characterized in that: the bottom surface fixed mounting of cope match-plate pattern has the U-shaped piece, go up core bar vertically movable mounting in the centre of U-shaped piece, the below elastic connection of cope match-plate pattern has the clamp plate, the middle part of clamp plate passes the U-shaped groove of U-shaped piece and can reciprocate in the U-shaped inslot, the top surface of core bar is withstood to the bottom surface of clamp plate, it establishes in the bottom surface of U-shaped piece to go up the fixed erectness of stamping.

3. The automatic cold pressing device for producing wire saw beads as claimed in claim 2, wherein: the two ends of the pressing plate are respectively fixedly and vertically provided with a lifting rod, the upper template is provided with two spring seat holes, the upper end of the lifting rod penetrates through the spring seat holes and then is hoisted on the upper template, a compression spring surrounding the lifting rod is arranged in the spring seat hole, the upper end of the compression spring is abutted against the upper template, and the lower end of the compression spring is abutted against the pressing plate.

4. The automatic cold pressing device for producing wire saw beads as claimed in claim 2, wherein: the automatic cold pressing device further comprises a top plate, the top plate is arranged above the upper die plate and is relatively fixed with the middle die plate, two reset ejector rods used for ejecting the pressing plate downwards are fixedly arranged on the bottom surface of the top plate, two first vertical avoiding holes for the reset ejector rods to penetrate through are formed in the upper die plate, the fixed end of the third telescopic driving mechanism is installed on the top surface of the top plate, and the movable end of the third telescopic driving mechanism penetrates through the top plate and then is fixedly connected with the upper die plate.

5. The automatic cold pressing device for producing wire saw beads according to claim 4, characterized in that: the automatic cold pressing device further comprises a rack, a bedplate is arranged at the top of the rack, a fixed end of the first telescopic driving mechanism is fixedly arranged on the bottom surface of the bedplate, a movable end of the first telescopic driving mechanism penetrates through the bedplate and then is fixedly connected with the first lower template, a plurality of stand columns are fixedly and vertically arranged on the bedplate, a top plate is fixedly arranged between the tops of the plurality of stand columns, the middle template is fixedly arranged between the middle parts of the plurality of stand columns, the upper template is slidably arranged between the upper parts of the plurality of stand columns, the first lower template and the second lower template are both slidably arranged between the lower parts of the plurality of stand columns, a lifting plate is fixedly connected with the movable end of the second telescopic driving mechanism, a plurality of synchronous lifting rods are respectively and fixedly connected between the lifting plate and the second lower template, and a second vertical avoiding hole for the synchronous lifting rod to pass through is formed in the bedplate, and a third vertical avoiding hole for the synchronous lifting rod to pass through is formed in the first lower template.

6. The automatic cold pressing device for producing wire saw beads as claimed in claim 5, wherein: and a pressure sensor is fixedly connected between the movable end of the first telescopic driving mechanism and the first lower template, the movable end of the first telescopic driving mechanism penetrates through the bedplate and then is fixedly connected with the lower end of the pressure sensor, and the upper end of the pressure sensor is fixedly connected with the first lower template.

7. The automatic cold pressing device for producing wire saw beads as claimed in claim 5, wherein: a plurality of hanging rods are fixedly arranged below the bedplate, a hanging plate is fixedly arranged between the lower ends of the plurality of hanging rods, the fixed end of the second telescopic driving mechanism is fixedly arranged on the bottom surface of the hanging plate, and the movable end of the second telescopic driving mechanism penetrates through the hanging plate and then is fixedly connected with the lifting plate.

8. The automatic cold pressing device for producing wire saw beads as claimed in claim 5, wherein: and vertical sliding sleeves in sliding fit with the stand columns are fixedly embedded in the first lower template, the second lower template and the upper template.

9. The automatic cold pressing device for producing wire saw beads according to claim 1, characterized in that: and a positioning raised head for positioning the substrate is arranged at the lower end of the upper core rod.

10. The automatic cold pressing device for producing wire saw beads according to claim 1, characterized in that: the first telescopic driving mechanism is a lower core rod servo electric cylinder, the second telescopic driving mechanism is a lower punch servo electric cylinder, and the third telescopic driving mechanism is an upper punch servo electric cylinder.

Images