CN211390805U

CN211390805U - High-precision square hammering mechanism

Info

Publication number: CN211390805U
Application number: CN201922177346.XU
Authority: CN
Inventors: 周凯; 吴海燕; 周英杰; 张亚伦
Original assignee: Shenzhen Superwave Laser Technology Co ltd
Current assignee: Shenzhen Superwave Laser Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-01
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a high-precision hammer square mechanism, which comprises a frame, wherein the bottom of the frame is provided with a hammer bead die for hammering a ball into square and a pressure seat for extruding the hammer bead die along the vertical direction, the pressure seat is arranged at the driving end of a linear driving mechanism, and the linear driving mechanism is arranged on the frame; the utility model discloses technical scheme simplifies the structural design of traditional hammer side mechanism, improves production efficiency, reduction in production cost.

Description

High-precision square hammering mechanism

Technical Field

The utility model relates to a ball ornaments processing equipment field, in particular to high accuracy hammer side mechanism.

Background

With the continuous improvement of living standard, people have higher and higher requirements on ornaments such as gold, and the ornaments are required to be processed due to various shapes. In the prior art, the ball square hammering device is usually adopted to hammer square balls for processing, but the traditional ball square hammering device is complex in structure, complex in processing technology, various in parts, high in manufacturing cost, large in occupied area of the device and high in production noise.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high accuracy hammer side mechanism aims at simplifying the structural design of traditional hammer side mechanism, improves production efficiency, reduction in production cost.

In order to achieve the above object, the present invention provides a high-precision hammer square mechanism, which comprises a frame, a hammer ball mold for performing hammer square operation on a ball, and a pressure seat for extruding the hammer ball mold in a vertical direction, wherein the pressure seat is mounted at a driving end of a linear driving mechanism, and the linear driving mechanism is mounted on the frame;

the hammer bead die comprises an upper die core and a lower die core which are movably butted in the vertical direction, the upper die core corresponds to the pressure seat, a plurality of groups of first spring mounting holes which correspond to each other are formed in the butting surface of the upper die core and the lower die core, a first spring is mounted in any one group of first spring mounting holes, and two ends of the first spring are respectively butted in the first spring mounting holes of the upper die core and the lower die core; the butting surfaces of the upper mold core and the lower mold core are respectively provided with a 45-degree rectangular open groove corresponding to each other, and the two 45-degree rectangular open grooves are butted with each other to form a rectangular cavity; any one first pressing block and a second pressing block are installed in the 45-degree rectangular groove, a 45-degree sliding groove is formed between the first pressing block and the first pressing block, a third pressing block is installed in the 45-degree sliding groove in a sliding mode, and the second pressing block and the third pressing block form a square groove used for enabling the ball hammer to be square.

Preferably, a plurality of groups of second spring mounting holes corresponding to each other are formed in the bottom of the 45-degree sliding groove and the third pressing block, a second spring is mounted in any one group of the second spring mounting holes, and two ends of the second spring are respectively abutted to the 45-degree sliding groove and the second spring mounting holes of the third pressing block.

Preferably, a supporting rod is arranged in the first spring in a penetrating mode, mounting holes corresponding to the supporting rod are formed in the upper mold core and the lower mold core, one end of the supporting rod is fixedly mounted in the mounting holes of the upper mold core, and the other end of the supporting rod is movably arranged in the mounting holes of the lower mold core in a penetrating mode.

Preferably, a plurality of groups of guide holes are formed in the butt joint surface of the upper mold core and the lower mold core, a guide sleeve is arranged in any one group of guide holes, and a guide rod penetrates through the guide sleeve.

Preferably, the first pressing block locking screw is installed on the 45-degree rectangular slotted side faces of the upper mold core and the lower mold core, screw through holes communicated with the 45-degree rectangular slotted side faces are respectively formed in the upper mold core and the lower mold core, and the screw penetrates through the screw through hole to be locked with the first pressing block.

Preferably, the linear driving mechanism comprises a driving motor, a driving end of the driving motor is connected with a speed reducing motor, the driving end of the speed reducing motor is connected with a ball screw along the vertical direction, a movable nut is sleeved on the ball screw, and the pressure seat is installed on the movable nut.

Preferably, two guide plates are symmetrically arranged on two sides of the pressure seat, and the guide plates are arranged on the rack.

Preferably, still add a protective cover in the frame, the protective cover is located linear drive mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: adopt motor lead screw linear drive mechanism, the drive pressure seat pushes down hammer ball mould, reaches the effect of ball hammer side, its stable in structure, convenient operation, the noise is little. The hammer bead die is simple in structural design, high in precision of a round bead hammer square and controllable in size of the hammer square. Compared with the traditional equipment, the equipment is lighter, saves more space, saves cost and greatly improves the production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the square hammering mechanism of the present invention;

FIG. 2 is a schematic structural view of the hammering mechanism of the present invention without a protection cover;

FIG. 3 is a schematic structural view of the hammer bead mold of the present invention;

FIG. 4 is an exploded view of the hammer bead mold structure of the present invention;

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Referring to fig. 1 and 2, the high-precision square hammering mechanism provided by this embodiment includes a frame 1, a ball hammering die 2 for hammering a ball into a square shape is disposed at the bottom of the frame 1, and a pressure seat 3 for pressing the ball hammering die 2 in a vertical direction, where the pressure seat 3 is mounted at a driving end of a linear driving mechanism, and the linear driving mechanism is mounted on the frame 1; it should be noted that the linear driving mechanism includes a driving motor 41, a driving end of the driving motor 41 is connected to a speed reducing motor 42, a driving end of the speed reducing motor 42 is connected to a ball screw 43 along a vertical direction, a movable nut 44 is sleeved on the ball screw 43, and the pressure base 3 is mounted on the movable nut 44. This embodiment adopts motor lead screw linear drive mechanism, and drive pressure seat 3 pushes down hammer ball mould 2, reaches the effect of ball hammer side, its stable in structure, convenient operation, and the noise is little. Compared with the traditional equipment, the equipment is lighter, saves more space, saves cost and greatly improves the production efficiency.

Furthermore, two guide plates 5 are symmetrically arranged on two sides of the pressure seat 3, and the guide plates 5 are installed on the rack 1. The stability that pressure seat 3 reciprocated is guaranteed to guarantee to give the stable pressure of ball. Still add a protective cover 6 on the frame 1, protective cover 6 covers and is located linear drive mechanism. The protective cover 6 effectively prevents external dust and impurities from entering the linear driving mechanism, so that the impurities in the ball screw 43 are excessive, and the moving stability of the movable nut 44 is influenced.

Further, referring to fig. 3 and 4, the hammer bead mold 2 includes an upper mold core 21 and a lower mold core 22 that are movably butted in a vertical direction, the upper mold core 21 corresponds to the pressure seat 3, a plurality of sets of first spring mounting holes 211 corresponding to each other are formed in a butting surface of the upper mold core 21 and the lower mold core 22, a first spring 212 is installed in any one set of the first spring mounting holes 211, and two ends of the first spring 212 are respectively butted against the first spring mounting holes 211 of the upper mold core 21 and the lower mold core 22; the butting surfaces of the upper mold core 21 and the lower mold core 22 are respectively provided with a 45-degree rectangular open slot 213 corresponding to each other, and the two 45-degree rectangular open slots 213 are butted with each other to form a rectangular cavity; a first pressing block 214 and a second pressing block 215 are installed in any 45-degree rectangular slot 213, a 45-degree sliding slot 216 is formed between the first pressing block 214 and the first pressing block 214, a third pressing block 217 is installed in the 45-degree sliding slot 216 in a sliding mode, and a square slot 218 used for hammering the round ball is formed between the two second pressing blocks 215 and the two third pressing blocks 217. A plurality of groups of second spring mounting holes 219 corresponding to each other are formed in the bottom of the 45-degree sliding groove 216 and the third pressing block 217, a second spring 2110 is mounted in any one group of the second spring mounting holes 219, and two ends of the second spring 2110 are respectively abutted to the 45-degree sliding groove 216 and the second spring mounting holes 219 of the third pressing block 217.

It should be noted that before the ball is hammered, the balls are strung on the punching pins of the die according to the number of 8-12, and the punching pins threaded with the balls are inserted into the square grooves 218. The driving motor 41 is started, the driving motor 41 rotates through the speed reducing motor 42 to drive the ball screw 43 to rotate, and the movable nut 44 on the ball screw 43 can move up and down along the ball screw 43. The movable nut 44 drives the pressure seat 3 connected with the movable nut to move up and down, so that the hammer bead die 2 is pressed downwards. The ball can receive the pressure of four sides and become square pearl in square groove 218 of hammer pearl mould 2, through linear drive mechanism upper and lower repetitive motion, pushes down hammer pearl mould 2 and makes the ball hammer square become the required size. The hammer side mechanism of this embodiment once can realize the hammer side operation of a plurality of balls, reduces production time, has improved production efficiency. Simple structure, spare part is few, has reduced manufacturing cost. The equipment volume is small and exquisite, reduces the occupation of land space, improves the workshop utilization ratio.

Specifically, when the pressure seat 3 presses the hammer bead mold 2 downward, the upper mold core 21 is pressed by the pressure seat 3 and is lowered toward the lower mold core 22, and the first spring 212 between the upper mold core 21 and the lower mold core 22 is compressed. At this time, the first presser 214, the second presser 215, and the third presser 217 in the 45-degree rectangular slot 213 in the upper die core 21 are lowered as a whole with the upper die core 21, and at the same time, the third presser 217 on the upper die core 21 and the lower die core 22 is forced to slide toward the bottom of the 45-degree slide groove 216, and the second spring 2110 is compressed. The two groups of first pressing blocks 214, second pressing blocks 215 and third pressing blocks 217 slide relatively under the action of the downward pressure of the upper mold core 21, so that the downward pressure is decomposed into pressure along the four side surfaces of the square groove 218 and applied to the round beads, and the round beads are extruded into square beads. It should be noted that two ends of the two 45-degree rectangular slots 213 are respectively provided with a mold core guide plate 2117, and the mold core guide plate 2117 is fixedly mounted on the lower mold core 22, so as to guide the lifting of the upper mold core 21 and prevent the press block from falling out of the 45-degree rectangular slot 213.

Furthermore, the pressing mode of the hammer side mechanism is a superposition type movement pressing mode. The number of pushing down was 7 times, and the number of lifting up was also 7 times. Prevent because once pushing down in place, lead to the ball because ductility problem, the face of being pressed into the square bead can be sunken or uneven, influences pleasing to the eye. Specifically, the distance of the first descent of the hammer mechanism is set to 0.05 mm, and then the first descent is raised by 0.1 mm; then the height is reduced by 0.15 mm, and then the height is increased by 0.1 mm; then it is lowered by 0.15, then raised by 0.1, and repeated 7 times, and the apparatus is automatically returned to the original point and stopped. By pressing down in this way, the surface of the hammered side is flat and has no recess, and the production requirement is met.

Further, a supporting rod 2111 penetrates through the first spring 212, mounting holes 2112 corresponding to the supporting rod 2111 are formed in the upper mold core 21 and the lower mold core 22, one end of the supporting rod 2111 is fixedly mounted in the mounting hole 2112 of the upper mold core 21, and the other end of the supporting rod 2111 penetrates through the mounting hole 2112 of the lower mold core 22. The support bar 2111 may serve as a guide and support for the first spring 212.

Furthermore, a plurality of groups of guide holes 2113 are formed in the abutting surface of the upper mold core 21 and the lower mold core 22, a guide sleeve 2114 is arranged in any one group of the guide holes 2113, a guide rod 2115 penetrates through the guide sleeve 2114, so that the upper mold core 21 and the lower mold core 22 are always abutted in the vertical direction, and meanwhile, the motion stability of the whole structure is ensured.

Further, the first pressing block 214 is installed on the side surfaces of the 45-degree rectangular slots 213 of the upper mold core 21 and the lower mold core 22 through locking screws, screw through holes 2116 communicated with the side surfaces of the 45-degree rectangular slots 213 are respectively formed in the upper mold core 21 and the lower mold core 22, and the screws penetrate through the screw through holes 2116 to be locked with the first pressing block 214. The installation position of the first pressing block 214 can be adjusted, so that the width of the 45-degree sliding groove 216 is adjusted, the third pressing block 217 of different specifications is replaced according to the width of the 45-degree sliding groove 216, the size of the square groove 218 can be changed, and the hammer square of different balls is adapted.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A high-precision square hammering mechanism is characterized by comprising a rack, wherein a ball hammering die for hammering a ball into a square shape is arranged at the bottom of the rack, the high-precision square hammering mechanism also comprises a pressure seat for extruding the ball hammering die along the vertical direction, the pressure seat is arranged at the driving end of a linear driving mechanism, and the linear driving mechanism is arranged on the rack;

2. The high-precision square hammering mechanism according to claim 1, wherein a plurality of sets of second spring mounting holes corresponding to each other are formed in the bottom of the 45-degree sliding chute and the third pressing block, a second spring is mounted in any one set of the second spring mounting holes, and two ends of the second spring are respectively abutted against the second spring mounting holes of the 45-degree sliding chute and the third pressing block.

3. The high-precision square hammering mechanism according to claim 1, wherein a supporting rod is inserted into the first spring, the upper mold core and the lower mold core are respectively provided with a mounting hole corresponding to the supporting rod, one end of the supporting rod is fixedly mounted in the mounting hole of the upper mold core, and the other end of the supporting rod is movably inserted in the mounting hole of the lower mold core.

4. The high-precision squaring mechanism according to claim 1, wherein a plurality of groups of guide holes are formed in the abutting surface of the upper mold core and the lower mold core, a guide sleeve is arranged in any group of the guide holes, and a guide rod is arranged in the guide sleeve in a penetrating manner.

5. The high-precision square hammering mechanism according to claim 1, wherein the first pressing block lock screw is installed on the 45-degree rectangular slotted side surfaces of the upper mold core and the lower mold core, screw through holes communicated with the 45-degree rectangular slotted side surfaces are respectively formed on the upper mold core and the lower mold core, and the screw passes through the screw through hole and is locked with the first pressing block.

6. The high-precision square hammer mechanism according to claim 1, wherein the linear driving mechanism comprises a driving motor, the driving end of the driving motor is connected with a speed reducing motor, the driving end of the speed reducing motor is connected with a ball screw along the vertical direction, the ball screw is sleeved with a movable nut, and the pressure seat is mounted on the movable nut.

7. The high-precision square hammer mechanism according to claim 1, wherein two guide plates are symmetrically arranged on two sides of the pressure seat, and the guide plates are mounted on the machine frame.

8. The high accuracy squaring mechanism of claim 1 further including a protective cap attached to the frame, the protective cap being attached to the linear drive mechanism.