Automatic assembly machine for daily chemical spray pump

Abstract

The application discloses a kind of daily chemical spray pump automatic assembly machine, it is related to automatic assembly machine field.The adjusting seat inside is equipped with adjusting mechanism for the position of placing block according to different diameter spray pump head adjustment, the placing block inside is equipped with the positioning deviation-preventing mechanism for preventing spray pump head deviation, the adjusting seat is equipped with the buffer mechanism for preventing spray pump head breakage by rigid extrusion between fixed seat.The application can be adapted to different diameter spray pump head quick change by setting adjusting mechanism and positioning deviation-preventing mechanism, improve equipment versatility and production efficiency, can be positioned to spray pump deviation-preventing, improve assembly coaxiality and finished product qualification rate, while using flexible buffer structure avoids workpiece extrusion breakage, multi-specification adaptability is strong, whole machine operation is stable, can satisfy continuous automatic assembly production demand.

Description

Technical Field

[0001] This invention relates to the field of automatic assembly machine technology, specifically to an automatic assembly machine for daily chemical spray pumps. Background Technology

[0002] Daily chemical spray pumps are core components of packaging containers for cosmetics, toiletries, and disinfection products. Their structure includes multiple parts such as pump head, pump core, spring, suction tube, and sealing cap. They need to be pressed and assembled by specialized automatic assembly equipment. They are an indispensable key piece of equipment in the daily chemical product production line. Currently, multi-station rotary automatic assembly machines are widely used in the industry and have become the mainstream equipment for mass production of daily chemical spray pumps.

[0003] The existing automatic assembly machine for daily chemical spray pumps mainly consists of an assembly machine body, a multi-station turntable, a placement base, a feeding robot, and a top assembly pressure head. Its working process is as follows: the multi-station turntable rotates intermittently, and the robot places various spray pump parts sequentially on the placement base array arranged on the turntable surface. After the workpiece is transferred to the assembly station, the side wall drive cylinder drives the assembly pressure head to press down vertically, completing the pressing and assembly of each component of the spray pump. It has a high degree of automation and stable assembly rhythm, and is suitable for large-scale production line production. It is widely used in the field of daily chemical packaging manufacturing.

[0004] However, the existing assembly machines mostly have fixed placement bases, and their size and clamping distance are not easy to adjust. There are many specifications of daily chemical spray pumps, and the pump head diameter and size of different product categories vary greatly. When switching to assembling production with spray pumps of different sizes, the machine must be stopped and the original placement base must be manually disassembled, a matching base replaced, and re-aligned and adjusted. The operation is cumbersome and time-consuming, and it will also significantly reduce production efficiency and make it difficult to meet the requirements of automated assembly production. Summary of the Invention

[0005] The purpose of this invention is to provide an automatic assembly machine for daily chemical spray pumps to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic assembly machine for daily chemical spray pumps, comprising an assembly machine body, a multi-station turntable on the surface of the assembly machine body, fixed seats arranged in an array on the surface of the multi-station turntable, an adjusting seat on the surface of the fixing seat, and a placement block for placing spray pump heads on the surface of the adjusting seat, an adjusting mechanism inside the adjusting seat for adjusting the position of the placement block according to spray pump heads of different diameters, a driving cylinder fixedly installed on the side wall of the assembly machine body, an assembly pressure head fixedly installed at the output end of the driving cylinder, and the output direction of the driving cylinder being perpendicular to the multi-station turntable, a positioning and anti-deviation mechanism inside the placement block for preventing the spray pump head from shifting, and a buffer mechanism between the adjusting seat and the fixing seat for preventing the spray pump head from being damaged by hard compression.

[0007] Preferably, the placement blocks are distributed in three groups at equal angles on the surface of the adjusting seat, and the top of the placement block is in contact with the bottom of the spray pump head, and the outer wall of the placement block on the side near the spray pump head is arc-shaped.

[0008] Preferably, the adjusting mechanism includes an adjusting turntable rotatably mounted inside the adjusting seat, with a connecting rod hinged to the side wall of the adjusting turntable, an adjusting slider slidably mounted on the outer wall of the adjusting turntable, and an adjusting worm gear and an adjusting worm installed inside the adjusting seat via bearings, with an adjusting knob at the end of the adjusting worm gear.

[0009] Preferably, the cross-section of the adjusting slider is inverted T-shaped, and there are three sets of adjusting sliders distributed at equal angles. The top of the adjusting slider is fixedly connected to the bottom of the placement block. The connecting rod is distributed at equal angles on the side wall of the adjusting turntable, and the end of the connecting rod away from the adjusting turntable is hinged to the bottom of the adjusting slider.

[0010] Preferably, the top of the adjusting worm wheel is fixedly connected to the bottom of the adjusting turntable, the adjusting worm is arranged parallel to the adjusting seat, and the adjusting worm is meshed with the adjusting worm wheel.

[0011] Preferably, the positioning and anti-deviation mechanism includes a positioning clamp block slidably mounted on the side wall of the placement block, and the outer walls on both sides of the positioning clamp block are provided with symmetrically distributed sliding protrusions. A positioning piston cylinder is fixedly installed inside the placement block, and a positioning piston rod is slidably mounted on the end of the positioning piston cylinder, and an installation block is fixedly mounted on the end of the positioning piston rod.

[0012] Preferably, a drive piston cylinder is fixedly installed on the surface of the multi-station turntable, and a drive piston rod is slidably installed on the top of the drive piston cylinder. A return spring is sleeved on the outer wall of the drive piston rod. A connecting conduit is fixedly installed at the end of the drive piston cylinder, and the end of the connecting conduit away from the drive piston cylinder is connected to the end of the positioning piston cylinder. A drive pressure rod is fixedly installed on the side wall of the assembly pressure block, and the bottom of the end of the drive pressure rod away from the assembly pressure block abuts against the top of the drive piston rod.

[0013] Preferably, the end of the positioning clamp is slidably connected to the mounting block, and the mounting block is slidably connected to the placement block. The end of the positioning clamp away from the mounting block is provided with a rubber pad. The placement block has a guide groove inside, and the cross-section of the guide groove is designed with an obtuse angle. The guide groove is adapted to the sliding protrusion.

[0014] Preferably, the buffer mechanism includes an adjusting pad that is slidably installed inside the fixed seat, and the surface of the adjusting pad is provided with a buffer spring. An adjusting screw is rotatably installed inside the fixed seat, and a transmission rod is fixedly installed at the bottom of the adjusting worm gear.

[0015] Preferably, the adjusting pad is rectangular in shape, and the center of the adjusting pad is threadedly connected to the adjusting screw. The end of the buffer spring away from the adjusting pad abuts against the bottom of the adjusting seat, and the adjusting seat is slidably connected to the fixed seat. The transmission rod has a hexagonal cross-section and is slidably connected to the adjusting screw.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This invention enables rapid adaptation of spray pump heads of different diameters by setting an adjustable placement structure on a multi-station turntable. It eliminates the need to stop the machine to disassemble and replace the fixtures, saving the tedious steps of manual disassembly and repeated alignment and debugging. It effectively solves the problems of time-consuming model changeover and low production efficiency of traditional assembly machines, and greatly improves the equipment's versatility and production efficiency.

[0018] 2. This invention, by setting up a positioning and anti-deviation mechanism, uses air pressure linkage to achieve automatic centering and pull-down limit before assembly, which can lock and position the spray pump head in both directions, effectively avoiding pump head deviation, skewness, and displacement during the pressing process, and improving the coaxiality of the assembly of various components; at the same time, with the flexible contact of the guide slide and the rubber pad, it avoids clamping damage to the workpiece, and significantly improves the assembly qualification rate of the spray pump.

[0019] 3. By setting a buffer mechanism between the adjusting seat and the fixed seat, the elastic deformation of the buffer spring can absorb the impact load when the assembly is under pressure overload, replacing hard compression with flexible buffering, effectively preventing the daily chemical spray pump from cracking, deforming, or being crushed and damaged; at the same time, the buffer mechanism and the specification adjustment mechanism work in conjunction and synchronously, automatically matching the preload of the buffer spring when changing spray pumps of different specifications, and the buffer protection requirements can be adapted to workpieces of all sizes, and the sliding connection structure of the transmission rod does not affect the vertical buffer stroke, the whole machine runs stably, the workpiece protection effect is good, and it can meet the continuous automated assembly production of spray pumps of multiple specifications. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic diagram of the assembly of the pressure head and the placement block structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the positioning and anti-deviation mechanism of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the fixing seat, adjusting seat, and placement block of the present invention;

[0024] Figure 5 This is a schematic diagram of the cross-sectional structure of the adjusting seat of the present invention;

[0025] Figure 6 This is a schematic diagram of the adjustment mechanism structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the buffer mechanism structure of the present invention;

[0027] Figure 8 This is a schematic diagram of the cross-sectional structure of the fixing base and adjusting screw of the present invention;

[0028] Figure 9 This is a schematic diagram of the cross-sectional structure of the placement block of the present invention;

[0029] Figure 10 This is a schematic diagram of the guide groove structure of the present invention;

[0030] Figure 11 This is a schematic diagram of the fixed clamping block structure of the present invention.

[0031] In the diagram: 1. Assembly machine body; 12. Drive cylinder; 13. Assembly pressure head; 14. Multi-station turntable; 2. Fixed base; 3. Adjustment base; 4. Placement block; 5. Adjustment turntable; 51. Connecting rod; 52. Adjustment slider; 53. Adjustment worm gear; 54. Adjustment worm; 55. Adjustment knob; 6. Positioning clamp; 61. Sliding protrusion; 62. Guide groove; 7. Positioning piston cylinder; 71. Positioning piston rod; 72. Mounting block; 73. Drive piston cylinder; 74. Drive piston rod; 75. Return spring; 76. Connecting conduit; 8. Drive pressure rod; 9. Adjustment pad; 91. Buffer spring; 92. Adjustment screw; 93. Transmission rod. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see Figures 1-11The present invention provides the following technical solution: an automatic assembly machine for daily chemical spray pumps, comprising an assembly machine body 1, a multi-station turntable 14 on the surface of the assembly machine body 1, fixed seats 2 arranged in an array on the surface of the multi-station turntable 14, an adjusting seat 3 on the surface of the fixed seat 2, and a placement block 4 for placing a spray pump head on the surface of the adjusting seat 3, the placement block 4 being arranged in three groups at equal angles on the surface of the adjusting seat 3, the top of the placement block 4 contacting the bottom of the spray pump head, and the outer wall of the placement block 4 near the spray pump head having an arc-shaped design; the adjusting seat 3 having an adjusting mechanism inside for adjusting the position of the placement block 4 according to spray pump heads of different diameters, a driving cylinder 12 fixedly installed on the side wall of the assembly machine body 1, and an assembly pressure head 13 fixedly installed at the output end of the driving cylinder 12, the output direction of the driving cylinder 12 being perpendicular to the multi-station turntable 14, a positioning and anti-deviation mechanism inside the placement block 4 for preventing the spray pump head from shifting, and a buffer mechanism between the adjusting seat 3 and the fixed seat 2 for preventing the spray pump head from being damaged by hard compression.

[0034] As one embodiment of the present invention, the adjustment mechanism includes an adjustment turntable 5 rotatably installed inside the adjustment seat 3, and a connecting rod 51 is hinged to the side wall of the adjustment turntable 5. An adjustment slider 52 is slidably installed on the outer wall of the adjustment turntable 5. An adjustment worm gear 53 and an adjustment worm 54 are installed inside the adjustment seat 3 through bearings, and an adjustment knob 55 is provided at the end of the adjustment worm 54.

[0035] As one embodiment of the present invention, the cross section of the adjusting slider 52 is designed in an inverted T shape, and the adjusting slider 52 is distributed in three groups at equal angles. The top of the adjusting slider 52 is fixedly connected to the bottom of the placement block 4. The connecting rod 51 is distributed at equal angles on the side wall of the adjusting turntable 5, and the end of the connecting rod 51 away from the adjusting turntable 5 is hinged to the bottom of the adjusting slider 52.

[0036] In one embodiment of the present invention, the top end of the adjusting worm wheel 53 is fixedly connected to the bottom of the adjusting turntable 5, the adjusting worm 54 is arranged parallel to the adjusting seat 3, and the adjusting worm 54 is meshed with the adjusting worm wheel 53.

[0037] The operator can turn the adjustment knob 55 to drive the adjustment worm 54 to rotate on a fixed axis inside the adjustment seat 3. Utilizing the meshing transmission characteristics of the worm and worm wheel, the adjustment worm wheel 53 is driven to rotate synchronously at a low speed. The adjustment worm wheel 53 synchronously drives the adjustment turntable 5 fixed at the top to rotate together. During the rotation of the adjustment turntable 5, the three sets of adjustment sliders 52 are pushed and pulled synchronously along the radial direction of the adjustment seat 3 by multiple sets of circumferentially arranged connecting rods 51. The inverted T-shaped adjustment sliders 52 slide smoothly without deviation, thereby synchronously changing the enclosing distance of the three sets of placement blocks 4 to adapt to the placement and positioning of spray pump heads with different outer diameter specifications. There is no need to disassemble or replace the clamps, and the specification adjustment is convenient.

[0038] As one embodiment of the present invention, the positioning anti-deviation mechanism includes a positioning clamping block 6 slidably installed on the side wall of the placement block 4, and the outer walls on both sides of the positioning clamping block 6 are provided with symmetrically distributed sliding protrusions 61. A positioning piston cylinder 7 is fixedly installed inside the placement block 4, and a positioning piston rod 71 is slidably installed at the end of the positioning piston cylinder 7, and an installation block 72 is fixedly installed at the end of the positioning piston rod 71.

[0039] In one embodiment of the present invention, a drive piston cylinder 73 is fixedly installed on the surface of the multi-station turntable 14, and a drive piston rod 74 is slidably installed on the top end of the drive piston cylinder 73. A return spring 75 is sleeved on the outer wall of the drive piston rod 74. A connecting conduit 76 is fixedly installed at the end of the drive piston cylinder 73, and the end of the connecting conduit 76 away from the drive piston cylinder 73 is connected to the end of the positioning piston cylinder 7. A drive pressure rod 8 is fixedly installed on the side wall of the assembly pressure head 13, and the bottom of the end of the drive pressure rod 8 away from the assembly pressure head 13 abuts against the top of the drive piston rod 74.

[0040] In one embodiment of the present invention, the end of the positioning clamping block 6 is slidably connected to the mounting block 72, and the mounting block 72 is slidably connected to the placement block 4. The end of the positioning clamping block 6 away from the mounting block 72 is provided with a rubber pad. The placement block 4 is provided with a guide groove 62 inside, and the cross section of the guide groove 62 is designed with an obtuse angle. The guide groove 62 is adapted to the sliding protrusion 61.

[0041] When the drive cylinder 12 drives the assembly pressure head 13 downward, the drive pressure rod 8 first contacts and presses down the drive piston rod 74. The drive piston rod 74 moves down along the inner wall of the drive piston cylinder 73 and compresses the return spring 75. The gas inside the drive piston cylinder 73 is transported to the inside of the positioning piston cylinder 7 through the connecting conduit 76, pushing the positioning piston rod 71 to extend outward, causing the mounting block 72 and the positioning clamping block 6 to move towards the spray pump head synchronously. The sliding protrusions 61 on both sides of the positioning clamping block 6 are limited by the obtuse-angled guide grooves 62. The pump head is first horizontally centered and then slid down slightly at the inflection point of the slide groove, forming a double limit for clamping and pulling down the spray pump head. The end rubber pad flexibly fits against the outer wall of the pump head, which not only avoids rigid clamping damage but also effectively prevents the pump head from shifting or tilting during assembly and pressing. When the assembly pressure head 13 moves upward and resets, the reset spring 75 pushes up the drive piston rod 74, creating a negative pressure inside the piston cylinder, which draws in the gas inside the positioning piston cylinder 7, pulling the positioning clamp 6 to slide in the opposite direction and open, automatically releasing the clamping and limiting of the spray pump head.

[0042] As one embodiment of the present invention, the buffer mechanism includes an adjusting pad 9 that is slidably installed inside the fixed seat 2, and a buffer spring 91 is provided on the surface of the adjusting pad 9. An adjusting screw 92 is rotatably installed inside the fixed seat 2, and a transmission rod 93 is fixedly installed at the bottom of the adjusting worm gear 53.

[0043] In one embodiment of the present invention, the adjusting pad 9 is rectangular in shape, and the center of the adjusting pad 9 is threadedly connected to the adjusting screw 92. The end of the buffer spring 91 away from the adjusting pad 9 abuts against the bottom of the adjusting seat 3, and the adjusting seat 3 is slidably connected to the fixed seat 2. The transmission rod 93 has a hexagonal cross section, and the transmission rod 93 is slidably connected to the adjusting screw 92.

[0044] While adjusting the spray pump specification spacing by rotating the worm gear 53, the hexagonal transmission rod 93 at the bottom of the worm gear 53 rotates synchronously. The transmission rod 93 slides into the top of the adjusting screw 92 and transmits torque, driving the adjusting screw 92 to rotate, which in turn drives the threaded adjusting pad 9 to rise and fall vertically. When assembling a large-size, heavy-duty spray pump, the adjusting pad 9 moves upward to compress the buffer spring 91, increasing the preload of the buffer spring 91 and improving the impact buffering effect. When assembling a small-size, light-duty spray pump, the adjusting pad 9 moves downward to release the preload of the buffer spring 91, adapting to the pressure protection requirements of light workpieces. At the same time, the transmission rod 93 and the adjusting screw 92 are axially sliding fit structures, which only transmit rotational power and do not restrict vertical displacement. When assembling the downward pressure buffer, the adjusting seat 3 slides vertically along the fixed seat 2 without interference from the transmission rod 93 and the adjusting screw 92, ensuring smooth and stable buffer stroke, effectively absorbing the downward pressure overload impact force, and preventing the spray pump from being damaged by hard compression.

[0045] Working principle: When this automatic assembly machine for daily chemical spray pumps is working, the main body 1 of the assembly machine serves as the support base. First, the external feeding robot places the components to be assembled from the daily chemical spray pump onto the top surface of the fixed seats 2 arranged in an array above the multi-station turntable 14. These fixed seats 2 are placed between three sets of placement blocks 4 distributed at equal angles on the surface of the adjusting seat 3 for initial support and limiting, preventing the workpieces from tipping over or shifting, thus preparing for subsequent positioning and pressing operations. After the workpieces at each station are loaded, the multi-station turntable 14 rotates intermittently according to the set production rhythm, transferring the fixed seats 2 and adjusting seats 3, which are loaded with spray pump components, to a precise stop directly below the assembly press head 13 below the output end of the drive cylinder 12, thus entering the formal assembly station.

[0046] At this time, the drive cylinder 12, which is fixedly installed on the side wall of the assembly machine body 1, starts to work. The output end of the drive cylinder 12 extends vertically downward, driving the assembly pressure head 13 to descend at a constant speed. During the downward movement of the assembly pressure head 13, the drive rod 8 fixed on its side wall will first contact the top of the drive piston rod 74 installed on the top surface of the multi-station turntable 14. As the assembly pressure head 13 continues to feed downward, the drive rod 8 gradually squeezes the drive piston rod 74 downward, causing the drive piston rod 74 to slide vertically downward along the inner wall of the drive piston cylinder 73. At the same time, it compresses the return spring 75 fitted on the outer wall of the drive piston rod 74 and stores its energy. The sealed cavity inside the drive piston cylinder 73 is squeezed by the piston to form a positive pressure airflow. The high-pressure gas is directionally transported to the positioning piston cylinder 7 cavity inside the placement block 4 through the connecting conduit 76. After the high-pressure gas enters the positioning piston cylinder 7, it pushes the positioning piston rod 71 to extend horizontally outward. The fixed mounting block 72 moves synchronously; the mounting block 72 slides with the positioning clamping block 6, thereby synchronously driving the three sets of positioning clamping blocks 6 to converge and feed towards the central spray pump head; the sliding protrusions 61 symmetrically arranged on both sides of the positioning clamping block 6 are embedded in the obtuse-angled guide groove 62 opened inside the placement block 4 for limited sliding. The special obtuse-angle trajectory of the guide groove 62 causes the positioning clamping block 6 to first move closer along the horizontal radial direction, automatically centering and limiting the spray pump head. When the sliding protrusion 61 slides to the bent end of the guide groove 62, the positioning clamping block 6 will generate a vertical downward sliding displacement, forming a slight downward pulling and tightening effect on the spray pump head; at the same time, the rubber pad at the end of the positioning clamping block 6 flexibly fits the outer wall of the pump head, which not only avoids rigidly clamping the workpiece, but also forms a double limit from radial clamping and vertical downward pulling, preventing the spray pump head from shifting, tilting, or moving during the subsequent pressing process, ensuring assembly coaxiality and assembly quality;

[0047] While the spray pump head completes centering and anti-deviation clamping, the drive cylinder 12 drives the assembly pressure head 13 to vertically press and clamp the spray pump components, completing the press assembly of the spray pump. If excessive cylinder pressure, workpiece size error, or downward stroke deviation occurs during the assembly pressing process, resulting in excessive hard extrusion pressure, the adjusting seat 3 can form a vertical sliding fit with the fixed seat 2. The adjusting seat 3 slides down along the inner wall of the fixed seat 2, and the buffer spring 91 in the extrusion buffer mechanism undergoes elastic deformation. The flexible deformation of the buffer spring 91 absorbs the downward impact load, replacing rigid hard contact, effectively preventing the plastic pump head and internal sealing parts of the daily chemical spray pump from cracking, deforming, or breaking due to hard extrusion, thus playing a reliable buffer protection role.

[0048] After the spray pump pressing and assembly process is completed, the drive cylinder 12 drives the assembly pressure head 13 to synchronously return upwards to reset. The drive pressure rod 8 on the side wall of the assembly pressure head 13 is raised accordingly, releasing the downward pressure constraint on the drive piston rod 74. The previously compressed and stored return spring 75 releases its elastic potential energy, pushing the drive piston rod 74 to spring back upwards along the inner wall of the drive piston cylinder 73. The inner volume of the drive piston cylinder 73 increases, creating a negative pressure. The negative pressure is drawn into the positioning piston cylinder 7 through the connecting conduit 76, pulling the positioning piston rod 71 inwards and causing the mounting block 72 to be pulled. The positioning clamp 6 slides and opens in the opposite direction along the guide groove 62, releasing the clamping limit on the spray pump head and returning to the initial standby state; after the positioning anti-deviation mechanism is fully reset, the multi-station turntable 14 starts indexing rotation again, transferring the finished spray pump assembled at this station out of the assembly station and flowing to unloading and the next inspection process; at the same time, the fixed seat 2 and adjusting seat 3 of the next station, which are equipped with the parts to be assembled, are transferred into the lower part of the assembly pressure head 13, and the entire process of feeding, positioning, pressing, buffering, resetting and rotating is repeated in a cycle, realizing uninterrupted automated batch assembly production of daily chemical spray pumps;

[0049] When production changes and needs to be adapted to the assembly of spray pumps of different diameters and sizes, the operator manually turns the adjustment knob 55. The adjustment knob 55 drives the adjustment worm 54 to rotate on a fixed axis inside the adjustment seat 3. The adjustment worm 54 meshes with the adjustment worm wheel 53, driving the adjustment worm wheel 53 to rotate at a low speed. The top of the adjustment worm wheel 53 is fixedly connected to the adjustment turntable 5, so that the adjustment turntable 5 rotates synchronously and coaxially. Multiple sets of connecting rods 51 are hinged at equal angles on the side wall of the adjustment turntable 5. The end of the connecting rod 51 away from the adjustment turntable 5 is respectively hinged to the bottom of three sets of adjustment sliders 52. As the adjustment turntable 5 rotates and swings, the connecting rods 51 push and pull the three sets of adjustment sliders 52 to slide equidistantly along the radial direction of the adjustment seat 3. The top of the adjustment slider 52 is fixedly connected to the placement block 4, thereby synchronously adjusting the enclosing clamping distance between the three sets of placement blocks 4 until the distance size matches the current outer diameter specification of the spray pump head. There is no need to stop the machine to disassemble and replace the fixtures or re-align and adjust. The changeover operation is simple and efficient.

[0050] While the worm gear 53 rotates to adjust the spacing of the placement blocks 4, the hexagonal transmission rod 93 fixed at the bottom of the worm gear 53 rotates synchronously. The lower end of the transmission rod 93 is slidably inserted into the inner hole at the top of the adjusting screw 92, which can transmit torque circumferentially and allow relative sliding axially. The transmission rod 93 drives the adjusting screw 92 to rotate around a fixed axis inside the fixed seat 2. The adjusting screw 92 is threaded with the center of the adjusting pad 9 inside the fixed seat 2. The forward and reverse rotation of the screw can drive the adjusting pad 9 to move vertically up and down along the inside of the fixed seat 2.

[0051] When assembling large-size, heavy-duty spray pumps, the adjusting pad 9 moves upward to compress the buffer spring 91, increasing the preload of the buffer spring 91 to meet the requirements of heavy workpiece pressure buffering and impact resistance. When assembling small-size, light-duty spray pumps, the adjusting knob 55 is turned in the opposite direction, and the adjusting pad 9 moves downward to release the preload compression of the buffer spring 91, reducing the buffer stiffness and preventing improper assembly pressing. At the same time, the transmission rod 93 and the adjusting screw 92 adopt an axial sliding connection structure, which only transmits rotational power and does not restrict axial displacement. Therefore, during the assembly pressing buffering process, when the adjusting seat 3 slides downward vertically under pressure, it will not interfere with the movement of the adjusting screw 92 and the transmission rod 93. This achieves linkage and synchronous adjustment of the spray pump specification spacing and the preload of the buffer spring 91, resulting in a wide range of adaptability, significantly improved assembly stability and workpiece protection.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A daily chemical spray pump automatic assembly machine, comprising an assembly machine body (1), the surface of the assembly machine body (1) is provided with a multi-station turntable (14), characterized in that: The multi-station turntable (14) is fixedly mounted with an array of fixed seats (2), and the fixed seats (2) are provided with an adjustment seat (3), and the adjustment seat (3) is provided with a placement block (4) for placing the spray pump head. The adjustment seat (3) is provided with an adjustment mechanism for adjusting the position of the placement block (4) according to different diameter spray pump heads. The assembly machine body (1) is fixedly mounted with a drive cylinder (12) on its side wall, and the output end of the drive cylinder (12) is fixedly mounted with an assembly pressure head (13). The output direction of the drive cylinder (12) is perpendicular to the multi-station turntable (14). The placement block (4) is provided with a positioning and anti-deviation mechanism to prevent the spray pump head from shifting. The adjustment seat (3) and the fixed seat (2) are provided with a buffer mechanism to prevent the spray pump head from being damaged by hard squeezing.

2. The automatic assembly machine for daily chemical spray pump according to claim 1, characterized in that: The placement blocks (4) are distributed in three groups at equal angles on the surface of the adjusting seat (3), and the top of the placement blocks (4) is in contact with the bottom of the spray pump head, and the outer wall of the placement blocks (4) near the spray pump head is arc-shaped.

3. The automatic assembly machine for a daily chemical spray pump according to claim 1, characterized in that: The adjustment mechanism includes an adjustment turntable (5) rotatably installed inside the adjustment seat (3), and a connecting rod (51) is hinged to the side wall of the adjustment turntable (5). An adjustment slider (52) is slidably installed on the outer wall of the adjustment turntable. An adjustment worm gear (53) and an adjustment worm (54) are installed inside the adjustment seat (3) through bearings, and an adjustment knob (55) is provided at the end of the adjustment worm (54).

4. The automatic assembly machine for a daily chemical spray pump according to claim 3, characterized in that: The cross-section of the adjusting slider (52) is an inverted T-shape, and there are three sets of adjusting sliders (52) distributed at equal angles. The top of the adjusting slider (52) is fixedly connected to the bottom of the placement block (4). The connecting rod (51) is distributed at equal angles on the side wall of the adjusting turntable (5), and the end of the connecting rod (51) away from the adjusting turntable (5) is hinged to the bottom of the adjusting slider (52).

5. The automatic assembly machine for a daily chemical spray pump according to claim 3, characterized in that: The top of the adjusting worm wheel (53) is fixedly connected to the bottom of the adjusting turntable (5), the adjusting worm (54) is parallel to the adjusting seat (3), and the adjusting worm (54) is meshed with the adjusting worm wheel (53).

6. The automatic assembly machine for a daily chemical spray pump according to claim 1, characterized in that: The positioning and anti-deviation mechanism includes a positioning clamping block (6) that is slidably installed on the side wall of the placement block (4), and the outer walls of the two sides of the positioning clamping block (6) are provided with symmetrically distributed sliding protrusions (61). The placement block (4) is fixedly installed with a positioning piston cylinder (7), and a positioning piston rod (71) is slidably installed at the end of the positioning piston cylinder (7), and an installation block (72) is fixedly installed at the end of the positioning piston rod (71).

7. The automatic assembly machine for a daily chemical spray pump according to claim 6, characterized in that: The multi-station turntable (14) is fixedly mounted with a drive piston cylinder (73), and a drive piston rod (74) is slidably mounted on the top of the drive piston cylinder (73). A reset spring (75) is sleeved on the outer wall of the drive piston rod (74). A connecting conduit (76) is fixedly mounted on the end of the drive piston cylinder (73), and the end of the connecting conduit (76) away from the drive piston cylinder (73) is connected to the end of the positioning piston cylinder (7). A drive pressure rod (8) is fixedly mounted on the side wall of the assembly pressure block, and the bottom of the end of the drive pressure rod (8) away from the assembly pressure block abuts against the top of the drive piston rod (74).

8. The automatic assembly machine for a daily chemical spray pump according to claim 6, characterized in that: The end of the positioning clamp (6) is slidably connected to the mounting block (72), and the mounting block (72) is slidably connected to the placement block (4). The end of the positioning clamp (6) away from the mounting block (72) is provided with a rubber pad. The placement block (4) is provided with a guide groove (62) inside. The guide groove (62) has an obtuse angle design in its cross section. The guide groove (62) is adapted to the sliding protrusion (61).

9. The automatic assembly machine for a daily chemical spray pump according to claim 3, characterized in that: The buffer mechanism includes an adjusting pad (9) that is slidably installed inside the fixed seat (2), and a buffer spring (91) is provided on the surface of the adjusting pad (9). An adjusting screw (92) is rotatably installed inside the fixed seat (2), and a transmission rod (93) is fixedly installed at the bottom of the adjusting worm gear (53).

10. An automatic assembly machine for a daily chemical spray pump according to claim 9, characterized in that: The adjusting pad (9) is rectangular in shape, and the center of the adjusting pad (9) is threadedly connected to the adjusting screw (92). The end of the buffer spring (91) away from the adjusting pad (9) abuts against the bottom of the adjusting seat (3), and the adjusting seat (3) is slidably connected to the fixed seat (2). The transmission rod (93) has a hexagonal cross section, and the transmission rod (93) is slidably connected to the adjusting screw (92).

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