An assembly device for a composite bow crossbow arm and pulley and an assembly method thereof

Abstract

The application discloses a kind of composite bow compound bow arm and pulley assembly device, including rack and workbench on rack, workbench is equipped with bow arm moving mechanism, two bow arms are clamped on bow arm moving mechanism, and bow arm can self-rotate and linear motion;Pulley mounting mechanism, pulley in pulley groove is clamped by jaw chucking pulley installed on jaw cylinder, jaw cylinder can move horizontally and vertically;Pulley shaft mounting mechanism, pulley shaft stock bin below support plate corresponds with the circular groove containing pulley shaft, the axial direction of circular groove is same with the direction of push cylinder pushing;Substring wheel mounting mechanism, substring wheel is conveyed to substring wheel stock board on substring wheel stock groove by vibration disc, substring wheel is pushed and moves after being pressed by advance cylinder and down pressure cylinder cooperation and presses motion;Clamp spring mounting mechanism, clamp spring is clamped by clamp chucking cooperation and use on clamp strip, rotatable and linear motion by clamp pincers.The structure design of the device is compact, satisfies the demand of automation assembly, and work efficiency is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of improved design of pulley assembly mechanism of compound bow, and particularly relates to an assembly device of bow arm and pulley of compound bow and an assembly method thereof. BACKGROUND

[0002] The pulley bow arm structure of the compound bow and the compound bow is the same, mainly including two bow arms, a pulley, a pulley shaft, two auxiliary string wheels and a snap spring, the main installation structure is that the pulley is installed in the two bow arms and is penetrated through by the pulley shaft, the two bow arms are respectively provided with the auxiliary string wheels on the outer sides, the auxiliary string wheels are used for installing auxiliary strings, and finally the snap spring is clamped on the two ends of the pulley shaft to complete the packaging. At present, the assembly of the whole structure is mainly completed by manual work, first, a snap spring is installed on the pulley shaft by manual work, then a second person installs the above-mentioned parts in sequence and penetrates them in turn, a second snap spring is installed on the other side to complete the packaging, and the installation is time-consuming. Since the pulley, the auxiliary string wheel and the like have directionality, they are prone to installation errors.

[0003] The present application provides an assembly device of bow arm and pulley of compound bow and an assembly method thereof to solve one of the above problems. SUMMARY

[0004] The present application provides an assembly device of bow arm and pulley of compound bow and an assembly method thereof to solve one of the above problems.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: an assembly method of bow arm and pulley of compound bow, comprising the following steps:

[0006] S1. Clamping the bow arm, the two bow arms are respectively fixed on the clamp plate, the clamp plate is provided with a limiting assembly, and the clamp plate can rotate and move linearly;

[0007] S2. Installing the pulley and the pulley shaft, the clamp plate moves linearly forward and remains in the horizontal direction, the pulley is clamped from the pulley groove to the two bow arms, the pulley shaft is fed from the pulley shaft bin and is pushed to simultaneously penetrate the two bow arms and the pulley, and the limiting assembly respectively limits and blocks the two ends of the pulley shaft;

[0008] S3. Installing the auxiliary string wheel and the snap spring, the clamp plate moves linearly forward and is turned by 90 degrees, the limiting assembly is moved away from the upper end of the pulley shaft, the auxiliary string wheel is fed and fed from the vibration disc and is pressed onto the pulley shaft, the snap spring is taken out from the clamping strip and is clamped on the pulley shaft, the clamp plate is turned by 180 degrees, the installation operation of the auxiliary string wheel and the snap spring is repeated, the clamp plate is reset by linear motion, and the assembled pulley bow arm structure is taken out.

[0009] In the S1 step, the two sides of the clamp plate are respectively provided with limiting assemblies, and the limiting assembly comprises a blocking cylinder and a blocking block. The blocking cylinder drives the blocking block to reciprocate along the length direction of the bow arm. The clamp plate is fixed on the mounting rod driven by the first motor after speed reduction. The first motor is installed on the first linear motion module, and the first linear motion module is arranged on the workbench of the rack.

[0010] In the S2 step, the pulley groove is obliquely arranged above the workbench of the rack. The support plate is suspended on the workbench. The lifting cylinder is installed on the support plate. The horizontal cylinder is connected below the lifting cylinder. The clamping jaw cylinder is connected to the horizontal cylinder. The clamping jaw cylinder is provided with a clamping jaw capable of clamping the pulley. The pulley shaft bin is arranged below the pulley shaft bin. The circular groove for accommodating the pulley shaft is arranged on the bottom plate. The bottom plate is arranged on the workbench and is provided with the front pushing cylinder. The telescopic shaft of the front pushing cylinder reciprocates along the axial direction of the circular groove.

[0011] In the S3 step, the vibration disc is arranged above the workbench of the rack. The vibration disc transports the secondary bow pulley to the secondary bow pulley groove on the secondary bow pulley plate through the track. The secondary bow pulley groove is arranged horizontally and is provided with an upper and lower through mounting hole. The front advancing cylinder and the downward pressing cylinder are installed on the secondary bow pulley plate. The telescopic shaft of the front advancing cylinder reciprocates along the length direction of the secondary bow pulley groove. The telescopic shaft of the downward pressing cylinder reciprocates along the axial direction of the mounting hole. The clamping strip is vertically fixed on the workbench. The second linear motion module is fixed on the workbench. The second motor is installed on the second linear motion module. The clamping jaw is horizontally arranged on the rotating shaft driven by the second motor after speed reduction. The clamping jaw cooperates with the clamping spring.

[0012] A composite bow and pulley assembly device, comprising a rack and a workbench on the rack. The workbench is provided with a bow arm moving mechanism. The bow arm moving mechanism comprises a clamp plate. Two bow arms are clamped on the clamp plate. Blocking cylinders are arranged on the two sides of the clamp plate. Blocking blocks connected to the blocking cylinders reciprocate parallel to the length direction of the bow arm. The clamp plate rotates by being driven by a first motor after speed reduction. The first motor reciprocates by being driven by a first linear motion module.

[0013] A pulley mounting mechanism, comprising an obliquely arranged pulley groove and a horizontally arranged clamping jaw. The clamping jaw is installed on the clamping jaw cylinder for clamping the pulley in the pulley groove. The clamping jaw cylinder is connected to the horizontal cylinder. The horizontal cylinder is connected to the lifting cylinder. The lifting cylinder is installed on the support plate. The support plate and the pulley groove are both supported by a plurality of fixing shafts.

[0014] A pulley shaft mounting mechanism, which is arranged side by side with the pulley mounting mechanism and comprises a pulley shaft bin below the support plate. The pulley shaft bin is suspended on the bottom plate. The bottom plate is provided with a circular groove for accommodating the pulley shaft. The front pushing cylinder is installed on the side of the bottom plate. The telescopic shaft of the front pushing cylinder reciprocates along the axial direction of the circular groove.

[0015] The sub-winding wheel mounting mechanism comprises a vibrating disc and a sub-winding wheel material plate, the sub-winding wheel material plate is provided with a horizontal sub-winding wheel material groove, the vibrating disc is used for conveying the sub-winding wheel to the sub-winding wheel material groove, the sub-winding wheel material groove is provided with a mounting hole penetrating in the vertical direction, the sub-winding wheel material plate is provided with a front air cylinder and a lower pressing air cylinder, the front air cylinder is provided with a telescopic shaft reciprocating along the length direction of the sub-winding wheel material groove, and the lower pressing air cylinder is provided with a telescopic shaft reciprocating along the axial direction of the mounting hole.

[0016] The clamping spring mounting mechanism comprises a clamping strip and a clamping vice arranged oppositely, the clamping strip is provided with a plurality of clamping springs, the clamping vice is fixed on a rotating shaft, the rotating shaft is mounted on a second linear motion module, and the clamping vice is used in cooperation with the clamping spring.

[0017] Further, the clamp plate is provided with a long groove, the long groove is embedded with a bow arm, a guide rod is movably inserted into the clamp plate, the guide rod is connected with a blocking block, a first motor is mounted on a first fixed plate and drives a mounting rod after speed reduction, the mounting rod is fixedly connected with the clamp plate, the first linear motion module is arranged on the workbench and is composed of a first screw rod mechanism driven by a first motor after speed reduction, and the first fixed plate is mounted on a first nut seat of the first screw rod mechanism.

[0018] Further, the lower end of the pulley material groove is provided with a limiting screw for limiting the pulley from sliding out, the pulley material groove is provided with a fixed shaft penetrating through, the fixed shaft is sleeved with a limiting ring to support the pulley material groove, and the fixed shaft is fixed on the workbench, the clamping jaw air cylinder and the horizontal air cylinder are mounted on a second fixed plate, the second fixed plate is connected with a lifting air cylinder and an anti-rotation rod respectively, the anti-rotation rod is in shaft cooperation with a shaft sleeve hole on the support plate, and the support plate is supported by a plurality of fixed shafts.

[0019] Further, the pulley shaft material bin is fixed on the bottom plate through a plurality of supporting rods, the bottom plate is arranged on the workbench and is provided with a plurality of fixed holes, the fixed holes are matched with the fixed shafts, the side of the bottom plate is provided with a third fixed plate, and the third fixed plate is mounted with a front pushing air cylinder.

[0020] Further, the vibrating disc is mounted on a fifth fixed plate, the fifth fixed plate is supported by a fixed rod, the sub-winding wheel material plate is fixed on a supporting column, the fixed rod and the supporting column are both mounted on the workbench, the vibrating disc is conveyed to fall into a notch in the track, the notch is located on the sub-winding wheel material groove, the front air cylinder is fixed on the side of the sub-winding wheel material plate, the lower pressing air cylinder is mounted on a fourth fixed plate, and the fourth fixed plate is mounted on the sub-winding wheel material plate.

[0021] Further, the card strip is vertically fixed on the sixth fixing plate, the rotating shaft is driven by the second motor after speed reduction, the second motor is fixed on the second mounting plate, the second linear motion module is composed of the second screw rod mechanism driven by the second motor after speed reduction and is arranged on the supporting block of the workbench, the second fixing plate is installed on the second nut seat of the second screw rod mechanism, and the sixth fixing plate is installed on the mounting plate of the second motor.

[0022] Compared with the prior art, the bow and pulley assembly installation problem in the production process can be effectively solved by using the machine automatic assembly operation to replace manual installation of the bow and pulley assembly, manual labor is saved, safety and reliability are achieved, and different clamp plates can be replaced to adapt to installation of pulley assemblies of different models. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the whole machine of the present application.

[0024] Figure 2 It is a schematic diagram of the structure of the bow arm moving mechanism of the present application.

[0025] Figure 3 It is a schematic diagram of the structure of the pulley installation mechanism of the present application.

[0026] Figure 4 It is a schematic diagram of the structure of the pulley shaft installation mechanism of the present application.

[0027] Figure 5 It is a schematic diagram of the structure of the auxiliary pulley installation mechanism of the present application.

[0028] Figure 6 It is a schematic diagram of the structure of the clamping spring installation mechanism of the present application.

[0029] Figure 7 It is a schematic diagram of the structure of the pulley bow arm of the present application.

[0030] Figure 8 It is an exploded schematic diagram of the present application. Figure 7

[0031] ​In the figure: 1, the bow arm; 2, pulley; 3, pulley shaft; 4, vice string wheel; 5, clamp spring; 6, workbench; 7, machine frame; 10, bow arm moving mechanism; 101, first linear motion module; 102, first mounting plate; 103, first motor; 105, mounting rod; 106, clamp plate; 107, long slot; 108, blocking cylinder; 109, guide rod; 110, blocking block; 20, pulley mounting mechanism; 201, fixed shaft; 202, support plate; 203, lifting cylinder; 204, first fixed plate; 205, anti-rotation rod; 206, shaft sleeve; 208, horizontal cylinder; 209, second fixed plate; 210, clamping jaw cylinder; 211, clamping jaw; 212, limit screw; 213, pulley material slot; 214, limit ring; 30, pulley shaft mounting mechanism; 301, base; 302, third fixed plate; 303, front pushing cylinder; 304, support rod; 305, pulley shaft material bin; 306, circular groove; 307, fixed hole; 40, vice string wheel mounting mechanism; 401, fixed rod; 402, support column; 403, vice string wheel material plate; 404, fourth fixed plate; 405, forward cylinder; 406, notch; 407, downward pressing cylinder; 408, track; 409, fifth fixed plate; 410, vibration plate; 411, vice string wheel material slot; 50, clamp spring mounting mechanism; 501, support block; 502, second linear motion module; 503, second mounting plate; 504, second motor; 505, rotating shaft; 506, clamp; 507, sixth fixed plate; 508, clamping strip. DETAILED DESCRIPTION

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it is necessary to point out that, unless otherwise explicitly specified and limited, the terms "fix", "mount", "connect", "set" and the like should be understood in a broad sense, for example, when an element is referred to as "fixed to" another element, it can be directly on another element or there can be a middle element. When an element is considered "mounted on" another element, it can be directly mounted on another element or there can be a middle element. When an element is considered "connected" to another element, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two elements.

[0034] For those skilled in the art, the specific meaning of the above terms in the present application can be understood in specific cases.

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0036] Embodiment one

[0037] Referring to Figures 1-6 The assembly device of the composite bow and pulley of the compound bow comprises a rack 7 and a workbench 6 on the rack 7, and the workbench 6 is provided with a bow arm moving mechanism 10, a pulley mounting mechanism 20, a pulley shaft mounting mechanism 30, a secondary pulley mounting mechanism 40 and a clamping spring mounting mechanism 50. Among them, the bow arm moving mechanism 1 is used to place the bow arm 1 and drive the bow arm 1 to advance to install other parts, the pulley mounting mechanism 20 is used to take down the pulley 2 and place the pulley 2 in the designated position, and then the pulley shaft mounting mechanism 30 is used to insert the pulley shaft 3 into the bow arm 1 and the pulley 2, the secondary pulley mounting mechanism 40 is used to install the secondary pulley 4 on the pulley shaft 3 on both sides of the bow arm 1, and then the clamping spring mounting mechanism 50 is used to complete the packaging of the clamping spring 5.

[0038] Specifically, the bow arm moving mechanism 10 comprises a clamp plate 106, two bow arms 1 are clamped on the clamp plate 106, a blocking cylinder 108 is arranged on both sides of the clamp plate 106, a blocking block 110 connected to the blocking cylinder 108 reciprocates parallel to the length direction of the bow arm 1, the clamp plate 106 rotates by driving after speed reduction of a first motor 103, and the first motor 103 reciprocates by driving a first linear motion module 101;

[0039] The pulley mounting mechanism 20 comprises an inclined pulley groove 213 and a horizontal claw 211 mounted on a clamping cylinder 210 for clamping the pulley 2 in the pulley groove 213, the clamping cylinder 210 is connected with a horizontal cylinder 208, the horizontal cylinder 208 is connected with a lifting cylinder 203, the lifting cylinder 203 is mounted on a support plate 202, and the support plate 202 and the pulley groove 213 are both supported by a plurality of fixing shafts 201;

[0040] The pulley shaft mounting mechanism 30 is arranged side by side with the pulley mounting mechanism 20 and comprises a pulley shaft bin 305 below the support plate 202, the pulley shaft bin 305 is suspended on a bottom plate, the bottom plate is processed with a circular groove 306 for accommodating the pulley shaft 3, and a front pushing cylinder 303 is mounted on the side of the bottom plate, the extension shaft of the front pushing cylinder 303 reciprocates along the axial direction of the circular groove 306;

[0041] The secondary pulley mounting mechanism 40 comprises a vibration plate 410 and a secondary pulley material plate 403, the secondary pulley material plate 403 is processed with a horizontal secondary pulley groove 411, the vibration plate 410 conveys the secondary pulley 4 to the secondary pulley groove 411, the secondary pulley groove 411 is processed with an up-and-down penetrating mounting hole, the secondary pulley material plate 403 is mounted with a front moving cylinder 405 and a downward pressing cylinder 407, the extension shaft of the front moving cylinder 405 reciprocates along the length direction of the secondary pulley groove 411, and the extension shaft of the downward pressing cylinder 407 reciprocates along the axial direction of the mounting hole;

[0042] The clamping spring mounting mechanism 50 comprises oppositely arranged clamping strips 508 and clamping pincers 506, the clamping strips 508 are clamped with a plurality of clamping springs 5, the clamping pincers 506 are fixed on a rotatable rotating shaft 505, the rotating shaft 505 is mounted on a second linear motion module 502, and the clamping pincers 506 are used in cooperation with the clamping springs 5.

[0043] The assembling process of the bow arm pulley structure of the present application is as follows: firstly, the worker installs the bow arm 1, fixes the clamp plate 106, and starts the machine; after the machine is started, the pulley installing mechanism 20 removes the pulley 2 to the set position, the pulley shaft installing mechanism 30 pushes the pulley shaft 3 into the shaft hole of the bow arm 1 and the pulley 2 for assembling, the blocking cylinder 108 on the side away from the pulley shaft installing mechanism 30 operates to control the installation position of the pulley shaft 3, the pulley installing mechanism 20 resets, and the pulley shaft installing mechanism 30 resets; then the bow arm 1 is continuously driven forward by the first linear motion module 101, and then is turned over by 90 degrees, after the turning over, the blocking cylinder 108 at the bottom of the pulley shaft 3 cannot be pulled out from the shaft hole; then the secondary string wheel installing mechanism 40 and the clamping spring installing mechanism 50 are used to install the secondary string wheel 4 and the clamping spring 5 in sequence, the installation on one side of the bow arm 1 is completed, then the above steps are repeated to complete the installation on the other side of the bow arm 1, finally the bow arm 1 is retreated and taken away manually, and one cycle of operation is completed.

[0044] Example Two

[0045] Referring to Figures 1-6 the technical scheme of Example One, a composite bow and arrow bow arm and pulley assembling device is shown in Figure 2 the clamp plate 106 is embedded with a long groove 107 for embedding the bow arm 1, a guide rod 109 is movably inserted into the clamp plate 106, the guide rod 109 is connected with a blocking block 110 to play a guiding and rotation-stopping role, the blocking block 110 linearly reciprocates to prevent the pulley shaft 3 from being pulled out from the shaft hole of the pulley 2 or the bow arm 1 during the rotation of the clamp plate 106. The first motor 103 is installed on the first fixed plate 204 and the output shaft after speed reduction is connected with the installing rod 105, the installing rod 105 is fixedly connected with the clamp plate 106, the first linear motion module 101 is arranged on the workbench 6 and is composed of a first screw rod mechanism driven by a first motor after speed reduction, and the first fixed plate 204 is installed on the first nut seat of the first screw rod mechanism. The first linear motion module 101 is a device known in the art, and will not be described in detail here.

[0046] As shown in Figure 3 the pulley 2 groove is used for storing the pulley 2, the lower end of the pulley material groove 213 is provided with a limiting screw 212 for preventing the pulley 2 from being pulled out directly from the inclined pulley material groove 213, the pulley material groove 213 is provided with a fixed shaft 201, the fixed shaft 201 is sleeved with a limiting ring 214 to support the pulley material groove 213, and the fixed shaft 201 is fixed on the workbench 6, the clamping jaw cylinder 210 and the horizontal cylinder 208 are both installed on the second fixed plate 209, the second fixed plate 209 is connected with the lifting cylinder 203 and the anti-rotation rod 205 respectively, the anti-rotation rod 205 is axially matched with the shaft sleeve 206 hole on the support plate 202 to prevent the horizontal cylinder 208 from rotating during operation, and the support plate 202 is supported by a plurality of fixed shafts 201.

[0047] As Figure 4 shown, the pulley shaft bin 305 is used to store the pulley shaft 3, and the circular groove 306 can put a single pulley shaft 3 and push it into the shaft hole of the bow arm 1 and the pulley 2 through the front pushing cylinder 303 to complete the assembly. Specifically, the pulley shaft bin 305 is fixed on the bottom plate through a plurality of supporting rods 304, the bottom plate is located on the workbench 6 and is processed with a plurality of fixing holes 307, the fixing holes 307 cooperate with the fixed shaft 201, so that the bottom plate is installed on the workbench 6, and the side of the bottom plate is provided with a third fixed plate 302, and the front pushing cylinder 303 is installed on the third fixed plate 302.

[0048] As Figure 5 shown, the vibration disc 410 is installed on the fifth fixed plate 409, which is used to store and distribute the auxiliary string wheel 4, and the fifth fixed plate 409 is supported by the fixed rod 401, and the auxiliary string wheel bin 403 is fixed on the supporting column 402. The fixed rod 401 and the supporting column 402 are both installed on the workbench 6, the vibration disc 410 is conveyed and discharged into the notch 406 through the track 408, the notch 406 is fixed on the auxiliary string wheel bin 411, the forward air cylinder 405 is fixed on the side of the auxiliary string wheel bin 403, the downward air cylinder 407 is installed on the fourth fixed plate 404, and the fourth fixed plate 404 is installed on the auxiliary string wheel bin 403. Specifically, the forward air cylinder 405 horizontally pushes the auxiliary string wheel 4 conveyed from the vibration disc 410 to the auxiliary string wheel 4 mounting hole, and then the downward air cylinder 407 vertically pushes the auxiliary string wheel 4 onto the pulley shaft 3.

[0049] As Figure 6 shown, the clamping strip 508 is vertically fixed on the sixth fixed plate 507, the rotating shaft 505 is driven by the second motor 504 after speed reduction, the second motor 504 is fixed on the second mounting plate 503, the second linear motion module 502 is arranged on the supporting block 501 of the workbench 6 and is composed of a second screw rod mechanism driven by the second motor after speed reduction, the second fixed plate 209 is installed on the second nut seat of the second screw rod mechanism, and the sixth fixed plate 507 is installed on the mounting plate of the second motor. Specifically, two clamps 506 are arranged on the clamping strip 508, the clamps 506 are moved to the clamping strip 508 and then retreat to take down the clamping spring 5, at the same time, the second motor 504 rotates by 180 degrees, the clamps 506 with the clamping spring 5 are reversed and close to the pulley shaft 3, and finally the clamping spring 5 is installed into the pulley shaft 3.

[0050] Example three

[0051] Referring to Figures 1-6 the technical scheme of the above embodiment, a composite bow and pulley assembly method, comprising the following steps:

[0052] S1. Clamping arch arm 1, two arch arms 1 are fixed on the clamp plate 106 respectively, generally by workers to install arch arm 1, the clamp plate 106 is provided with a limiting assembly, the clamp plate 106 can rotate and linear motion;

[0053] S2. Install pulley 2 and pulley shaft 3, the clamp plate 106 linearly moves forward and keeps horizontal, the pulley 2 is clamped from the pulley groove 213 to between the two arch arms 1, the pulley shaft 3 is fed from the pulley shaft bin 305 and is pushed to simultaneously penetrate the two arch arms 1 and the pulley 2, the limiting assembly respectively limits the two ends of the pulley shaft 3;

[0054] S3. Install the secondary pulley 4 and the snap spring 5, the clamp plate 106 linearly moves forward and turns over 90 degrees, the limiting assembly moves away from the upper end of the pulley shaft 3, the secondary pulley 4 is fed from the vibration disc 410 and is pressed onto the pulley shaft 3, the snap spring 5 is taken out from the clamping strip 508 and is clamped on the pulley shaft 3, the clamp plate 106 turns over 180 degrees, the installation operation of the secondary pulley 4 and the snap spring 5 is repeated, the clamp plate 106 linearly moves back to the original position, and the pulley arch arm structure is taken out.

[0055] In S1 step, the two sides of the clamp plate 106 are respectively provided with a limiting assembly, the limiting assembly includes a blocking cylinder 108 and a blocking block 110, the blocking cylinder 108 drives the blocking block 110 to reciprocate along the length direction of the arch arm 1, the clamp plate 106 is fixed on the mounting rod 105 driven by the first motor 103 after speed reduction, the first motor 103 is installed on the first linear motion module 101, and the first linear motion module 101 is arranged on the workbench 6 of the rack 7.

[0056] In S2 step, the pulley groove 213 is inclinedly arranged above the workbench 6 of the rack 7, the supporting plate 202 is suspended on the workbench 6, the lifting cylinder 203 is installed on the supporting plate 202, the horizontal cylinder 208 is connected below the lifting cylinder 203, the clamping jaw cylinder 210 is connected to the horizontal cylinder 208, and the clamping jaw 211 capable of clamping the pulley 2 is arranged on the clamping jaw cylinder 210; the pulley shaft bin 305 is provided with a circular groove 306 containing the pulley shaft 3 below, and the circular groove 306 is arranged on the bottom plate, the bottom plate is arranged on the workbench 6 and is provided with the front pushing cylinder 303, and the telescopic shaft of the front pushing cylinder 303 reciprocates along the axial direction of the circular groove 306.

[0057] In step S3, the vibratory feeder 410 is positioned above the workbench 6 of the frame 7. The vibratory feeder 410 transports the secondary chord wheel 4 to the secondary chord wheel groove 411 machined on the secondary chord wheel material plate 403 via the track 408. The secondary chord wheel groove 411 is horizontally oriented and has through-holes. The secondary chord wheel material plate 403 is equipped with a forward cylinder 405 and a downward cylinder 407. The telescopic shaft of the forward cylinder 405 reciprocates along the length of the secondary chord wheel groove 411, and the telescopic shaft of the downward cylinder 407 reciprocates along the axial direction of the mounting hole. The clamping strip 508 is vertically fixed on the workbench 6. A second linear motion module 502 is fixed on the workbench 6. A second motor 504 is mounted on the second linear motion module 502. After the second motor 504 slows down, a clamp 506 is horizontally mounted on the rotating shaft 505 driven by the second motor 504. The clamp 506 cooperates with the retaining spring 5.

[0058] like Figures 7-8 As shown, the overall composition of the pulley bow arm structure is as follows: two bow arms 1 arranged side by side are connected by a pulley shaft 3. A pulley 2 passes through the pulley shaft 3 between the two bow arms 1, while a secondary string wheel 4 is fitted on the pulley shaft 3 located outside the bow arm 1 and a retaining spring 5 is clamped thereon. The two ends of the pulley shaft 3 are respectively machined with grooves that cooperate with the retaining spring 5.

[0059] In the device of this invention, the assembly and coordination relationships of the various components, such as the motor, cylinder, lead screw mechanism, and supporting control software, are existing technologies or materials. The relevant technical personnel can directly purchase or order them from the market according to the required product model and specifications.

[0060] All electrical components mentioned in the text are connected to an external main controller and 220V AC mains power or industrial power. The main controller can be a conventional known device such as a computer that plays a control role.

[0061] The above description is merely a preferred embodiment of the present invention, and common knowledge regarding specific structures and characteristics in the solutions is not described in detail here. It will be apparent to those skilled in the art that the present invention is not limited to the details of the above embodiments, and that the present invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solutions and inventive concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. A method of assembling a composite bow compound bow arm and pulley, comprising: The method comprises the following steps: S1. Clamping the arch arm (1), two arch arms (1) are respectively fixed on the clamp plate (106), the clamp plate (106) is provided with a limiting assembly, the clamp plate (106) can rotate and move linearly, the two sides of the clamp plate (106) are respectively provided with a limiting assembly, the limiting assembly comprises a blocking cylinder (108) and a blocking block (110), the blocking cylinder (108) drives the blocking block (110) to reciprocate along the length direction of the arch arm (1), the clamp plate (106) is fixed on the mounting rod (105) driven by the first motor (103) after speed reduction, the first motor (103) is installed on the first linear motion module (101), and the first linear motion module (101) is arranged on the workbench (6) of the rack (7); S2. Installing the pulley (2) and the pulley shaft (3), the clamp plate (106) moves linearly forward and remains horizontal, the pulley (2) is clamped from the pulley material groove (213) to between the two arch arms (1), the pulley shaft (3) is pushed from the pulley shaft material bin (305) to simultaneously penetrate the two arch arms (1) and the pulley (2), the limiting assembly respectively limits and blocks the two ends of the pulley shaft (3), the pulley material groove (213) is obliquely arranged above the workbench (6) of the rack (7), the support plate (202) is suspended on the workbench (6), the lifting cylinder (203) is installed on the support plate (202), the horizontal cylinder (208) is connected below the lifting cylinder (203), the clamping jaw cylinder (210) is connected to the horizontal cylinder (208), the clamping jaw cylinder (210) is provided with the clamping jaw (211) capable of clamping the pulley (2), the pulley shaft material bin (305) is provided below with the circular groove (306) for accommodating the pulley shaft (3), the circular groove (306) is arranged on the bottom plate, the bottom plate is arranged on the workbench (6) and is provided with the front pushing cylinder (303), and the telescopic shaft of the front pushing cylinder (303) reciprocates along the axial direction of the circular groove (306). S3. The vice string wheel (4) and the clamp spring (5) are installed, the clamp plate (106) is linearly moved forward and turned over by 90 degrees, the limiting assembly is moved away from the upper end of the pulley shaft (3), the vice string wheel (4) is fed from the vibration disc (410) and is pressed down on the pulley shaft (3), the clamp spring (5) is taken out from the clamp strip (508) and is clamped on the pulley shaft (3), the clamp plate (106) is turned over by 180 degrees, the installation operation of the vice string wheel (4) and the clamp spring (5) is repeated, the clamp plate (106) is linearly moved back to the original position, the pulley bow arm structure is taken out, the vibration disc (410) is arranged above the workbench (6) of the rack (7), the vibration disc (410) feeds the vice string wheel (4) to the vice string wheel material groove (411) machined on the vice string wheel material plate (403) through the track (408), the vice string wheel material groove (411) is horizontally arranged and is machined with an installation hole penetrating up and down, the vice string wheel material plate (403) is provided with an advancing cylinder (405) and a pressing cylinder (407), the advancing cylinder (405) reciprocates along the length direction of the vice string wheel material groove (411), the pressing cylinder (407) reciprocates along the axial direction of the installation hole, the clamp strip (508) is vertically fixed on the workbench (6), the workbench (6) is fixed with a second linear motion module (502), the second linear motion module (502) is provided with a second motor (504), the second motor (504) is provided with a clamp jaw (506) on the horizontal shaft driven after speed reduction, and the clamp jaw (506) is matched with the clamp spring (5).

2. A device for assembling limbs and pulleys of a compound bow comprising a frame (7) and a worktable (6) on the frame (7), characterized in that, The workbench (6) is provided with a bow arm moving mechanism (10), the bow arm moving mechanism (10) comprises a clamp plate (106), two bow arms (1) are clamped on the clamp plate (106), a blocking cylinder (108) is arranged on the two sides of the clamp plate (106) respectively, a blocking block (110) connected with the blocking cylinder (108) reciprocates parallel to the length direction of the bow arm (1), the clamp plate (106) rotates by being driven by a first motor (103) after speed reduction, and the first motor (103) reciprocates by being driven by a first linear motion module (101); The pulley installation mechanism (20) comprises an inclined pulley material groove (213) and a horizontal clamp jaw (211), the clamp jaw (211) is installed on a clamp jaw cylinder (210) for clamping the pulley (2) in the pulley material groove (213), the clamp jaw cylinder (210) is connected with a horizontal cylinder (208), the horizontal cylinder (208) is connected with a lifting cylinder (203), the lifting cylinder (203) is installed on a support plate (202), and the support plate (202) and the pulley material groove (213) are both supported by a plurality of fixing shafts (201). The pulley shaft mounting mechanism (30) is arranged side by side with the pulley mounting mechanism (20) and comprises a pulley shaft stock bin (305) below the support plate (202), the pulley shaft stock bin (305) is suspended on the bottom plate, the bottom plate is processed with a circular groove (306) for accommodating the pulley shaft (3), the front pushing air cylinder (303) is mounted on the side of the bottom plate, and the telescopic shaft of the front pushing air cylinder (303) reciprocates along the axial direction of the circular groove (306); The auxiliary bow mounting mechanism (40) comprises a vibration disc (410) and an auxiliary bow stock plate (403), the auxiliary bow stock plate (403) is processed with an auxiliary bow stock groove (411) in the horizontal direction, the vibration disc (410) conveys the auxiliary bow (4) to the auxiliary bow stock groove (411), the auxiliary bow stock groove (411) is processed with an installation hole penetrating up and down, the front advancing air cylinder (405) and the downward pressing air cylinder (407) are mounted on the auxiliary bow stock plate (403), the telescopic shaft of the front advancing air cylinder (405) reciprocates along the length direction of the auxiliary bow stock groove (411), and the telescopic shaft of the downward pressing air cylinder (407) reciprocates along the axial direction of the installation hole; The clamping spring mounting mechanism (50) comprises oppositely arranged clamping strips (508) and clamping pincers (506), the clamping strips (508) are clamped with a plurality of clamping springs (5), the clamping pincers (506) are fixed on a rotatable rotating shaft, the rotating shaft is mounted on the second linear motion module (502), and the clamping pincers (506) are used in cooperation with the clamping springs (5).

3. The assembly of a compound bow arm and pulley of claim 2, wherein, The clamp plate (106) is processed with a long groove (107), the long groove (107) is embedded with the bow arm (1), the guide rod (109) is movably inserted into the clamp plate (106), the guide rod (109) is connected with the blocking block (110), the first motor (103) is mounted on the first fixed plate (204) and drives the mounting rod (105) after speed reduction, the mounting rod (105) is fixedly connected with the clamp plate (106), the first linear motion module (101) is arranged on the workbench (6) and is composed of a first screw rod mechanism driven by the first motor after speed reduction, and the first fixed plate (204) is mounted on the first nut seat of the first screw rod mechanism.

4. The assembly of a compound bow arm and pulley of claim 2, wherein, The lower end of the pulley stock groove (213) is provided with a limiting screw (212) for preventing the pulley (2) from sliding out, the pulley stock groove (213) is provided with a fixed shaft (201) penetrating through, the fixed shaft (201) is sleeved with a limiting ring (214) to support the pulley stock groove (213), and the fixed shaft (201) is fixed on the workbench (6); the clamping jaw air cylinder (210) and the horizontal air cylinder (208) are both mounted on the second fixed plate (209), the second fixed plate (209) is connected with the lifting air cylinder (203) and the anti-rotation rod (205) respectively, the anti-rotation rod (205) is in shaft cooperation with the shaft sleeve (206) hole on the support plate (202), and the support plate (202) is supported through a plurality of fixed shafts (201).

5. The assembly of a compound bow arm and pulley of claim 2, wherein, The vibrating disc (410) is installed on the fifth fixed plate (409), the fifth fixed plate (409) is supported by the fixed rod (401), the auxiliary cam plate (403) is fixed on the supporting column (402), the fixed rod (401) and the supporting column (402) are both installed on the work table (6), the vibrating disc (410) is conveyed and discharged into the notch (406) through the track (408), the notch (406) is located on the auxiliary cam material groove (411), the forward air cylinder (405) is fixed on the side of the auxiliary cam plate (403), the pressing air cylinder (407) is installed on the fourth fixed plate (404), and the fourth fixed plate (404) is installed on the auxiliary cam plate (403).

6. The assembly of a compound bow arm and pulley of claim 2, wherein, The card strip (508) is vertically fixed on the sixth fixed plate (507), the rotating shaft is driven by the second motor (504) after speed reduction, the second motor (504) is fixed on the second mounting plate (503), the second linear motion module (502) is arranged on the supporting block (501) of the work table (6) and is composed of a second screw rod mechanism driven by a second motor after speed reduction, the second fixed plate (209) is installed on the second nut seat of the second screw rod mechanism, and the sixth fixed plate (507) is installed on the mounting plate of the second motor.

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