CN217801489U

CN217801489U - Watchband hollow assembly fixture

Info

Publication number: CN217801489U
Application number: CN202222185067.XU
Authority: CN
Inventors: 罗玉合
Original assignee: Shenzhen Chuanjin Daiyin Technology Co ltd
Current assignee: Shenzhen Xipuni Precision Technology Co.,Ltd.
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-15
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a hollow assembly jig of watchband for in packing into the connecting rod the first mounting hole of watchband, the hollow assembly jig of watchband includes frame, work platform, gag lever post, ejector pin subassembly and fixed subassembly. The limiting rod is horizontally arranged on one side of the working platform. The ejector rod assembly is arranged on the working platform. The fixed component comprises a sliding plate, a first fixed needle and a limiting block, wherein the sliding plate is arranged on the working platform in a sliding mode and arranged in a relative sliding mode with the ejector rod component. The tip of the first fixing needle can be telescopically protruded out of one side of the sliding plate close to the ejector rod component. The limiting block is movably connected with the sliding plate. Wherein, the sliding plate includes initial position and assembly position on its slip direction, and the assembly position is closer to the ejector pin subassembly than initial position, and when the sliding plate was located initial position, the bottom surface of stopper and the top surface contact of gag lever post, when the sliding plate was located the assembly position, the spacing butt of the side of stopper and the terminal surface of gag lever post. The assembling device is convenient to use, and the assembling efficiency is effectively improved.

Description

Watchband hollow assembly fixture

Technical Field

The utility model relates to a watchband assembly technical field, in particular to hollow assembly jig of watchband.

Background

Metal watchbands are typically made up of a plurality of band particles connected by connecting rods. In the process of inserting the connecting rod into the mounting hole of the watchband, the watchband hollow assembling clamp in the prior art is inconvenient in a method for fixing the watchband, and the assembling efficiency is reduced.

It is therefore desirable to provide a band hollow assembling jig to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hollow assembly jig of watchband, its convenient to use has effectively improved assembly efficiency.

The technical scheme of the utility model is that:

a hollow assembling jig for a band for fitting a connecting bar into a first fitting hole of a band, comprising:

a frame;

the working platform is horizontally arranged on the rack;

the limiting rod is horizontally arranged on one side of the working platform;

the ejector rod assembly is arranged on the working platform and used for placing the connecting rod and inserting the connecting rod into the first mounting hole; and the number of the first and second groups,

the fixing assembly comprises a sliding plate, a first fixing needle and a limiting block, and the sliding plate is arranged on the working platform in a sliding mode and arranged in a sliding mode relative to the ejector rod assembly; the tip of the first fixing needle is telescopically protruded out of one side, close to the ejector rod assembly, of the sliding plate and is used for being inserted into one end of the first mounting hole so as to fix the watchband; the limiting block is movably connected with the sliding plate;

the assembling position is closer to the ejector rod component than the initial position, when the sliding plate is located at the initial position, the bottom surface of the limiting block is in contact with the top surface of the limiting rod, and when the sliding plate is located at the assembling position, the side surface of the limiting block is in limiting and abutting joint with the end surface of the limiting rod, so that the watchband is clamped between the sliding plate and the ejector rod component.

Hollow assembly jig of watchband in, the stopper sets up along vertical slip, the one end extension of stopper is provided with the extension board, works as the sliding plate is located during the assembly position, the extension board salient in the side end face of sliding plate.

Hollow assembly jig of watchband in, work platform is provided with the recess, the one end of gag lever post run through in a lateral wall of recess, be provided with the first constant head tank that runs through on the sliding plate, fixed subassembly still includes first fixed axle, first fixed axle runs through first constant head tank, just the length direction of first fixed axle with the slip direction of sliding plate is unanimous, the stopper rotates to set up in the first constant head tank, just the one end of stopper is rotated and is set up on the first fixed axle.

Hollow assembly jig of watchband in, the lateral wall of recess is provided with the screw hole, the gag lever post sets up to rotatory screw, the gag lever post is rotatory to be set up in the screw hole.

Hollow assembly jig of watchband in, the stopper is close to the one end of first fixed axle, its top is provided with the lug.

Hollow assembly jig of watchband in, being close to of sliding plate the bottom of one side of ejector pin subassembly is provided with wears the groove, the watchband is provided with the second mounting hole, fixed subassembly still includes the fixed needle of second, the fixed needle of second most advanced scalable protrusion in wear the groove, the fixed needle of second diameter is less than wear the width in groove, the fixed needle of second is used for inserting in the one end of second mounting hole, with fixed the watchband.

Hollow assembly jig of watchband in, still be provided with the second constant head tank on the sliding plate, it for first constant head tank is close to the ejector pin subassembly, fixed subassembly still includes the thimble board, its slip sets up in the second constant head tank, first fixed needle with the fixed needle of second is fixed on the thimble board.

Hollow assembly jig of watchband in, fixed subassembly still include with the parallel second fixed axle of first fixed axle, just first fixed axle with the second fixed axle all runs through in the second constant head tank, thimble board movable sleeve is established first fixed axle with on the second fixed axle.

Hollow assembly jig of watchband in, fixed subassembly is still including promoting the screw, and it is fixed along vertical direction on the thimble board, promote the nut protrusion of screw in the surface of thimble board, just promote the screw rod of screw with one side butt of first stationary needle.

Hollow assembly jig of watchband in, ejector pin subassembly includes:

the bar fixing plate is fixedly arranged on the working platform and is arranged opposite to the sliding plate, the bar fixing plate is provided with an accommodating groove for accommodating the connecting bar, the length direction of the accommodating groove is consistent with the length direction of the first fixing needle, two side walls of the accommodating groove in the length direction are respectively provided with a first through hole and a second through hole, the first through hole is close to the first fixing needle relative to the second through hole, and the first through hole is used for enabling the connecting bar to penetrate out and be inserted into the first mounting hole; and the number of the first and second groups,

the ejector rod piece comprises an ejector rod block and an ejector rod needle, the ejector rod block is arranged on one side, far away from the sliding plate, of the rod fixing plate in a sliding mode, the ejector rod needle is fixed on one side, close to the rod fixing plate, of the ejector rod block, the ejector rod needle penetrates through the second through hole, and the ejector rod block slides towards the direction close to the rod fixing plate so as to drive the ejector rod needle to move and further drive the connecting rod to move; and the number of the first and second groups,

the driving device comprises an air cylinder and a driving block, the air cylinder is arranged on one side, away from the fixed rod plate, of the ejector rod block, the driving block is connected with a piston rod of the air cylinder, and the piston rod of the air cylinder moves to drive the driving block to move so as to drive the ejector rod block to move.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a hollow assembly jig of watchband, earlier be located initial position with the sliding plate during use, there is great interval this moment between sliding plate and the ejector pin subassembly, can put into the watchband, and fix the watchband on first mounting hole on first fixed needle, thereby make one side of watchband fix the one side that the sliding plate is close to the ejector pin subassembly, then promote sliding plate to assembly position to the direction that is close to the ejector pin subassembly, the side of stopper and the spacing butt of terminal surface of gag lever post this moment, the opposite side and the ejector pin subassembly butt of watchband, the watchband just by the centre gripping between sliding plate and ejector pin subassembly, when promoting the connecting rod to insert first mounting hole, because the limiting block's of sliding plate is limited, can not remove to the direction of keeping away from the ejector pin subassembly again, consequently also can not remove, when assembling once more, as long as move the stopper, make it be higher than the gag lever post, alright get back to initial position with sliding plate slip, convenient use, assembly efficiency has effectively been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is a schematic top view of a watch band hollow assembling jig according to a first preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a working platform of a watch band hollow assembling jig according to a first preferred embodiment of the present invention.

Fig. 3 is a schematic view of a part of a structure of a hollow assembling jig for a band according to a first preferred embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a limiting block of the watch band hollow assembling jig according to the first preferred embodiment of the present invention.

Fig. 5 is a schematic structural view of a stem fixing plate of the watch band hollow assembling jig according to the first preferred embodiment of the present invention.

Fig. 6 is a schematic structural view of a part of a structure of a hollow assembling jig for a band according to a second preferred embodiment of the present invention.

Fig. 7 is a schematic structural view of another state of a partial structure of a hollow assembling jig for a band according to a second preferred embodiment of the present invention.

Wherein the labels of fig. 1-5 are as follows:

11. a working platform is arranged on the base plate,

111. a groove 112, a threaded hole 113, a sliding groove,

12. a limiting rod is arranged on the upper portion of the frame,

13. the top rod component is arranged on the top cover,

131. the rod fixing plate is fixed on the rod fixing plate,

1311. a receiving groove 1312, a first penetration hole 1313, a second penetration hole,

132. the top rod piece is arranged on the top rod piece,

1321. a mandril block 1322 and a mandril needle,

133. a driving device is arranged on the base plate,

1331. a cylinder, 1332, a drive block,

14. the fixing component is used for fixing the fixing component,

141. a sliding plate is arranged on the base plate,

1411. a first positioning groove 1412, a through groove 1413, a second positioning groove,

142. a first fixing pin is arranged at the bottom of the needle body,

143. a limiting block 1431, a convex block,

144. a first fixed shaft is arranged on the first side of the frame,

145. a second fixing pin is arranged on the second fixing pin,

146. a second fixed shaft is arranged on the second fixing shaft,

147. the needle-ejecting plate is arranged on the needle-ejecting plate,

148. the screw is pushed to move the screw in the direction of the screw,

149. a slide bar.

The labels of fig. 6 and 7 are as follows:

21. a limiting block 211 and an extending plate,

22. a limiting rod.

In the drawings, elements having similar structures are denoted by the same reference numerals.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or any order limitation.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the process of inserting the connecting rod into the mounting hole of the watchband, the watchband hollow assembling clamp in the prior art is inconvenient in a method for fixing the watchband, and the assembling efficiency is reduced.

The utility model provides a can solve the hollow assembly jig's of watchband preferred embodiment of above technical problem as follows.

Referring to fig. 1, a first preferred embodiment of the present invention provides a watchband hollow assembling jig for installing a connecting rod into a first mounting hole of a watchband, where the watchband includes a first band piece and a second band piece, the first band piece has a first mounting hole, the second band piece has a second mounting hole, and the first mounting hole and the second mounting hole are butted to form the first mounting hole. The watchband hollow assembling clamp comprises a frame, a working platform 11, a limiting rod 12, a top rod assembly 13 and a fixing assembly 14. The working platform 11 is horizontally arranged on the frame. The limiting rod 12 is horizontally arranged on one side of the working platform 11. The mandril assembly 13 is arranged on the working platform 11 and used for placing the connecting rod and inserting the connecting rod into the first mounting hole. The fixing assembly 14 includes a sliding plate 141, a first fixing pin 142 and a limiting block 143, and the sliding plate 141 is slidably disposed on the working platform 11 and slidably disposed relative to the push rod assembly 13. The tip of the first fixing pin 142 is telescopically protruded from one side of the sliding plate 141 close to the jack assembly 13 for being inserted into one end of the first mounting hole to fix the band. During assembly, the first fixing pin 142 and the connecting rod are located on the same straight line and respectively correspond to two ends of the first mounting hole. The limiting block 143 is movably connected with the sliding plate 141.

Wherein the sliding plate 141 comprises an initial position and an assembly position in the sliding direction, the sliding plate 141 is illustrated in the initial position in fig. 1, and the assembly position is closer to the carrier rod assembly 13 than the initial position. When the slide plate 141 is in the initial position, the bottom surface of the stopper 143 contacts the top surface of the stopper rod 12, and when the slide plate 141 is in the fitting position, the side surface of the stopper 143 is in stopper abutment with the end surface of the stopper rod 12, so as to clamp the band between the slide plate 141 and the jack assembly 13.

The utility model discloses a hollow assembly jig of watchband, earlier be located initial position with sliding plate 141 during the use, there is great interval this moment between sliding plate 141 and the ejector pin subassembly 13, can put into the watchband, and fix the watchband on first mounting hole at first fixed needle 142, thereby make one side of watchband fix the one side that sliding plate 141 is close to ejector pin subassembly 13, then to the direction that is close to ejector pin subassembly 13 promote sliding plate 141 to assembly position, the spacing butt of side of stopper 143 and gag lever post 12's the spacing butt of terminal surface this moment, the opposite side and the ejector pin subassembly 13 butt of watchband, the watchband just is by the centre gripping between sliding plate 141 and ejector pin subassembly 13, when promoting the connecting rod to insert first mounting hole, because sliding plate 141 is limited by stopper 143, can not remove to the direction of keeping away from ejector pin subassembly 13 again, therefore the watchband also can not remove, during the assembly once more, as long as to move stopper 143, make it be higher than gag lever post 12, alright get back to initial position with sliding plate 141 sliding, convenient to use, assembly efficiency has effectively been improved.

Please refer to fig. 2 and fig. 3, and also refer to fig. 1. The working platform 11 is provided with a groove 111, one end of the limiting rod 12 penetrates through one side wall of the groove 111, a first positioning groove 1411 penetrating through is arranged on the sliding plate 141, the fixing assembly 14 further comprises a first fixing shaft 144, the first fixing shaft 144 penetrates through the first positioning groove 1411, the length direction of the first fixing shaft 144 is consistent with the sliding direction of the sliding plate 141, the limiting block 143 is rotatably arranged in the first positioning groove 1411, and one end of the limiting block 143 is rotatably arranged on the first fixing shaft 144. By adopting the structure, when the sliding plate 141 is in the assembling position, one end of the limiting block 143 far away from the first fixed shaft 144 can naturally fall down by the gravity thereof, and the structure is simple and the use is convenient.

Please refer to fig. 2, and also refer to fig. 1. The lateral wall of recess 111 is provided with screw hole 112, and gag lever post 12 sets up to rotatory screw, and gag lever post 12 is rotatory to be set up in screw hole 112. With the structure, the length of the screw extending into the groove 111 can be adjusted, so that the position of the sliding plate 141 in the assembling position can be adjusted, and the distance between the sliding plate 141 and the mandril assembly 13 can be adjusted to adapt to watchbands with different widths.

Please refer to fig. 4, and also refer to fig. 1 and fig. 3. The limiting block 143 is near one end of the first fixing shaft 144, and a protrusion 1431 is disposed on the top of the limiting block. With the structure, when the sliding plate 141 returns to the initial position from the assembling position, the height of the limiting block 143 can be quickly made higher than the limiting rod 12 by snapping the protrusion 1431, so that the limiting block 143 and the limiting rod 12 are separated from the abutting state.

Referring to fig. 3, a bottom of the sliding plate 141 near one side of the jack module 13 is provided with a through slot 1412, and the band is provided with a second mounting hole. The fixing assembly 14 further includes a second fixing pin 145, a tip of the second fixing pin 145 is telescopically protruded out of the through groove 1412, a diameter of the second fixing pin 145 is smaller than a width of the through groove 1412, and the second fixing pin 145 is used for being inserted into one end of the second mounting hole to fix the watch band. The watchband can be fixed more stably by adding the second fixing pin 145, one end of the second fixing pin 145 is positioned in the through groove 1412, so that the second fixing pin 145 has a certain moving space, when the distance between the first fixing pin 142 and the second fixing pin 145 and the distance between the first mounting hole and the second mounting hole have an error in a certain range, the position of the second fixing pin 145 can be slightly adjusted to enable the second fixing pin to be inserted into the second mounting hole, and by means of the structure, the requirement on machining precision can be reduced, the processing is facilitated, and the reject ratio is reduced.

Please refer to fig. 3, and also refer to fig. 1. The sliding plate 141 is further provided with a second positioning slot 1413, which is adjacent to the push rod assembly 13 with respect to the first positioning slot 1411. The fixing assembly 14 further includes an ejector plate 147 slidably disposed in the second positioning groove 1413, and the first fixing pin 142 and the second fixing pin 145 are fixed to the ejector plate 147. By adopting the structure, when the first fixing needle 142 and the second fixing needle 145 need to protrude out of the sliding plate 141, the ejector plate 147 is slid towards the direction close to the ejector assembly 13, when the connecting rod is installed in the first installation hole of the watchband, the connecting rod ejects the first fixing needle 142 out of the first installation hole, and meanwhile, the ejector plate 147 is driven to slide towards the direction far away from the ejector assembly 13, so that the structure is simple, and the use is convenient.

Referring to fig. 3, the fixing assembly 14 further includes a second fixing shaft 146 parallel to the first fixing shaft 144, the first fixing shaft 144 and the second fixing shaft 146 both penetrate through the second positioning slot 1413, and the ejector plate 147 is movably sleeved on the first fixing shaft 144 and the second fixing shaft 146. This structure makes the ejector plate 147 slide stably, and at the same time, the first fixing shaft 144 can be sufficiently utilized, so that the structure is simple and easy to process.

Referring to fig. 1, the fixing assembly 14 further includes a pushing screw 148 fixed on the ejector plate 147 along a vertical direction, a nut of the pushing screw 148 protrudes out of a surface of the ejector plate 147, and a screw of the pushing screw 148 abuts against one side of the first fixing pin 142. This structure not only is convenient for to the direction slip thimble board 147 that is close to ejector pin subassembly 13, can consolidate first fixed needle 142 simultaneously for first fixed needle 142 is connected more stably with thimble board 147.

Please refer to fig. 1 and fig. 2. The work platform 11 is provided with a chute 113, and the length direction of the chute is consistent with the sliding direction of the sliding plate 141. The watch band hollow assembly fixture further comprises a slide bar 149, the slide bar 149 is slidably arranged in the sliding groove 113, and the sliding plate 141 is connected with the slide bar 149. This structure makes the sliding plate 141 slide conveniently and has a simple structure.

Referring to fig. 1, the sliding plate 141 is detachably connected to the sliding bar 149 through screws. The first mounting holes of different watchbands are different in size, and the distance between the first mounting holes and the second mounting holes is different, so that the sliding plate 141 fixed with the first fixing pins 142 of different sizes can be replaced conveniently, or the sliding plate 141 with different distances between the first fixing pins 142 and the second fixing pins 145 can be replaced conveniently by adopting the structure, so that the watchbands are suitable for different watchbands.

Referring to fig. 1 and 5, the ram assembly 13 includes a ram plate 131, a ram member 132, and a driving device 133. The rod fixing plate 131 is fixedly arranged on the working platform 11 and is arranged opposite to the sliding plate 141, the rod fixing plate 131 is provided with a containing groove 1311 for placing a connecting rod, and the length direction of the containing groove 1311 is consistent with that of the first fixing needle 142. Two side walls in the length direction of the receiving groove 1311 are respectively provided with a first through hole 1312 and a second through hole 1313, the first through hole 1312 is close to the first fixing pin 142 relative to the second through hole 1313, and the first through hole 1312 is used for the connection rod to pass through and be inserted into the first mounting hole. The ejector rod 132 includes an ejector rod block 1321 and an ejector rod needle 1322, the ejector rod block 1321 is slidably disposed on a side of the rod fixing plate 131 away from the sliding plate 141, the ejector rod needle 1322 is fixed on a side of the ejector rod block 1321 close to the rod fixing plate 131, the ejector rod needle 1322 penetrates through the second through hole 1313, and the ejector rod block 1321 slides in a direction close to the rod fixing plate 131 to drive the ejector rod needle 1322 to move, so as to drive the connecting rod to move. The driving device 133 includes an air cylinder 1331 and a driving block 1332, the air cylinder 1331 is disposed on one side of the ejector rod block 1321 away from the rod fixing plate 131, the driving block 1332 is connected with a piston rod of the air cylinder 1331, and the piston rod of the air cylinder 1331 moves to drive the driving block 1332 to move, so as to drive the ejector rod block 1321 to move. Ejector pin piece 1321 and ejector pin 1322 all are the metal material, and life is high, and drive block 1332 is the rubber material of excelling in, can not produce great noise among the striking process. By adopting the structure, the ejector rod block 1321 is manually pushed firstly, the connecting rod is pushed into the first mounting hole through the ejector rod needle 1322, preliminary assembly is carried out, too fast or overlarge force applied to the connecting rod can be effectively avoided, the connecting rod is deviated from the first mounting hole, assembly failure is avoided, then the piston rod of the air cylinder 1331 is used for pushing the driving block 1332 for secondary assembly, the connecting rod is completely installed into the first mounting hole, and assembly is more fine.

Referring to fig. 6 and 7, a second preferred embodiment of the present invention provides a watch band hollow assembling jig, which is different from the watch band hollow assembling jig of the first preferred embodiment in that a limiting block 21 is disposed along a vertical sliding direction, an extending plate 211 is extended from one end of the limiting block 21, and when the sliding plate is located at an assembling position, the extending plate 211 protrudes from a side end surface of the sliding plate. Fig. 6 illustrates a state when the sliding plate is at an initial position, the sliding plate is not illustrated in fig. 6, the limiting block 21 is movably connected with the sliding plate, for example, the limiting block 21 can be connected with the sliding plate through a vertical sliding rail, and the sliding plate moves to drive the limiting block 21 to move along the length direction of the limiting rod 22. Fig. 7 illustrates a state in which the sliding plate is located in the assembly position, the sliding plate is not illustrated in fig. 7, and the sliding plate drives the limiting block 21 to move to the position above the end surface of the limiting rod 22 and then fall down by gravity, so that the limiting block 21 abuts against the end surface of the limiting rod 22, and the sliding plate is limited. When the sliding plate is in the assembling position, the extending plate 211 protrudes from the side end surface of the sliding plate, so that the extending plate 211 is conveniently pulled upwards, the limiting block 21 is separated from the abutting state with the limiting rod 22, and the sliding plate can be slid back to the initial position. This simple structure, stopper 21 removes the convenience.

The utility model discloses the hollow assembly jig's of watchband working process of first preferred embodiment:

1. selecting a proper sliding plate 141, wherein the sizes of the first fixing pin 142 and the second fixing pin 145 of the sliding plate 141 and the distance between the first fixing pin and the second fixing pin are matched with the first mounting hole and the second mounting hole of the watchband to be assembled, and fixing the sliding plate 141 on a sliding strip 149 through screws;

2. according to the width of the watchband, the length of the rotary screw extending into the groove 111 is adjusted, so that when the side surface of the limit block 143 is in limit abutment with the end surface of the limit rod 12, the distance between the sliding plate 141 and the mandril assembly 13 is just used for clamping the watchband;

3. the nut of the pushing screw 148 is pinched, the ejector plate 147 is slid towards the direction close to the ejector rod assembly 13, and when the ejector plate 147 is abutted against the side wall of the second positioning groove 1413 close to the ejector rod assembly 13, the tips of the first fixing pin 142 and the second fixing pin 145 just protrude out of the sliding plate 141;

4. firstly, the sliding plate 141 is placed at an initial position, the first mounting hole of the watchband is aligned with the first fixing pin 142, the second mounting hole of the watchband is aligned with the second fixing pin 145, so that one side of the watchband is fixed on the sliding plate 141, then the sliding plate 141 is pushed towards the direction close to the ejector rod component 13, when the other side of the watchband is abutted against the ejector rod component 13, the sliding plate 141 is just in an assembly position, at the moment, the side surface of the limiting block 143 is in limiting abutment with the end surface of the limiting rod 12, and the watchband is clamped between the sliding plate 141 and the ejector rod component 13 and cannot move;

5. placing the connecting rod into the accommodating groove 1311 of the rod fixing plate 131, wherein the length direction of the connecting rod just corresponds to the length direction of the first mounting hole;

6. the ejector rod block 1321 is pushed first, the connecting rod is pushed into the first mounting hole through the ejector rod needle 1322 for primary assembly, and then the driving block 1332 is pushed by the piston rod of the air cylinder 1331 for secondary assembly, so that the connecting rod is completely installed into the first mounting hole.

Thus, the working process of the watch band hollow assembling jig of the first preferred embodiment of the present invention is completed.

The utility model discloses a hollow assembly jig of watchband, earlier be located initial position with the sliding plate during use, there is great interval this moment between sliding plate and the ejector pin subassembly, can put into the watchband, and fix the watchband on first mounting hole on first fixed needle, thereby make one side of watchband fix the one side that the sliding plate is close to the ejector pin subassembly, then promote sliding plate to assembly position to the direction that is close to the ejector pin subassembly, the side of stopper and the spacing butt of terminal surface of gag lever post this moment, the opposite side and the ejector pin subassembly butt of watchband, the watchband just by the centre gripping between sliding plate and ejector pin subassembly, when promoting the connecting rod to insert first mounting hole, because the limiting block's of sliding plate is limited, can not remove to the direction of keeping away from the ejector pin subassembly again, consequently also can not remove, when assembling once more, as long as move the stopper, make it be higher than the gag lever post, alright get back to initial position with sliding plate slip, convenient use, assembly efficiency has effectively been improved.

In summary, although the present invention has been disclosed with reference to the preferred embodiments, the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention within the technical scope of the present invention.

Claims

1. A hollow assembling jig for a band for fitting a connecting rod into a first fitting hole of a band, comprising:

a frame;

the working platform is horizontally arranged on the rack;

the limiting rod is horizontally arranged on one side of the working platform;

the fixing assembly comprises a sliding plate, a first fixing needle and a limiting block, and the sliding plate is arranged on the working platform in a sliding mode and is arranged in a relative sliding mode with the ejector rod assembly; the tip of the first fixing pin is telescopically protruded out of one side of the sliding plate close to the ejector rod assembly and is used for being inserted into one end of the first mounting hole so as to fix the watchband; the limiting block is movably connected with the sliding plate;

2. The watch band hollow assembling jig according to claim 1, wherein the work platform is provided with a slide groove, a length direction of which coincides with a sliding direction of the slide plate, the watch band hollow assembling jig further comprises a slide bar, the slide bar is slidably disposed in the slide groove, and the slide plate is connected to the slide bar.

3. The band hollow assembly jig according to claim 2, wherein the slide plate is detachably connected to the slide bar by a screw.

4. The band hollow assembling jig of claim 1, wherein the working platform is provided with a groove, one end of the stopper rod penetrates through one side wall of the groove, the sliding plate is provided with a first positioning groove penetrating therethrough, the fixing assembly further comprises a first fixing shaft penetrating through the first positioning groove, the length direction of the first fixing shaft is consistent with the sliding direction of the sliding plate, the stopper is rotatably disposed in the first positioning groove, and one end of the stopper is rotatably disposed on the first fixing shaft.

5. The watch band hollow assembling jig according to claim 4, wherein a threaded hole is provided in a side wall of the groove, the stopper rod is provided as a rotary screw, and the stopper rod is rotatably provided in the threaded hole.

6. The band hollow assembling jig according to claim 4, wherein a through groove is provided at a bottom of a side of the sliding plate adjacent to the jack assembly, the band is provided with a second mounting hole, the fixing assembly further comprises a second fixing pin, a tip of the second fixing pin is telescopically protruded from the through groove, a diameter of the second fixing pin is smaller than a width of the through groove, and the second fixing pin is inserted into one end of the second mounting hole to fix the band.

7. The band hollow assembling jig according to claim 6, wherein the slide plate is further provided with a second positioning groove which is adjacent to the ejector assembly with respect to the first positioning groove, the fixing assembly further comprises an ejector plate which is slidably disposed in the second positioning groove, and the first fixing pin and the second fixing pin are fixed to the ejector plate.

8. The hollow assembling jig for a band as claimed in claim 7, wherein the fixing member further comprises a second fixing shaft parallel to the first fixing shaft, the first fixing shaft and the second fixing shaft both penetrate the second positioning groove, and the ejector plate is movably fitted over the first fixing shaft and the second fixing shaft.

9. The hollow assembly jig for wristwatch bands of claim 7, wherein the fixing member further comprises a push screw fixed to the ejector plate in a vertical direction, a nut of the push screw protrudes from a surface of the ejector plate, and a screw of the push screw abuts against one side of the first fixing pin.

10. The band hollow assembly jig according to claim 1, characterized in that the jack assembly comprises: