CN106966354B - Automatic pressfitting machine of watchband - Google Patents

Abstract

An automatic pressing machine for watchbands comprises a bottom leather supply device arranged on a bottom leather supply station, an inner core pressing device arranged on an inner core pressing station, a surface leather pressing device arranged on a surface leather pressing station, a pin hole processing device arranged on a pin hole processing station and a finished product output device arranged on a finished product output station; the bottom leather supply device, the inner core pressing device, the surface leather pressing device and the pin hole processing device are arranged in sequence along the edge of the rotary disc; the edge of carousel is equipped with a plurality of watchband tools. According to the invention, through automatic feeding of watchband materials, automatic forming of watchband pin holes and automatic discharging of finished watchbands, full automation of watchband lamination is realized, and the production efficiency is improved.

Description

Automatic pressfitting machine of watchband

Technical Field

The invention relates to mechanical production equipment, in particular to watchband pressing equipment.

Background

The watchband, specifically, leather watchband, three layer construction is watchband epidermis, watchband inner core, watchband sole leather respectively. After the three layers are pressed by an instrument, the end part of the three layers is bent to form a pin hole, a pin is inserted into the pin hole, and the pin is used for connecting the watchband and the watch.

Disclosure of Invention

The technical problems solved by the invention are as follows: how to carry out automatic pressfitting to three layer construction's watchband.

In order to solve the technical problems, the invention provides the following technical scheme: an automatic pressing machine for watchbands comprises a bottom leather supply device arranged on a bottom leather supply station, an inner core pressing device arranged on an inner core pressing station, a surface leather pressing device arranged on a surface leather pressing station, a pin hole processing device arranged on a pin hole processing station and a finished product output device arranged on a finished product output station; the bottom leather supply device, the inner core pressing device, the surface leather pressing device and the pin hole processing device are arranged in sequence along the edge of the rotary disc; the edge of the rotary table is provided with a plurality of watchband jigs; the pin hole processing device comprises a laterally moving contact pin, a pin hole forming assembly rotating around the contact pin, and a pin hole shaping pressing assembly located beside the pin hole forming assembly.

According to the technical scheme, the rotary table rotates, the watchband jig on the rotary table runs to the bottom leather supply station, the bottom leather supply device provides watchband bottom leather for the watchband jig, and the watchband bottom leather is flatly laid on the watchband jig; then, the turntable rotates, the watchband jig with the watchband bottom leather paved thereon moves to an inner core pressing station, the inner core pressing device provides watchband inner cores for the watchband jig, the watchband inner cores are paved on the watchband bottom leather, and the inner core pressing device presses the watchband inner cores on the watchband bottom leather; then, the turntable rotates, the watchband jig which is tiled with the watchband bottom leather and the watchband inner core moves to a leather skin pressing station, the leather skin pressing device provides watchband leather skins for the watchband jig, the watchband leather skins are tiled on the watchband inner core, and the leather skin pressing device presses the watchband leather skins on the watchband inner core; then, the turntable rotates, the watchband jig tiled with the watchband skin runs to a pin hole processing station, the contact pin transversely moves to the position above the end part of the watchband jig and is positioned above the watchband skin, the left side of the contact pin is the skin, the inner core and the bottom skin of the end part of the watchband which is not pressed, the right side of the contact pin is the skin, the inner core and the bottom skin of the main body part of the watchband which is already pressed, and the end part of the watchband which is not pressed is positioned on the pin hole forming assembly; then, the pin hole forming assembly rotates for one hundred eighty degrees around the contact pin, so that the end part of the watchband which is not pressed rotates for one hundred eighty degrees around the contact pin; after the pin hole forming assembly preliminarily pre-presses the end part of the watchband which is not pressed, the pin hole forming assembly resets, and the pin hole shaping pressing assembly presses the end part of the watchband and the main body part of the watchband which are overlapped together; and then, the rotating disc rotates, the press-fit watchband moves to a finished product output station, and the finished product output device outputs the watchband on the watchband jig to an automatic watchband press-fit machine.

The bottom leather feeding device comprises a bottom leather lifting assembly, a bottom leather positioning assembly positioned beside the bottom leather lifting assembly, and a bottom leather conveying assembly positioned above the bottom leather lifting assembly and the bottom leather positioning assembly; the bottom leather lifting assembly comprises a bottom leather guide frame which is through up and down, a bottom leather lifting piece positioned at the bottom of the bottom leather guide frame, and a first screw rod mechanism for driving the bottom leather lifting piece to lift; the bottom leather conveying assembly comprises a first base connected with a first transverse cylinder, a first lifting cylinder installed on the first base, a first bottom leather conveying block and a second bottom leather conveying block installed on a piston rod of the first lifting cylinder, and bottom leather adsorption devices are arranged at the bottom of the first bottom leather conveying block and the bottom of the second bottom leather conveying block.

According to the explanation of the bottom leather supply device, a stack of watchband bottom leather is placed in the bottom leather guide frame, the first screw rod mechanism is connected with the servo motor, and under the control of the servo motor, the first screw rod mechanism drives the bottom leather lifting piece to ascend by the thickness of one layer of watchband bottom leather each time until the first bottom leather conveying block conveys the watchband bottom leather at the bottommost in the stack of watchband bottom leather to the bottom leather positioning assembly.

According to the description of the bottom leather supply device, the first transverse cylinder drives the first bottom leather conveying block and the second bottom leather conveying block to move transversely, and the first lifting cylinder drives the first bottom leather conveying block and the second bottom leather conveying block to lift; when the first bottom leather conveying block adsorbs the bottom leather of the watchband in the bottom leather lifting assembly, the second bottom leather conveying block adsorbs the bottom leather of the watchband in the bottom leather positioning assembly, when the first bottom leather conveying block moves the bottom leather of the watchband to the bottom leather positioning assembly, the second bottom leather conveying block moves the bottom leather of the watchband in the bottom leather positioning assembly to the watchband jig.

According to the above description of the bottom leather supply device, the bottom leather adsorption device can be a vacuum suction cup or a vacuum suction hole, and the bottom leather of the watch band is adsorbed by using the air pressure difference.

The bottom leather positioning assembly comprises a positioning lifting cylinder, a left L-shaped moving part and a right L-shaped moving part, the middle parts of the left L-shaped moving part and the right L-shaped moving part are hinged to the cylinder body of the positioning lifting cylinder, the left L-shaped moving part and the right L-shaped moving part are arranged in bilateral symmetry, the right end of the left L-shaped moving part is hinged to a piston of the positioning lifting cylinder, and the left end of the right L-shaped moving part is hinged to the piston of the positioning lifting cylinder; the left end of the left L-shaped moving part is hinged with the middle part of the left L-shaped sliding block, the right end of the right L-shaped moving part is hinged with the middle part of the right L-shaped sliding block, the left L-shaped sliding block and the right L-shaped sliding block are arranged in bilateral symmetry, the left L-shaped sliding block and the right L-shaped sliding block are both provided with strip-shaped sliding holes, the strip-shaped sliding hole in the left L-shaped sliding block and the strip-shaped sliding hole in the right L-shaped sliding block are overlapped front and back, a sliding rod is movably inserted in the strip-shaped sliding hole in the left L-shaped sliding block and the strip-shaped sliding hole in the right L-shaped sliding block, and the sliding rod is fixed on a cylinder body of the positioning lifting cylinder; the left side of the left L-shaped sliding block is connected with a left side positioning base, the right side of the right L-shaped sliding block is connected with a right side positioning base, the left side positioning base and the right side positioning base are arranged in bilateral symmetry, the left side positioning base is provided with a left side V-shaped opening, the right side positioning base is provided with a right side V-shaped opening, the left side V-shaped opening and the right side V-shaped opening are arranged in opposite directions, the left side positioning base and the right side positioning base are connected through a connecting rod, the left end of the connecting rod is movably inserted into the side wall of the left side V-shaped opening, and the right end of the connecting rod is movably inserted into the side wall of the right side V-shaped opening; a front positioning base and a rear positioning base are arranged between the left positioning base and the right positioning base, a first wedge-shaped part is arranged on the left side of the front positioning base, a second wedge-shaped part is arranged on the right side of the front positioning base, a third wedge-shaped part is arranged on the left side of the rear positioning base, a fourth wedge-shaped part is arranged on the right side of the rear positioning base, the front positioning base and the rear positioning base are symmetrically arranged in the front and back direction, the first wedge-shaped part and the third wedge-shaped part are matched in the left V-shaped opening, and the second wedge-shaped part and the fourth wedge-shaped part are matched in the right V-shaped opening; the front positioning base and the rear positioning base are both provided with sliding through holes, the cross sections of the sliding through holes are in a strip shape, and the connecting rods are inserted into the sliding through holes; the top of the bottom leather positioning assembly is provided with a positioning platform, the left side of the positioning platform is provided with a left sliding positioning block, the right side of the positioning platform is provided with a right sliding positioning block, the front side of the positioning platform is provided with a front sliding positioning block, and the rear side of the positioning platform is provided with a rear sliding positioning block; left side slide locating piece pass through left side location connecting plate with left side location pedestal connection, right side slide locating piece pass through right side location connecting plate with right side location pedestal connection, preceding side slide locating piece pass through front side location connecting plate with preceding location pedestal connection, the back side slide locating piece pass through back side location connecting plate with back location pedestal connection.

According to the above description of the bottom leather positioning component, the working principle of the bottom leather positioning component is as follows: the positioning lifting cylinder acts, a piston of the positioning lifting cylinder moves downwards, the left L-shaped movable piece rotates around the middle of the positioning lifting cylinder, the right L-shaped movable piece rotates around the middle of the positioning lifting cylinder, the left L-shaped movable piece and the right L-shaped movable piece rotate oppositely, the left L-shaped movable piece drives the left L-shaped sliding block to move rightwards, the right L-shaped movable piece drives the right L-shaped sliding block to move leftwards, the left L-shaped sliding block drives the left positioning base to move rightwards, the left positioning base drives the left sliding positioning block to move rightwards along the positioning platform, the right positioning base drives the right sliding positioning block to move leftwards along the positioning platform, synchronously, the left V-shaped notch and the right V-shaped notch which move oppositely drive the front positioning base and the rear positioning base to move oppositely, and the front positioning base and the rear positioning base drive the front sliding positioning block and the rear sliding positioning block to move oppositely along the positioning platform; above-mentioned, front side slide locating piece, back slide locating piece, left side slide locating piece, right side slide locating piece are fixed a position the watchband base leather of placing on the locating platform, make it be positioned in the region that front side slide locating piece, back slide locating piece, left side slide locating piece, right side slide locating piece enclose.

The inner core pressing device comprises an inner core supply assembly, an inner core positioning assembly and an inner core conveying pressing assembly, wherein the inner core positioning assembly is positioned beside the inner core supply assembly, and the inner core conveying pressing assembly is positioned above the inner core supply assembly and the inner core positioning assembly; the inner core supply assembly comprises a first arc strip and a second arc strip which are arranged on an inner core supply platform, a vertical plate arranged on the inner core supply platform, and an inner core pressing piece movably arranged between the first arc strip and the second arc strip, wherein the circle center of the first arc strip is superposed with the circle center of the second arc strip, one side of the first arc strip and one side of the second arc strip are tightly attached to the vertical plate, a push opening is formed in the bottom of the vertical plate, and the push opening is positioned between the first arc strip and the second arc strip; an inner core transverse pushing cylinder is installed on the inner core supply platform, a push plate is arranged on a piston rod of the inner core transverse pushing cylinder, and the push plate penetrates through the push opening under the driving of the inner core transverse pushing cylinder; the inner core conveying pressing assembly comprises a second base connected with a second transverse cylinder, a second lifting cylinder installed on the second base, a first inner core conveying pressing block and a second inner core conveying pressing block installed on a piston rod of the second lifting cylinder, and inner core adsorption devices are arranged at the bottom of the first inner core conveying pressing block and the bottom of the second inner core conveying pressing block.

According to the description of the inner core pressing device, a stack of watchband inner cores are placed between the first arc-shaped strip and the second arc-shaped strip and limited by the vertical plate, the inner core pressing piece is pressed on the stack of watchband inner cores, as a preferred selection, the inner core pressing piece can be in a top sealing frame shape, the stack of watchband inner cores are positioned in the frame of the inner core pressing piece, the distance between the bottom surface of the inner core pressing piece and the inner core supply platform is the distance of the thickness of one layer of watchband inner cores, and the watchband inner cores at the bottommost part of the stack of watchband inner cores are positioned on the inner core supply platform; thereafter, the push plate pushes the bottom-most band core out of the stack of band cores. And then, the first inner core conveying and pressing block absorbs the pushed watchband inner core from the inner core supply platform and conveys the watchband inner core to the inner core positioning assembly.

According to the description of the inner core pressing device, the second transverse cylinder drives the first inner core conveying pressing block and the second inner core conveying pressing block to move transversely, and the second lifting cylinder drives the first inner core conveying pressing block and the second inner core conveying pressing block to lift; when the first inner core conveys the pressing block to adsorb the inner core to supply the watchband inner core on the platform, the second inner core conveys the pressing block to adsorb the watchband inner core in the inner core positioning assembly, and when the first inner core conveys the pressing block to move the watchband inner core in the inner core positioning assembly, the second inner core conveys the pressing block to move the watchband inner core in the inner core positioning assembly to the watchband jig.

According to the description of the inner core pressing device, the structure and the working principle of the inner core positioning component are the same as those of the bottom leather positioning component.

According to the description of the inner core pressing device, the inner core of the watchband is coated with glue which is fixed on the surface of the inner core of the watchband; the second inner core conveying pressing block is connected with the electric heating device, when the second inner core conveying pressing block presses the inner core and the bottom skin of the watchband, the glue is dissolved, and the inner core and the bottom skin of the watchband are attached together.

The epidermis pressing device comprises an epidermis lifting assembly, an epidermis positioning assembly and an epidermis conveying and pressing assembly, wherein the epidermis positioning assembly is positioned beside the epidermis lifting assembly; the surface conveying pressing assembly comprises a third base connected with a third transverse cylinder, a third lifting cylinder installed on the third base, a first surface conveying pressing block and a second surface conveying pressing block installed on a piston rod of the third lifting cylinder, and surface adsorption devices are arranged at the bottom of the first surface conveying pressing block and the bottom of the second surface conveying pressing block.

According to the above description of the skin pressing device, the structure and operation principle of the skin lifting assembly are the same as those of the bottom skin lifting assembly.

According to the description of the skin pressing device, the structure and the working principle of the skin positioning component are the same as those of the bottom skin positioning component.

According to the explanation of the skin pressing device, the structure and the working principle of the third transverse cylinder, the third lifting cylinder, the first skin conveying pressing block and the second skin conveying pressing block are the same as those of the second transverse cylinder, the second lifting cylinder, the first inner core conveying pressing block and the second inner core conveying pressing block. The second surface skin conveying pressing block is connected with the electric heating device, when the second surface skin conveying pressing block presses the inner core and the surface skin of the watchband, glue smeared on the surface skin of the watchband is dissolved, and the inner core and the surface skin of the watchband are attached together.

The pin hole forming assembly comprises a rotary cylinder, a contact pin connecting rod arranged on a piston of the rotary cylinder, a clamping jaw cylinder arranged on the contact pin connecting rod, and a pin hole pressing block arranged on a clamping jaw of the clamping jaw cylinder; the pin is arranged on the pin connecting rod, and the pin hole pressing block is positioned beside the pin; the pin hole shaping pressing assembly comprises a fourth base connected with a fourth transverse cylinder, a fourth lifting cylinder installed on the fourth base, and a pin hole shaping pressing block installed on a piston rod of the fourth lifting cylinder.

According to the above description of the pin hole forming assembly, the working principle of the pin hole forming assembly is as follows: when the watchband inner core is attached and the watchband surface skin is attached, the end parts of the watchband bottom skin, the watchband inner core and the watchband surface skin protrude out of the end part of the watchband jig, namely, the end parts of the watchband bottom skin, the watchband inner core and the watchband surface skin are not pressed together; when the watchband jig is located at the pin hole machining station, the contact pin moves to the position above the watchband under the driving of the fourth transverse air cylinder, specifically, the contact pin is located right above the end portion of the watchband jig, and synchronously, the pin hole pressing block is located below the end portion of the watchband; then, the clamping jaw cylinder acts to drive the pin hole pressing block to ascend to support the end part of the watchband, and the pin hole pressing block is flush with the watchband jig; then, the rotating cylinder acts, the pin hole pressing block rotates around the contact pin, the end part of the watchband is turned up and then pressed on the main body part of the watchband, and the end part and the main body part of the watchband are pre-pressed; and then, the pin hole pressing block is reset, and the pin hole shaping pressing block is driven by a fourth lifting cylinder to press and combine the turned watchband end part and the watchband main body part.

According to the specification of the pin hole forming assembly, the pin hole pressing block and the pin hole shaping pressing block are connected with an electric heating device.

Alternatively, the pin hole forming component can also be designed as follows: the pin hole forming assembly comprises a pin hole forming driving assembly and a pin hole forming executing assembly; the pin hole forming driving assembly comprises a telescopic cylinder hinged on the fixed disc, a rotary connecting rod hinged with a piston rod of the telescopic cylinder, a rotary shaft connected with the rotary connecting rod and a stirring piece connected with the rotary shaft, wherein the rotary shaft is pivoted on a rotary shaft base which is arranged on the fixed disc; the pin hole forming execution assembly is arranged on the watchband jig and comprises a rack and a gear, wherein the rack is arranged on the pin hole forming base in a sliding mode, the gear is meshed with the rack, a gear shaft of the gear is pivoted on the forming base, the gear shaft of the gear is connected with a pin hole pressing block, and the pin hole pressing block is located beside the watchband jig; the end part of the rack is provided with a roller which is contacted with the poking piece.

According to the design of the pin hole forming assembly, when the watchband jig runs to a pin hole machining station, the poking piece is in contact with the roller, and the contact pin runs above the watchband, specifically, the contact pin is positioned right above the end part of the watchband jig; then, the telescopic cylinder acts, the rotating connecting rod drives the rotating shaft to rotate, the rotating shaft drives the stirring piece to rotate, the stirring piece drives the rack to move linearly, the rack drives the gear to rotate, the pin hole pressing block is driven by the gear to rotate, the pin hole pressing block rotates by one hundred eighty degrees around the contact pin, the end part of the watchband on the pin hole pressing block is turned over, and the end part of the watchband is attached to the main body part of the watchband; and then, the pin hole pressing block is reset, and the pin hole shaping pressing block is driven by a fourth lifting cylinder to press and combine the turned watchband end part and the watchband main body part.

According to the design of the pin hole forming assembly, each watchband jig on the rotary table is provided with the pin hole forming assembly, and when each watchband jig runs to the pin hole machining station, the poking piece is in contact with the roller.

According to the invention, the full automation of the watchband attaching is realized through the automatic feeding of the watchband bottom skin, the watchband inner core and the watchband surface skin, the automatic forming of the watchband pin holes and the automatic discharging of the finished watchband, and the production efficiency is improved.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of an automatic pressing machine for watchbands according to the present invention;

fig. 2 is a schematic structural view of the rack 91 in fig. 1 after being hidden;

fig. 3 is a schematic structural view of the automatic wristband stitching machine shown in fig. 2, after the hidden frame 91 is viewed from the rear;

FIG. 4 is a schematic view of the watch band automatic stitching machine of FIG. 3;

FIG. 5 is a schematic view of the bottom leather conveying assembly 13 in FIG. 3;

FIG. 6 is a schematic view of the combination of the sole lifting assembly 11 and the sole positioning assembly 12 of FIG. 3;

FIG. 7 is a schematic view of another perspective of the combined structure of the sole lifting assembly 11 and the sole positioning assembly 12 of FIG. 6;

FIG. 8 is a schematic view of the bottom positioning assembly 12 of FIG. 7 with the supporting cover 129 hidden;

fig. 9 is a schematic structural view of the cylinder block of the positioning lifting cylinder 121 in fig. 8 after being hidden;

fig. 10 is a schematic view of the combination structure of the left positioning base 126, the right positioning base, the front positioning base 124 and the rear positioning base in fig. 9;

FIG. 11 is an exploded view of FIG. 10;

fig. 12 is a schematic view showing a combined structure of the core feed assembly 21 and the core positioning assembly 22 of fig. 3;

fig. 13 is a schematic view from another perspective of the combined structure of the core feed assembly 21 and the core positioning assembly 22 of fig. 12;

fig. 14 is a schematic structural view of the pin hole machining apparatus 40 in fig. 4;

fig. 15 is a schematic structural view of the pin hole machining device 40 shown in fig. 14 as viewed from below;

FIG. 16 is an enlarged view taken at A in FIG. 14;

FIG. 17 is an enlarged view at B of FIG. 15;

FIG. 18 shows an automatic watchband laminating machine equipped with a pin-hole forming drive unit 80;

FIG. 19 is a schematic structural view of the pin hole forming drive assembly 80 of FIG. 18;

FIG. 20 is a schematic illustration of the pin bore forming actuator assembly 81 configured to cooperate with the pin bore forming drive assembly 80 of FIG. 19;

fig. 21 is a schematic structural view of the pin hole forming performing assembly 81 of fig. 20 from another perspective.

The symbols in the drawings illustrate that:

10. a bottom leather supply device; 11. a bottom skin lifting assembly; 112. a bottom leather guide frame; 113. a sole lifting member; 114. a first screw mechanism; 12. a bottom leather positioning component; 121. positioning a lifting cylinder; 121-1, positioning a piston of a lifting cylinder; 122. a left L-shaped movable part; 123. a left L-shaped slider; 124. a front positioning base; 124-1, a first wedge; 124-2, a second wedge; 124-3, a sliding through hole; 125. a strip-shaped slide hole; 126. a left positioning base; 126-1, a left V-shaped notch; 127. a connecting rod; 128. positioning the platform; 128-1, a left slide positioning block; 128-2, a right slide locating block; 128-3, a front slide positioning block; 128-4, a rear slide positioning block; 129. a support cover plate; 13. a bottom skin transport assembly; 131. a first transverse cylinder; 132. a first base; 133. a first lifting cylinder; 134. a first bottom leather conveying block; 135. a second bottom leather conveying block;

20. an inner core pressing device; 21. a core supply assembly; 211. an inner core supply platform; 212. a first arcuate strip; 213. a second arcuate strip; 214. a vertical plate; 215. an inner core pressing piece; 217. the inner core transversely pushes the cylinder; 218. pushing the plate; 22. an inner core positioning assembly; 23. conveying the inner core to press the assembly;

30. a skin pressing device; 31. a skin lifting assembly; 32. a skin positioning assembly; 33. conveying and pressing components for the epidermis;

40. a pin hole machining device; 41. inserting a pin; 42. a pin hole forming assembly; 421. a rotating cylinder; 422. a pin connecting rod; 423. a clamping jaw cylinder; 424. a pin hole pressing block; 43. a pin hole shaping pressing component; 431. a fourth transverse cylinder; 432. a fourth base; 433. a fourth lifting cylinder; 434. shaping and pressing the pin holes;

50. a finished product output device; 51. a finished product output assembly; 52. tilting the output plate;

60. a turntable; 61. rotating the central shaft; 62. indexing the instrument;

70. a watchband fixture;

80. a pin hole forming drive assembly; 801. a telescopic cylinder; 802. rotating the connecting rod; 803. a toggle piece; 804. a rotating shaft base; 81. a pin hole forming execution assembly; 811. a pin hole forming base; 812. a rack; 813. a gear; 814. a roller;

90. fixing the disc; 91. a frame; 92. a work table; 93. an electric heating device.

Detailed Description

Referring to fig. 1 to 4, an automatic pressing machine for a watch band includes a bottom case supplying device 10 disposed at a bottom case supplying station, a core pressing device 20 disposed at a core pressing station, a skin pressing device 30 disposed at a skin pressing station, a pin hole processing device 40 disposed at a pin hole processing station, and a finished product outputting device 50 disposed at a finished product outputting station. The bottom leather supply device, the inner core pressing device, the surface leather pressing device and the pin hole processing device are arranged in sequence along the edge of the rotating disc 60. The edge of the turntable is provided with a plurality of watchband jigs 70.

With reference to fig. 5 to 7, the bottom leather feeding device 10 comprises a bottom leather lifting assembly 11, a bottom leather positioning assembly 12 located beside the bottom leather lifting assembly, and a bottom leather conveying assembly 13 located above the bottom leather lifting assembly and the bottom leather positioning assembly.

Regarding the bottom leather feeding device 10, the bottom leather lifting assembly comprises a bottom leather guide frame 112 which is through up and down, a bottom leather lifting piece 113 which is arranged at the bottom of the bottom leather guide frame, and a first screw rod mechanism 114 which is used for driving the bottom leather lifting piece to lift.

Regarding the bottom leather feeding device 10, the bottom leather conveying assembly comprises a first base 132 connected with a first transverse air cylinder 131, a first lifting air cylinder 133 installed on the first base, a first bottom leather conveying block 134 and a second bottom leather conveying block 135 installed on a piston rod of the first lifting air cylinder, and bottom leather adsorption devices are arranged at the bottom of the first bottom leather conveying block and the bottom of the second bottom leather conveying block.

Regarding the bottom leather feeding device 10, with reference to fig. 8 to 11, the bottom leather positioning assembly 12 includes a positioning lifting cylinder 121, a left L-shaped moving member 122 and a right L-shaped moving member, the middle portions of which are hinged to the cylinder body of the positioning lifting cylinder, the left L-shaped moving member and the right L-shaped moving member are symmetrically arranged in the left-right direction, the right end of the left L-shaped moving member is hinged to the piston 121-1 of the positioning lifting cylinder, and the left end of the right L-shaped moving member is hinged to the piston of the positioning lifting cylinder. The left end of left side L shape moving part is articulated with the middle part of left side L shape slider 123, the right-hand member of right side L shape moving part is articulated with the middle part of right side L shape slider, left side L shape slider and right side L shape slider bilateral symmetry set up, bar slide opening 125 is all seted up to left side L shape slider and right side L shape slider, the bar slide opening on the L shape slider of left side and the bar slide opening on the L shape slider of right side overlap from beginning to end, the bar slide opening on the L shape slider of left side and the bar slide opening activity on the L shape slider of right side are inserted and are equipped with the slide bar, the slide bar is fixed on the cylinder block of location lift cylinder. The left side of the left L-shaped sliding block is connected with a left side positioning base 126, the right side of the right L-shaped sliding block is connected with a right side positioning base, the left side positioning base and the right side positioning base are arranged in a bilateral symmetry mode, a left side V-shaped opening 126-1 is formed in the left side positioning base, a right side V-shaped opening is formed in the right side positioning base, the left side V-shaped opening and the right side V-shaped opening are arranged in opposite directions, the left side positioning base and the right side positioning base are connected through a connecting rod 127, the left end of the connecting rod is movably inserted into the side wall of the left side V-shaped opening, and the right end of the connecting rod is movably inserted into the side wall of the right side V-shaped opening. A front positioning base 124 and a rear positioning base are arranged between the left positioning base and the right positioning base, a first wedge-shaped part 124-1 is arranged on the left side of the front positioning base, a second wedge-shaped part 124-2 is arranged on the right side of the front positioning base, a third wedge-shaped part is arranged on the left side of the rear positioning base, a fourth wedge-shaped part is arranged on the right side of the rear positioning base, the front positioning base and the rear positioning base are symmetrically arranged in the front-back direction, the first wedge-shaped part and the third wedge-shaped part are matched in the left V-shaped opening, and the second wedge-shaped part and the fourth wedge-shaped part are matched in the right V-shaped opening; the front positioning base and the rear positioning base are both provided with sliding through holes 124-3, the cross sections of the sliding through holes are in strip shapes, and the connecting rods are inserted into the sliding through holes. The top of the bottom leather positioning component is provided with a positioning platform 128, the left side of the positioning platform is provided with a left sliding positioning block 128-1, the right side of the positioning platform is provided with a right sliding positioning block 128-2, the front side of the positioning platform is provided with a front sliding positioning block 128-3, and the rear side of the positioning platform is provided with a rear sliding positioning block 128-4; left side slide locating piece pass through left side location connecting plate with left side location pedestal connection, right side slide locating piece pass through right side location connecting plate with right side location pedestal connection, the front side slide locating piece pass through front side location connecting plate with front positioning pedestal connection, the rear side slide locating piece pass through rear side location connecting plate with rear positioning pedestal connection.

Referring to fig. 12 and 13, the core stitching device 20 includes a core feeding assembly 21, a core positioning assembly 22 beside the core feeding assembly, and a core conveying stitching assembly 23 above the core feeding assembly and the core positioning assembly.

Regarding the inner core pressing device 20, the inner core supply assembly comprises a first arc-shaped strip 212 and a second arc-shaped strip 213 which are arranged on an inner core supply platform 211, a vertical plate 214 which is arranged on the inner core supply platform, and an inner core pressing piece 215 which is movably arranged between the first arc-shaped strip and the second arc-shaped strip, wherein the circle center of the first arc-shaped strip coincides with the circle center of the second arc-shaped strip, one side of the first arc-shaped strip and one side of the second arc-shaped strip are tightly attached to the vertical plate, the bottom of the vertical plate is provided with a push opening, and the push opening is positioned between the first arc-shaped strip and the second arc-shaped strip; an inner core transverse pushing cylinder 217 is installed on the inner core supply platform, a push plate 218 is arranged on a piston rod of the inner core transverse pushing cylinder, and the push plate penetrates through the push opening under the driving of the inner core transverse pushing cylinder.

With respect to the core compression assembly 20, the core positioning assembly 22 is identical in structure and principle to the sole positioning assembly 12.

Regarding the inner core pressing device 20, the inner core conveying pressing assembly includes a second base connected to the second transverse cylinder, a second lifting cylinder installed on the second base, a first inner core conveying pressing block and a second inner core conveying pressing block installed on a piston rod of the second lifting cylinder, and inner core adsorption devices are arranged at the bottom of the first inner core conveying pressing block and the bottom of the second inner core conveying pressing block.

Referring to fig. 3, the skin pressing device 30 includes a skin lifting assembly 31, a skin positioning assembly 32 located beside the skin lifting assembly, and a skin conveying pressing assembly 33 located above the skin lifting assembly and the skin positioning assembly.

With respect to the skin compression assembly 30, the skin lift assembly 31 is identical in structure and principle to the bottom skin lift assembly 11.

With respect to the skin laminating device 30, the skin positioning assembly 32 is identical in structure and principle to the bottom skin positioning assembly 12.

Regarding the skin pressing device 30, the skin conveying pressing assembly includes a third base connected to the third transverse cylinder, a third lifting cylinder installed on the third base, a first skin conveying pressing block and a second skin conveying pressing block installed on a piston rod of the third lifting cylinder, and skin adsorption devices are disposed at the bottom of the first skin conveying pressing block and the bottom of the second skin conveying pressing block.

The pin hole processing device 40 comprises a pin 41 which moves transversely, a pin hole forming assembly 42 which rotates around the pin, and a pin hole shaping pressing assembly 43 which is arranged at the side of the pin hole forming assembly.

With respect to the pin hole machining apparatus 40, with reference to fig. 14 to 17, a first design of the pin hole forming assembly 42: including revolving cylinder 421, install contact pin connecting rod 422 on revolving cylinder piston, install clamping jaw cylinder 423 on contact pin connecting rod, install the pinhole briquetting 424 on clamping jaw cylinder clamping jaw. Pin hole processingequipment 40 the contact pin 41 is installed on the contact pin connecting rod, and the pinhole briquetting is located the side of contact pin. The pin hole shaping pressing assembly 43 of the pin hole processing device 40 comprises a fourth base 432 connected with a fourth transverse cylinder 431, a fourth lifting cylinder 433 mounted on the fourth base, and a pin hole shaping pressing block 434 mounted on a piston rod of the fourth lifting cylinder.

With regard to the pin hole machining apparatus 40, with reference to fig. 18 to 21, a second design of the pin hole forming assembly 42: the pin hole forming assembly 42 includes a pin hole forming drive assembly 80 and a pin hole forming actuator assembly 81. The pin hole forming driving assembly comprises a telescopic cylinder 801 hinged on the fixed disc 90, a rotary connecting rod 802 hinged with a piston rod of the telescopic cylinder, a rotary shaft connected with the rotary connecting rod, and a toggle piece 803 connected with the rotary shaft, wherein the rotary shaft is pivoted on a rotary shaft base 804 which is arranged on the fixed disc; the fixed tray is positioned above the turntable 60. The pin hole forming executing assembly 81 is arranged on the watchband jig 70 and comprises a rack 812 slidably arranged on a pin hole forming base 811 and a gear 813 meshed with the rack, a gear shaft of the gear is pivoted on the forming base, the gear shaft of the gear is connected with a pin hole pressing block 424, and the pin hole pressing block is positioned at the side of the watchband jig; the end of the rack is provided with a roller 814 that contacts the toggle.

As shown in fig. 2, the product output device 50 includes a product output assembly 51 and a slanted output plate 52 located below the product output assembly 51.

Regarding the finished product output device 50, the finished product output assembly 51 includes a fifth base connected to the fifth horizontal cylinder, a fifth lifting cylinder installed on the fifth base, and a finished product output block installed on a piston rod of the fifth lifting cylinder, and a finished product adsorption device is disposed at the bottom of the finished product output block.

As shown in fig. 2, the turntable 60 is mounted on a rotating central shaft 61 which is mounted on an indexing instrument 62 which is connected to a motor, the indexing instrument being mounted on a table.

Referring to fig. 1 and 2, a stationary platen 90 positioned above the turntable 60 is mounted on a frame 91, which is mounted on a table 92 by frame posts.

The bottom leather lifting assembly 11, the bottom leather positioning assembly 12, the inner core supply assembly 21, the inner core positioning assembly 22, the surface skin lifting assembly 31, the surface skin positioning assembly 32 and the inclined output plate 52 are arranged on a workbench. The bottom leather conveying assembly 13, the inner core conveying pressing assembly 23, the surface leather conveying pressing assembly 33, the pin hole machining device 40 and the finished product output assembly 51 are arranged on a fixed disc.

Referring to fig. 1 and 2, an electric heating device 93 is disposed at the bottom of the working table 92, and the electric heating device 93 is connected to the first core conveying and pressing block, the second core conveying and pressing block, the first skin conveying and pressing block, the second skin conveying and pressing block, the pin hole pressing block 424, and the pin hole shaping pressing block 434, respectively.

In practical operation, the working process of the automatic laminating machine is as follows:

firstly, the turntable 60 rotates, the watchband jig 70 on the turntable runs to a bottom leather supply station, the bottom leather lifting assembly 11 in the bottom leather supply device 10 supplies watchband bottom leather, the bottom leather conveying assembly 13 conveys the watchband bottom leather to the bottom leather positioning assembly 12, and after the watchband bottom leather is positioned, the bottom leather conveying assembly 13 conveys the watchband bottom leather to the watchband jig 70, and the watchband bottom leather is tiled on the watchband jig.

Secondly, the turntable 60 rotates, the watchband jig 70 tiled with the watchband back skin moves to an inner core pressing station, the inner core supply assembly 21 in the inner core pressing device 20 provides a watchband inner core, the inner core conveys the watchband inner core to the inner core positioning assembly 22, after the watchband inner core is positioned, the inner core conveys the pressing assembly 23 to convey the inner core to the watchband jig 70, the watchband inner core is tiled on the watchband back skin, and the inner core conveys the pressing assembly 23 to press the watchband inner core down to enable the inner core to be bonded with the watchband back skin.

Thirdly, the turntable 60 rotates, the watchband jig tiled with the watchband bottom skin and the watchband core runs to a skin pressing station, the skin lifting assembly 31 in the skin pressing device 30 supplies watchband skin, the skin conveying pressing assembly 33 conveys the watchband skin to the skin positioning assembly 32, after the watchband skin is positioned, the skin conveying pressing assembly 33 conveys the watchband skin to the watchband jig 70, the watchband skin is tiled on the watchband core on the watchband jig 70, and the skin conveying pressing assembly 33 presses the watchband skin downwards to be adhered to the watchband core.

Fourthly, the rotating disc 60 rotates, the watchband jig tiled with the watchband skin moves to the pin hole processing station, the inserting pin 41 transversely moves to the position above the end part of the watchband jig 70 and is located above the watchband skin, the left side of the inserting pin 41 is the skin, the inner core and the bottom skin of the end part of the watchband which is not pressed, the right side of the inserting pin 41 is the skin, the inner core and the bottom skin of the main body part of the watchband which is pressed, and the end part of the watchband which is not pressed is located on the pin hole forming assembly 42; then, pin hole forming assembly 42 rotates one hundred and eighty degrees around pin 41, so that the end of the watchband which is not pressed together rotates one hundred and eighty degrees around pin 41; after preliminary prepressing is performed on the watchband end part which is not subjected to pressing by the pin hole forming component 42, the pin hole forming component 42 is reset, and the pin hole shaping pressing component 43 presses the watchband end part and the watchband main body part which are overlapped together.

Fifthly, the rotating disc 60 rotates, the laminated watchband moves to a finished product output station, the finished product output assembly 51 in the finished product output device 50 conveys the watchband on the watchband jig 70 to the inclined output plate 52, and the watchband is output from the automatic watchband laminating machine along the inclined output plate 52.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims (4)

1. An automatic laminating machine for watchbands comprises a bottom leather supply device (10) arranged on a bottom leather supply station, an inner core laminating device (20) arranged on an inner core laminating station, a surface skin laminating device (30) arranged on a surface skin laminating station, a pin hole machining device (40) arranged on a pin hole machining station and a finished product output device (50) arranged on a finished product output station;

the bottom leather supply device, the inner core pressing device, the surface leather pressing device and the pin hole processing device are arranged in sequence along the edge of the turntable (60);

a plurality of watchband jigs (70) are arranged at the edge of the turntable;

the method is characterized in that: the pin hole machining device (40) comprises a pin (41) moving transversely, a pin hole forming assembly (42) rotating around the pin, and a pin hole shaping pressing assembly (43) located beside the pin hole forming assembly;

the bottom leather feeding device (10) comprises a bottom leather lifting assembly (11), a bottom leather positioning assembly (12) positioned beside the bottom leather lifting assembly, and a bottom leather conveying assembly (13) positioned above the bottom leather lifting assembly and the bottom leather positioning assembly;

the bottom leather lifting assembly comprises a bottom leather guide frame (112) which is through up and down, a bottom leather lifting piece (113) positioned at the bottom of the bottom leather guide frame, and a first screw rod mechanism (114) for driving the bottom leather lifting piece to lift;

the bottom leather conveying assembly comprises a first base (132) connected with a first transverse air cylinder (131), a first lifting air cylinder (133) arranged on the first base, a first bottom leather conveying block (134) and a second bottom leather conveying block (135) arranged on a piston rod of the first lifting air cylinder, and bottom leather adsorption devices are arranged at the bottom of the first bottom leather conveying block and the bottom of the second bottom leather conveying block;

the inner core pressing device (20) comprises an inner core supply assembly (21), an inner core positioning assembly (22) located beside the inner core supply assembly, and an inner core conveying pressing assembly (23) located above the inner core supply assembly and the inner core positioning assembly;

the inner core supply assembly comprises a first arc-shaped strip (212) and a second arc-shaped strip (213) which are arranged on an inner core supply platform (211), a vertical plate (214) which is arranged on the inner core supply platform, and an inner core pressing piece (215) which is movably arranged between the first arc-shaped strip and the second arc-shaped strip, wherein the circle center of the first arc-shaped strip is superposed with the circle center of the second arc-shaped strip, one sides of the first arc-shaped strip and the second arc-shaped strip are tightly attached to the vertical plate, a push opening is formed in the bottom of the vertical plate, and the push opening is positioned between the first arc-shaped strip and the second arc-shaped strip; an inner core transverse pushing cylinder (217) is mounted on the inner core supply platform, a push plate (218) is arranged on a piston rod of the inner core transverse pushing cylinder, and the push plate penetrates through the push opening under the driving of the inner core transverse pushing cylinder;

the inner core conveying pressing assembly comprises a second base connected with a second transverse cylinder, a second lifting cylinder arranged on the second base, a first inner core conveying pressing block and a second inner core conveying pressing block which are arranged on a piston rod of the second lifting cylinder, and inner core adsorption devices are arranged at the bottom of the first inner core conveying pressing block and the bottom of the second inner core conveying pressing block;

the skin pressing device (30) comprises a skin lifting assembly (31), a skin positioning assembly (32) located beside the skin lifting assembly, and a skin conveying pressing assembly (33) located above the skin lifting assembly and the skin positioning assembly;

the surface skin conveying and pressing assembly comprises a third base connected with a third transverse cylinder, a third lifting cylinder arranged on the third base, a first surface skin conveying and pressing block and a second surface skin conveying and pressing block which are arranged on a piston rod of the third lifting cylinder, and surface skin adsorption devices are arranged at the bottom of the first surface skin conveying and pressing block and the bottom of the second surface skin conveying and pressing block;

the finished product output device (50) comprises a finished product output assembly (51) and an inclined output plate (52) positioned below the finished product output assembly (51).

2. An automatic watchband laminating machine according to claim 1, characterized in that: the bottom leather positioning assembly (12) comprises a positioning lifting cylinder (121), a left L-shaped moving piece (122) and a right L-shaped moving piece, wherein the middle part of the left L-shaped moving piece and the right L-shaped moving piece are hinged to the cylinder body of the positioning lifting cylinder;

the left end of the left L-shaped moving part is hinged with the middle part of a left L-shaped sliding block (123), the right end of the right L-shaped moving part is hinged with the middle part of a right L-shaped sliding block, the left L-shaped sliding block and the right L-shaped sliding block are arranged in a bilateral symmetry manner, strip-shaped sliding holes (125) are formed in the left L-shaped sliding block and the right L-shaped sliding block, the strip-shaped sliding hole in the left L-shaped sliding block and the strip-shaped sliding hole in the right L-shaped sliding block are overlapped front and back, a sliding rod is movably inserted in the strip-shaped sliding hole in the left L-shaped sliding block and the strip-shaped sliding hole in the right L-shaped sliding block, and the sliding rod is fixed on a cylinder body of the positioning lifting cylinder;

the left side of the left L-shaped sliding block is connected with a left positioning base (126), the right side of the right L-shaped sliding block is connected with a right positioning base, the left positioning base and the right positioning base are arranged in bilateral symmetry, the left positioning base is provided with a left V-shaped notch (126-1), the right positioning base is provided with a right V-shaped notch, the left V-shaped notch and the right V-shaped notch are arranged in opposite directions, the left positioning base and the right positioning base are connected through a connecting rod (127), the left end of the connecting rod is movably inserted into the side wall of the left V-shaped notch, and the right end of the connecting rod is movably inserted into the side wall of the right V-shaped notch;

a front positioning base (124) and a rear positioning base are arranged between the left positioning base and the right positioning base, a first wedge-shaped part (124-1) is arranged on the left side of the front positioning base, a second wedge-shaped part (124-2) is arranged on the right side of the front positioning base, a third wedge-shaped part is arranged on the left side of the rear positioning base, a fourth wedge-shaped part is arranged on the right side of the rear positioning base, the front positioning base and the rear positioning base are symmetrically arranged in the front-back direction, the first wedge-shaped part and the third wedge-shaped part are matched in the left V-shaped opening, and the second wedge-shaped part and the fourth wedge-shaped part are matched in the right V-shaped opening; the front positioning base and the rear positioning base are both provided with sliding through holes (124-3), the cross sections of the sliding through holes are in strip shapes, and the connecting rods are inserted into the sliding through holes;

the top of the bottom leather positioning component is provided with a positioning platform (128), the left side of the positioning platform is provided with a left sliding positioning block (128-1), the right side of the positioning platform is provided with a right sliding positioning block (128-2), the front side of the positioning platform is provided with a front sliding positioning block (128-3), and the rear side of the positioning platform is provided with a rear sliding positioning block (128-4); left side slide locating piece pass through left side location connecting plate with left side location pedestal connection, right side slide locating piece pass through right side location connecting plate with right side location pedestal connection, the front side slide locating piece pass through front side location connecting plate with front positioning pedestal connection, the rear side slide locating piece pass through rear side location connecting plate with rear positioning pedestal connection.

3. An automatic bracelet stitching machine according to claim 1, characterized in that: the pin hole forming assembly (42) comprises a rotary cylinder (421), a pin connecting rod (422) arranged on a piston of the rotary cylinder, a clamping jaw cylinder (423) arranged on the pin connecting rod, and a pin hole pressing block (424) arranged on a clamping jaw of the clamping jaw cylinder;

the contact pin (41) is arranged on the contact pin connecting rod, and the pin hole pressing block is positioned beside the contact pin;

the pin hole shaping pressing assembly (43) comprises a fourth base (432) connected with a fourth transverse cylinder (431), a fourth lifting cylinder (433) installed on the fourth base, and a pin hole shaping pressing block (434) installed on a piston rod of the fourth lifting cylinder.

4. An automatic watchband laminating machine according to claim 1, characterized in that: the pin hole forming assembly (42) comprises a pin hole forming driving assembly (80) and a pin hole forming executing assembly (81);

the pin hole forming driving assembly comprises a telescopic cylinder (801) hinged on a fixed disc (90), a rotating connecting rod (802) hinged with a piston rod of the telescopic cylinder, a rotating shaft connected with the rotating connecting rod and a stirring piece (803) connected with the rotating shaft, wherein the rotating shaft is pivoted on a rotating shaft base (804), and the rotating shaft base is arranged on the fixed disc; the fixed disc is positioned above the turntable (60);

the pin hole forming executing assembly (81) is installed on the watchband jig (70), the pin hole forming executing assembly comprises a rack (812) installed on a pin hole forming base (811) in a sliding mode and a gear (813) meshed with the rack, a gear shaft of the gear is pivoted on the forming base, the gear shaft of the gear is connected with a pin hole pressing block (424), and the pin hole pressing block is located on the side of the watchband jig; the end of the rack is provided with a roller (814) which is contacted with the poking piece.

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