A high-precision positioning mechanism for a small valve sleeve for medical blood cells

Abstract

The present invention discloses a high-precision positioning mechanism for a small valve sleeve for medical blood cells, comprising a product carrier, a blocking assembly, a guide positioning assembly, a sleeve pressure correction assembly, and a limit lifting assembly. The product carrier comprises at least two groups, at least two groups of product carriers are placed on a transmission assembly, and at least two products are placed on the product carrier; a buffer station and a correction station are sequentially provided on the transmission assembly along the transmission direction; the blocking assembly is provided at the buffer station; the guide positioning assembly and the limit lifting assembly are provided at the correction station; the guide positioning assembly is located on both sides of the transmission assembly and is provided with a guide channel along the transmission direction; the limit lifting assembly is provided inside the transmission assembly and outputs power in the vertical direction; the sleeve pressure correction assembly is provided at the correction station and is located above the transmission assembly for correcting the positioning of the product carrier. The present invention realizes the sleeve pressure side positioning correction of multiple groups of shells and sleeves before assembly, effectively improving the relative position accuracy of the sleeve and shell during assembly.

Description

Technical Field

[0001] The present invention relates to the field of manufacturing equipment for medical small valves, in particular to a high-precision positioning mechanism for a medical blood cell small valve sleeve. Background Art

[0002] In the medical field, when it comes to blood sampling and analysis, small valves are needed to control blood flow and speed.

[0003] The structure of a small valve includes an external shell and a sleeve inserted into the shell. To ensure the sealing of the connection, the inner wall of the shell and the outer wall of the sleeve generally need to be sealed with a sealing ring. The sealing ring is generally pre-sleeved on the outer wall of the sleeve, and then the sleeve with the sealing ring is inserted into the shell from top to bottom. During the assembly process, if there is a slight deviation in the relative position of the shell and the sleeve, the sealing ring on one side will be over-extruded, and the sealing ring on the other side will be relatively active. During the assembly process, the static friction force on the inner wall of the shell will be different, causing the sealing ring to shift and slide out of the rubber ring groove on the outer wall of the sleeve, resulting in seal failure. Based on the above background, the relative position correction and positioning problem of the two needs to be solved first in the automated assembly process of the shell and sleeve. Another reality is that in automated assembly equipment, in order to improve assembly capacity, it is generally necessary to complete the assembly of multiple sleeves simultaneously through a single action, that is, to assemble multiple sleeves simultaneously at one time. Based on this condition, multiple assembled products also need to be corrected and positioned synchronously during the correction and positioning process. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art and to provide a high-precision positioning mechanism for a medical blood cell small valve sleeve, which realizes the sleeve pressure side positioning correction of multiple sets of shells and sleeves before assembly, and effectively improves the relative position accuracy of the sleeve and the shell during assembly.

[0005] The technical solution adopted by the present invention is as follows: a high-precision positioning mechanism for a small valve sleeve for medical blood cells, which is arranged on a machine platform and includes a transmission component for outputting linear power, and also includes a product carrier, a blocking component, a guide positioning component, a sleeve pressure correction component and a limit lifting component, wherein the product carrier includes at least two groups, at least two groups of product carriers are placed on the transmission component and transported in a linear direction by the transmission component, and at least two products are placed on the product carrier; the transmission component is provided with a buffer station and a correction station in sequence along the transmission direction; the blocking component is provided at the buffer station for blocking and limiting the product carrier; the guide positioning component and the limit lifting component are provided at the correction station; the guide positioning component is located on both sides of the transmission component and is provided with a guide channel along the transmission direction for guiding the limit product carrier; the limit lifting component is provided in the transmission component and outputs power in the vertical direction for lifting the product carrier upward; the sleeve pressure correction component is provided at the correction station and above the transmission component for pressing on the product carrier from above to correct and position the product carrier.

[0006] Preferably, the transmission component includes a transmission channel extending in a straight line, and horizontal transmission belts are tensioned on the inner walls of both sides of the transmission channel through tensioning wheels, and product carriers are placed on the two transmission belts; the transmission belts are driven by a motor to drive the product carrier to move in a straight line.

[0007] Preferably, the product carrier includes a carrier plate, a carrier seat and a ring limit seat, wherein the carrier plate is horizontally arranged on the transmission belt of the transmission component, and at least two positioning slots are provided at the bottom of the carrier plate; the carrier seat includes at least two, at least two carrier seats are spaced apart on the carrier plate, and a product groove is provided on the carrier seat, and the product is placed in the product groove; the front and rear sides and the top of the product groove are open surfaces; ring limit seats are respectively provided on both sides of the top open surface of the product groove for limiting the product.

[0008] Preferably, at least two inwardly recessed adjustment grooves are provided on the carrier plate; a connecting slider is provided at the bottom of the carrier; the connecting slider is embedded in the adjustment groove, and the side wall of the connecting slider is connected to the inner wall of the adjustment groove through an adjustment spring. The connecting slider is movable in the adjustment groove, so that the position of the carrier can be adjusted.

[0009] Preferably, the product includes a shell, a sleeve and a sealing ring, wherein the shell is a rectangular box-shaped structure with an open top; the sleeve is a rectangular block-shaped structure, the sleeve is assembled into the shell from the top opening, and is sealed with the shell through a sealing ring mounted on the outside.

[0010] Preferably, an inwardly recessed rubber ring groove is provided on the outer wall of the sleeve; the sealing ring is embedded in the rubber ring groove and protrudes to the outside of the sleeve so as to seal the connection between the sleeve and the shell when the sleeve is installed in the shell; at least two mounting holes are provided on the sleeve, and the mounting holes pass through the sleeve up and down; at least two upwardly protruding positioning columns are provided on the top surface of the sleeve; the bottom surface of the sleeve is provided with an inwardly recessed sealing ring groove, and at least two outwardly protruding positioning pins are provided on the outside of the sealing ring groove.

[0011] Preferably, the limit lifting assembly includes a support plate, a lifting cylinder, a lifting block, a lifting column, a blocking cylinder and a blocking block, wherein the support plate is horizontally arranged in the transmission assembly; the lifting cylinder is vertically arranged below the support plate, and the output end extends upward through the support plate; the lifting block is horizontally arranged above the support plate, and is movably connected to the support plate in the vertical direction through a guide rod slidably inserted in the support plate, and the lifting block is connected to the output end of the lifting cylinder and is driven by the lifting cylinder to move up and down; the lifting column includes at least two, and at least two lifting columns are vertically arranged on the lifting block so as to be inserted into the positioning slot of the product carrier to position and guide the product carrier; the blocking cylinder is arranged below the support plate, and the output end extends vertically upward through the support plate; the blocking block is connected to the output end of the blocking cylinder, and a roller is rotatably provided on the blocking block for blocking the product carrier.

[0012] Preferably, the casing pressure correction component includes a casing pressure drive component, a load-bearing reference component and a side pressure correction component, wherein the casing pressure drive component is arranged on the side of the transmission component and outputs power in the vertical direction; the load-bearing reference component is horizontally arranged on the casing pressure drive component, and is driven by the casing pressure drive component to move up and down, and an installation groove that passes through the upper and lower parts is provided on the load-bearing reference component, and a casing pressure cover plate that is internally divided into at least two limit grooves is provided in the installation groove, which is used to respectively socket and limit at least two product carriers; the side pressure correction component includes two groups, and the two groups of side pressure correction components are respectively arranged on both sides of the load-bearing reference component, and output power in the horizontal direction, so as to approach the product carrier and correct the position of the product carrier.

[0013] Preferably, the casing pressure driving component includes a support, a casing pressure cylinder and a casing pressure lifting seat, wherein the support is vertically arranged on the side of the transmission component; the casing pressure cylinder is vertically arranged on one side of the support, and the output end is arranged upward; the casing pressure lifting seat is arranged on the other side of the support, and is slidably connected to the support in the vertical direction, and is connected to the output end of the casing pressure cylinder, and is driven by the casing pressure cylinder to move up and down.

[0014] Preferably, the bearing reference component includes a sleeve pressure support plate, a sleeve pressure cover plate and a sleeve pressure reference block, wherein the sleeve pressure support plate is horizontally arranged on the sleeve pressure lifting seat, and a mounting groove is provided on the sleeve pressure support plate, and a step support block is provided in the mounting groove; the sleeve pressure cover plate is embedded in the mounting groove and supported by the step support block; at least two limit grooves are provided on the sleeve pressure cover plate, and an inwardly protruding connecting block is provided in the middle of the limit groove; the sleeve pressure reference block includes at least two blocks, and the at least two sleeve pressure reference blocks are spaced apart below the sleeve pressure cover plate and are respectively connected to at least two protruding connecting blocks.

[0015] Preferably, the side pressure correction component includes a correction cylinder, a correction slide, a correction limit column, a correction limit block and a correction piece, wherein the correction cylinder is horizontally arranged at the lower part of the sleeve pressure support plate; the correction slide is slidably connected to the lower part of the sleeve pressure support plate and is located on the side of the mounting groove, and the correction cylinder drives the correction slide to move linearly; the correction limit block is arranged on the sleeve pressure support plate and protrudes outward; the correction limit column is arranged on the correction slide, and the correction limit column is blocked and positioned by the correction limit block when sliding with the correction slide; the correction piece includes at least two groups, and at least two groups of correction pieces are respectively arranged at intervals on the side of the correction slide, and the correction pieces move with the correction slide so as to correct and position the product carrier from the side.

[0016] Preferably, the correction part includes a first correction block and a second correction block, wherein the first correction block is connected to the correction slide, the first correction block is a U-shaped block, its opening is set toward the mounting slot, and the side of its opening is provided with a correction slot that opens outward along the arc direction, which is used to clamp and limit the product carrier from the side; the second correction block is set on the first correction block, the second correction block is a U-shaped block, its opening is facing the same direction as the first correction block, and the outside of the opening of the second correction block is the reference slot H.

[0017] The beneficial effects of the present invention are:

[0018] In view of the defects and shortcomings of the existing technology, the present invention independently developed and designed a high-precision positioning mechanism for medical blood cell small valve sleeves, which realizes the sleeve pressure side positioning correction of multiple groups of shells and sleeves before assembly, and effectively improves the relative position accuracy of the sleeve and the shell during assembly.

[0019] The present invention aims to provide an automated assembly field for medical blood cell small valves, and aims to provide a correction and positioning mechanism for the automatic assembly of the sleeve and shell of the small valve, so as to correct and position the relative positions of the two before assembly, so as to ensure the subsequent assembly accuracy; specifically, the present invention as a whole includes a transmission component, a product carrier, a blocking component, a guide positioning component, a sleeve pressure correction component and a limit lifting component, the transmission component is arranged in a straight line direction, and the middle of the transmission component is a straight-line extended transmission channel, and horizontal transmission belts are respectively tensioned on the inner walls of both sides of the transmission channel through tensioning wheels, and product carriers are placed on the two transmission belts, and the transmission belts are driven by a motor to drive the product carrier to move linearly; the transmission component is arranged in a straight line direction, and the middle of the transmission component is a straight-line extended transmission channel, and the horizontal transmission belts are respectively tensioned on the inner walls of the two sides of the transmission channel through tensioning wheels, and the product carriers are placed on the two transmission belts. The transmission belts are driven by a motor to drive the product carrier to move linearly; the transmission The component is provided with buffer stations and correction stations at intervals along the movement direction of its transmission belt. The product carrier is blocked and positioned at the buffer station by the blocking cylinder of the blocking component driving the blocking block upward to prevent it from flowing into the correction station; the correction station is provided with a guide positioning component, a sleeve pressure correction component and a limit lifting component. The product carrier flowing into the correction station is guided and limited by the horizontal limit plate extending from both sides to the transmission belt above the guide positioning component. When the product carrier needs to be corrected, the blocking component below is inserted upward into the product carrier to lift it up and separate it from the continuously moving transmission belt; after the product carrier is lifted and positioned, it is set on the outside of the transmission component and water The sleeve pressure correction component extending horizontally to the top thereof approaches the lifted product carrier from above, and the corresponding multiple products on the product carrier are gradually inserted into the product carrier from top to bottom; specifically, the sleeve pressure correction component of the present invention includes a sleeve pressure driving component, a bearing reference component and a side pressure correction component, the sleeve pressure driving component uses a support vertically arranged on the side of the transmission component as a bearing structure, and the sleeve pressure cylinder arranged on the support outputs linear power in the vertical direction, which is used to drive the bearing reference component and the side pressure correction component thereon to rise and fall synchronously, so as to correct and position the product carrier, wherein the bearing reference component serves to bear and provide a positioning reference to the side pressure correction component, and the bearing reference component is arranged horizontally The sleeve pressure support plate serves as a supporting structure, and an installation groove that passes through the upper and lower parts is opened on the sleeve pressure support plate. A step support block is provided on the inner side of the installation groove to carry the detachable assembly sleeve pressure cover plate. A plurality of sleeve pressure grooves that pass through the upper and lower parts are opened on the sleeve pressure cover plate corresponding to the multiple carriers of the product carrier. The inwardly protruding connecting blocks arranged in the sleeve pressure grooves are respectively provided with correction reference blocks; the side pressure correction component includes two groups, which are respectively arranged on the front and rear sides below the sleeve pressure support plate, and respectively output linear power through the correction cylinder to drive the correction slide to drive the first correction block and the second correction block connected thereto to move linearly synchronously, the first correction block is connected to the correction slide, and the second correction block is stacked on the first correction block;The openings of the first and second correction blocks of the U-shaped structure are respectively directed toward the product carrier that needs to be laterally positioned. When both move toward the product carrier at the same time, the reference grooves of the second correction blocks on the front and rear sides are respectively close to the correction reference blocks, and the correction reference blocks are used as positioning references to block and position the second correction block, thereby positioning the first correction block below it. The correction grooves provided at the U-shaped opening of the first correction block respectively press against the product carrier from the front and rear sides, thereby achieving high-precision positioning and calibration of the product carrier in the horizontal plane. Furthermore, the present invention further provides outwardly protruding correction limit blocks on the left and right sides of the sleeve pressure support plate, and correction limit posts are respectively provided on the front and rear correction slides. When the correction slide drives the first and second correction blocks for limit correction, the correction limit posts will follow the correction slide and press against the correction limit posts to assist in positioning, thereby improving positioning accuracy. The correction limit posts can be flexibly connected to the correction slide by springs to ensure that they have a certain distance of free movement space in the front and rear directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is one of the three-dimensional structural diagrams of the present invention.

[0021] Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure after the components are hidden in the present invention.

[0024] Figure 5 This is one of the three-dimensional structural schematic diagrams of the product carrier of the present invention.

[0025] Figure 6 This is the second schematic diagram of the three-dimensional structure of the product carrier of the present invention.

[0026] Figure 7 Schematic diagram of the connection structure between the carrier and the carrier plate of the present invention.

[0027] Figure 8 This is one of the schematic diagrams of the component disassembly structure of the product of the present invention.

[0028] Figure 9 This is the second schematic diagram of the component disassembly structure of the product of the present invention.

[0029] Figure 10 It is one of the three-dimensional schematic diagrams of the sleeve of the present invention.

[0030] Figure 11 This is the second stereoscopic schematic diagram of the sleeve of the present invention.

[0031] Figure 12 This is one of the three-dimensional structural schematic diagrams of the position limiting lifting assembly of the present invention.

[0032] Figure 13 This is the second schematic diagram of the three-dimensional structure of the position limiting lifting assembly of the present invention.

[0033] Figure 14 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention.

[0034] Figure 15 This is the second schematic diagram of the three-dimensional structure of the sleeve pressure correction assembly of the present invention.

[0035] Figure 16 This is a schematic diagram of the component disassembly structure of the casing pressure correction assembly of the present invention.

[0036] Figure 17 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention after the components are hidden.

[0037] Figure 18 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention after the components are hidden.

[0038] In the picture:

[0039] 0. Product; 01. Housing; 02. Sleeve; 03. Sealing ring; 04. Positioning column; 05. Positioning pin; C. Rubber ring groove; D. Mounting hole; E. Sealing ring groove;

[0040] 1. Transmission assembly; 2. Product carrier; 3. Blocking assembly; 4. Sensor; 5. Guide and positioning assembly; 6. Sleeve pressure correction assembly; 7. Limit lifting assembly;

[0041] 21. Carrier plate; 22. Carrier seat; 23. Ferrule limit seat; A. Product slot; B. Positioning slot; 24. Adjustment slot; 25. Connecting slider; 26. Adjustment spring;

[0042] 61. Support; 62. Casing pressure cylinder; 63. Casing pressure lifting seat; 64. Casing pressure support plate; 65. Calibration cylinder; 66. Calibration slide; 67. Calibration limit column; 68. Calibration limit block; 69. Casing pressure cover plate; 610. Calibration reference block; 611. First calibration block; 612. Second calibration block; F. Mounting slot; G. Casing pressure slot; H. Reference slot; I. Calibration slot;

[0043] 71. Support plate; 72. Lifting cylinder; 73. Lifting block; 74. Lifting column; 75. Stopping cylinder; 76. Stopping block. DETAILED DESCRIPTION

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0045] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present invention are only used to explain the relative position relationship and movement status of various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0046] In the present invention, unless otherwise specified or limited, the terms "connection" and "fixed" should be understood in a broad sense. For example, "connection" can mean fixed connection, detachable connection, or integration; it can mean mechanical connection or electrical connection; it can mean direct connection or indirect connection through an intermediate medium; it can mean internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0047] like Figures 1 to 4 , Figures 8 to 11 As shown, the present invention proposes a high-precision positioning mechanism for a small valve sleeve for medical blood cells, which is arranged on a machine platform and includes a transmission component 1 for outputting linear power, and also includes a product carrier 2, a blocking component 3, a guide positioning component 5, a sleeve pressure correction component 6 and a limit lifting component 7, wherein the product carrier 2 includes at least two groups, at least two groups of product carriers 2 are placed on the transmission component 1, and are transmitted in a straight line direction through the transmission component 1, and at least two products 0 are placed on the product carrier 2; the transmission component 1 is provided with a buffer station and a correction station in sequence along the transmission direction; the blocking component 3 is provided with a It is placed at the cache station to block the limited product carrier 2; the guiding and positioning component 5 and the limiting lifting component 7 are arranged at the correction station; the guiding and positioning component 5 is located on both sides of the transmission component 1, and a guide channel is provided along the transmission direction to guide the limited product carrier 2; the limiting lifting component 7 is arranged in the transmission component 1, and outputs power in the vertical direction to lift the product carrier 2 upward; the sleeve pressure correction component 6 is arranged at the correction station and is located above the transmission component 1, and is used to be sleeved on the product carrier 2 from above to correct and position the product carrier 2.

[0048] The transmission component 1 includes a transmission channel extending in a straight line. Horizontal transmission belts are tensioned on the inner walls of both sides of the transmission channel through tensioning wheels. Product carriers 2 are placed on the two transmission belts. The transmission belts are driven by a motor to drive the product carriers 2 to move in a straight line.

[0049] Product 0 includes a shell 01, a sleeve 02 and a sealing ring 03, wherein the shell 01 is a rectangular box-shaped structure with an open top; the sleeve 02 is a rectangular block-shaped structure, and the sleeve 02 is assembled into the shell 01 from the top opening of the shell 01, and is sealed with the shell 01 through the sealing ring 03 mounted on the outside thereof.

[0050] An inwardly recessed rubber ring groove C is provided on the outer wall of the sleeve 02; the sealing ring 03 is embedded in the rubber ring groove C and protrudes to the outside of the sleeve 02, so as to seal the connection between the sleeve 02 and the shell 01 when the sleeve 02 is installed in the shell 01; at least two mounting holes D are provided on the sleeve 02, and the mounting holes D pass through the sleeve 02 from top to bottom; at least two upwardly protruding positioning columns 04 are provided on the top surface of the sleeve 02; the bottom surface of the sleeve 02 is provided with an inwardly recessed sealing ring groove E, and at least two outwardly protruding positioning pins 05 are provided on the outside of the sealing ring groove E. Example 2

[0051] like Figures 5 and 6 As shown, as an embodiment of the present invention, the product carrier 2 of the present invention includes a carrier plate 21, a carrier seat 22 and a ring limit seat 23, wherein the carrier plate 21 is horizontally arranged on the transmission belt of the transmission component 1, and at least two positioning slots B are provided at the bottom of the carrier plate 21; the carrier seat 22 includes at least two, at least two carrier seats 22 are spaced apart on the carrier plate 21, and a product groove A is provided on the carrier seat 22, and the product 0 is placed in the product groove A; the front and rear sides and the top of the product groove A are open surfaces; the top open surface of the product groove A is respectively provided with ring limit seats 23 on both sides for limiting the product 0.

[0052] like Figure 7 As shown, as an embodiment of the present invention, at least two inwardly recessed adjustment grooves 24 are provided on the carrier plate 21 of the present invention; a connecting slider 25 is provided at the bottom of the carrier 22; the connecting slider 25 is embedded in the adjustment groove 24, and the side wall of the connecting slider 25 is connected to the inner wall of the adjustment groove 24 through an adjustment spring 26. The connecting slider 25 is movable in the adjustment groove 24, so that the position of the carrier 22 can be adjusted. Example 3

[0053] like Figures 12 to 13As shown, as an embodiment of the present invention, the limit lifting assembly 7 of the present invention includes a support plate 71, a lifting cylinder 72, a lifting block 73, a lifting plug column 74, a blocking cylinder 75 and a blocking block 76, wherein the support plate 71 is horizontally arranged in the transmission assembly 1; the lifting cylinder 72 is vertically arranged below the support plate 71, and the output end extends upward through the support plate 71; the lifting block 73 is horizontally arranged above the support plate 71, and is movably connected to the support plate 71 in the vertical direction through a guide rod slidably inserted in the support plate 71, and the lifting cylinder 75 is provided with a plurality of support plates 71 ... The block 73 is connected to the output end of the jacking cylinder 72 and is driven by the jacking cylinder 72 to move up and down; the jacking plug 74 includes at least two, and at least two jacking plugs 74 are vertically arranged on the jacking block 73 so as to be inserted into the positioning slot B of the product carrier 2 to position and guide the product carrier 2; the blocking cylinder 75 is arranged below the support plate 71, and the output end extends vertically upward through the support plate 71; the blocking block 76 is connected to the output end of the blocking cylinder 75, and a roller is rotatably provided on the blocking block 76 for blocking the product carrier 2. Example 4

[0054] like Figures 14 to 18 As shown, as an embodiment of the present invention, the sleeve pressure correction component 6 of the present invention includes a sleeve pressure drive component, a load-bearing reference component and a side pressure correction component, wherein the sleeve pressure drive component is arranged on the side of the transmission component 1 and outputs power in the vertical direction; the load-bearing reference component is horizontally arranged on the sleeve pressure drive component, and is driven by the sleeve pressure drive component to move up and down, and a mounting groove F is provided on the load-bearing reference component, and a sleeve pressure cover plate 69 is provided in the mounting groove F, which is divided into at least two limiting grooves G, which are used to respectively sleeve and limit at least two product carriers 2; the side pressure correction component includes two groups, and the two groups of side pressure correction components are respectively arranged on both sides of the load-bearing reference component, and output power in the horizontal direction, so as to approach the product carrier 2 and correct the position of the product carrier 2.

[0055] The casing pressure driving component includes a support 61, a casing pressure cylinder 62 and a casing pressure lifting seat 63, wherein the support 61 is vertically arranged on the side of the transmission component 1; the casing pressure cylinder 62 is vertically arranged on one side of the support 61, and the output end is arranged upward; the casing pressure lifting seat 63 is arranged on the other side of the support 61, and is slidably connected to the support 61 in the vertical direction, and is connected to the output end of the casing pressure cylinder 62, and is driven by the casing pressure cylinder 62 to move up and down.

[0056] The bearing reference component includes a sleeve pressure support plate 64, a sleeve pressure cover plate 69 and a sleeve pressure reference block 610, wherein the sleeve pressure support plate 64 is horizontally arranged on the sleeve pressure lifting seat 63, and a mounting groove F is opened on the sleeve pressure support plate 64, and a step support block is provided in the mounting groove F; the sleeve pressure cover plate 69 is embedded in the mounting groove F and supported by the step support block; at least two limit grooves G are opened on the sleeve pressure cover plate 69, and an inwardly protruding connecting block is provided in the middle of the limit groove G; the sleeve pressure reference block 610 includes at least two blocks, and at least two sleeve pressure reference blocks 610 are spaced apart below the sleeve pressure cover plate 69 and are respectively connected to at least two protruding connecting blocks.

[0057] The side pressure correction component includes a correction cylinder 65, a correction slide 66, a correction limit column 67, a correction limit block 68 and a correction piece, wherein the correction cylinder 65 is horizontally arranged at the lower part of the sleeve pressure support plate 64; the correction slide 66 is slidably connected to the lower part of the sleeve pressure support plate 64 and is located on the side of the mounting groove F, and the correction cylinder 65 drives the correction slide 66 to move linearly; the correction limit block 68 is arranged on the sleeve pressure support plate 64 and protrudes outward; the correction limit column 67 is arranged on the correction slide 66, and the correction limit column 67 is blocked and positioned by the correction limit block 68 when sliding with the correction slide 66; the correction piece includes at least two groups, and at least two groups of correction pieces are respectively arranged at intervals on the side of the correction slide 66, and the correction piece moves with the correction slide 66 so as to correct and position the product carrier 2 from the side.

[0058] The correction part includes a first correction block 611 and a second correction block 612, wherein the first correction block 611 is connected to the correction slide 66, the first correction block 611 is a U-shaped block, and its opening is set toward the installation slot F, and the side of its opening is provided with a correction slot I that opens outward along the arc direction, which is used to clamp and limit the product carrier 2 from the side; the second correction block 612 is set on the first correction block 611, the second correction block 612 is a U-shaped block, and its opening is facing the same direction as the first correction block 611, and the outer side of the opening of the second correction block 612 is the reference slot H.

[0059] Furthermore, the present invention designs a high-precision positioning mechanism for medical blood cell miniature valve sleeves that realizes the sleeve pressure side positioning correction of multiple sets of shells and sleeves before assembly, effectively improving the relative position accuracy of the sleeve and shell during assembly. The present invention aims to provide a field of automated assembly applied to medical blood cell miniature valves, and aims to provide a correction and positioning mechanism for the sleeve and shell of a miniature valve before automatic assembly, so as to correct and position the relative position of the two before assembly, so as to ensure the subsequent assembly accuracy; specifically, the present invention as a whole includes a transmission component, a product carrier, a blocking component, a guide positioning component, a sleeve pressure correction component and a limit lifting component, the transmission component is arranged in a straight direction, and the middle of the transmission component is a straight-extending transmission channel, and horizontal transmission belts are tensioned on the inner walls of both sides of the transmission channel through tensioning wheels, and product carriers are placed on the two transmission belts, and the transmission belts are driven by a motor to drive the product carrier to move linearly; the transmission The component is provided with buffer stations and correction stations at intervals along the movement direction of its transmission belt. The product carrier is blocked and positioned at the buffer station by the blocking cylinder of the blocking component driving the blocking block upward to prevent it from flowing into the correction station; the correction station is provided with a guide positioning component, a sleeve pressure correction component and a limit lifting component. The product carrier flowing into the correction station is guided and limited by the horizontal limit plate extending from both sides to the transmission belt above the guide positioning component. When the product carrier needs to be corrected, the blocking component below is inserted upward into the product carrier to lift it up and separate it from the continuously moving transmission belt; after the product carrier is lifted and positioned, it is set on the outside of the transmission component and water The sleeve pressure correction component extending horizontally to the top thereof approaches the lifted product carrier from above, and the corresponding multiple products on the product carrier are gradually inserted into the product carrier from top to bottom; specifically, the sleeve pressure correction component of the present invention includes a sleeve pressure driving component, a bearing reference component and a side pressure correction component, the sleeve pressure driving component uses a support vertically arranged on the side of the transmission component as a bearing structure, and the sleeve pressure cylinder arranged on the support outputs linear power in the vertical direction, which is used to drive the bearing reference component and the side pressure correction component thereon to rise and fall synchronously, so as to correct and position the product carrier, wherein the bearing reference component serves to bear and provide a positioning reference to the side pressure correction component, and the bearing reference component is arranged horizontally The sleeve pressure support plate serves as a supporting structure, and an installation groove that passes through the upper and lower parts is opened on the sleeve pressure support plate. A step support block is provided on the inner side of the installation groove to carry the detachable assembly sleeve pressure cover plate. A plurality of sleeve pressure grooves that pass through the upper and lower parts are opened on the sleeve pressure cover plate corresponding to the multiple carriers of the product carrier. The inwardly protruding connecting blocks arranged in the sleeve pressure grooves are respectively provided with correction reference blocks; the side pressure correction component includes two groups, which are respectively arranged on the front and rear sides below the sleeve pressure support plate, and respectively output linear power through the correction cylinder to drive the correction slide to drive the first correction block and the second correction block connected thereto to move linearly synchronously, the first correction block is connected to the correction slide, and the second correction block is stacked on the first correction block;The openings of the first and second correction blocks of the U-shaped structure are respectively directed toward the product carrier that needs to be laterally positioned. When both move toward the product carrier at the same time, the reference grooves of the second correction blocks on the front and rear sides are respectively close to the correction reference blocks, and the correction reference blocks are used as positioning references to block and position the second correction block, thereby positioning the first correction block below it. The correction grooves provided at the U-shaped opening of the first correction block respectively press against the product carrier from the front and rear sides, thereby achieving high-precision positioning and calibration of the product carrier in the horizontal plane. Furthermore, the present invention further provides outwardly protruding correction limit blocks on the left and right sides of the sleeve pressure support plate, and correction limit posts are respectively provided on the front and rear correction slides. When the correction slide drives the first and second correction blocks for limit correction, the correction limit posts will follow the correction slide and press against the correction limit posts to assist in positioning, thereby improving positioning accuracy. The correction limit posts can be flexibly connected to the correction slide by springs to ensure that they have a certain distance of free movement space in the front and rear directions.

[0060] The embodiments of the present invention are merely to introduce specific implementation methods and are not intended to limit the scope of protection. Persons skilled in the art may make certain modifications inspired by these embodiments. Therefore, any equivalent changes or modifications made in accordance with the scope of the present invention are within the scope of the patent claims of the present invention.

Claims

1. A high-precision positioning mechanism for a small valve sleeve for medical blood cells, arranged on a machine platform, comprising a transmission component (1) for outputting linear power, characterized in that: It also includes a product carrier (2), a blocking component (3), a guide positioning component (5), a sleeve pressure correction component (6) and a limit lifting component (7), wherein: The product carriers (2) include at least two groups, and the at least two groups of product carriers (2) are placed on the transmission component (1) and are transported along a straight line through the transmission component (1), with at least two products (0) placed on the product carriers (2); the transmission component (1) is provided with a buffer station and a correction station in sequence along the transmission direction; The blocking component (3) is arranged at the buffer station and is used to block the position-limiting product carrier (2); The guide positioning assembly (5) and the position limiting lifting assembly (7) are arranged at the correction station; the guide positioning assembly (5) is located on both sides of the transmission assembly (1), and is provided with a guide channel along the transmission direction for guiding the position limiting product carrier (2); the position limiting lifting assembly (7) is arranged in the transmission assembly (1), and outputs power in the vertical direction for lifting the product carrier (2) upward; The sleeve pressure correction component (6) is arranged at the correction station and is located above the transmission component (1), and is used to be sleeved and pressed onto the product carrier (2) from above to correct and position the product carrier (2); The casing pressure correction component (6) includes a casing pressure driving component, a bearing reference component and a side pressure correction component, wherein the casing pressure driving component is arranged on the side of the transmission component (1) and outputs power in the vertical direction; the bearing reference component is horizontally arranged on the casing pressure driving component and is driven by the casing pressure driving component to move up and down, and a mounting groove (F) is provided on the bearing reference component and a casing pressure cover plate (69) is provided in the mounting groove (F) and is divided into at least two limiting grooves (G) for respectively sleeve-limiting at least two product carriers (2); the side pressure correction component includes two groups, and the two groups of side pressure correction components are respectively arranged at intervals on both sides of the bearing reference component and output power in the horizontal direction so as to approach the product carrier (2) and correct the position of the product carrier (2); The casing pressure driving component includes a support (61), a casing pressure cylinder (62) and a casing pressure lifting seat (63), wherein the support (61) is vertically arranged on the side of the transmission component (1); the casing pressure cylinder (62) is vertically arranged on one side of the support (61), and the output end is arranged upward; the casing pressure lifting seat (63) is arranged on the other side of the support (61), and is slidably connected to the support (61) in the vertical direction, and is connected to the output end of the casing pressure cylinder (62), and is driven by the casing pressure cylinder (62) to move up and down; The bearing reference component includes a sleeve pressure support plate (64), a sleeve pressure cover plate (69) and a sleeve pressure reference block (610), wherein the sleeve pressure support plate (64) is horizontally arranged on the sleeve pressure lifting seat (63), the sleeve pressure support plate (64) is provided with a mounting groove (F), and a step support block is provided in the mounting groove (F); the sleeve pressure cover plate (69) is embedded in the mounting groove (F) and supported by the step support block; the sleeve pressure cover plate (69) is provided with at least two limiting grooves (G), and the middle part of the limiting groove (G) is provided with an inwardly protruding connecting block; the sleeve pressure reference block (610) includes at least two pieces, and the at least two sleeve pressure reference blocks (610) are spaced apart and arranged below the sleeve pressure cover plate (69), and are respectively connected to the at least two protruding connecting blocks; The side pressure correction component includes a correction cylinder (65), a correction slide (66), a correction limit column (67), a correction limit block (68) and a correction piece, wherein the correction cylinder (65) is horizontally arranged at the lower part of the sleeve pressure support plate (64); the correction slide (66) is slidably connected to the lower part of the sleeve pressure support plate (64) and is located on the side of the mounting groove (F), and the correction cylinder (65) drives the correction slide (66) to move linearly; the correction limit block (68) is arranged on the sleeve pressure support plate (64) and protrudes outward; the correction limit column (67) is arranged on the correction slide (66), and the correction limit column (67) is blocked and positioned by the correction limit block (68) when sliding with the correction slide (66); the correction piece includes at least two groups, and the at least two groups of correction pieces are respectively arranged at intervals on the side of the correction slide (66), and the correction pieces move with the correction slide (66) so as to correct and position the product carrier (2) from the side.

2. A high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 1, characterized in that: The transmission component (1) comprises a transmission channel extending in a straight line, with horizontal transmission belts respectively tensioned on the inner walls of both sides of the transmission channel via tensioning wheels, and product carriers (2) are placed on the two transmission belts; the transmission belts are driven by a motor to drive the product carriers (2) to move in a straight line.

3. The high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 1, characterized in that: The product carrier (2) includes a carrier plate (21), a carrier seat (22) and a ring limiting seat (23), wherein the carrier plate (21) is horizontally arranged on the transmission belt of the transmission component (1), and at least two positioning slots (B) are provided at the bottom of the carrier plate (21); the carrier seat (22) includes at least two, at least two carrier seats (22) are spaced apart and provided on the carrier plate (21), and a product groove (A) is provided on the carrier seat (22), and the product (0) is placed in the product groove (A); the front and rear sides and the top of the product groove (A) are open surfaces; and ring limiting seats (23) are respectively provided on both sides of the top open surface of the product groove (A) for limiting the product (0).

4. A high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 3, characterized in that: At least two inwardly recessed adjustment grooves (24) are provided on the carrier plate (21); a connecting slider (25) is provided at the bottom of the carrier (22); the connecting slider (25) is embedded in the adjustment groove (24), and the side wall of the connecting slider (25) is connected to the inner wall of the adjustment groove (24) via an adjustment spring (26). The connecting slider (25) is movable in the adjustment groove (24), so that the position of the carrier (22) can be adjusted.

5. The high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 1, characterized in that: The product (0) comprises a shell (01), a sleeve (02) and a sealing ring (03), wherein the shell (01) is a rectangular box-shaped structure with an opening at the top; the sleeve (02) is a rectangular block-shaped structure, and the sleeve (02) is assembled into the shell (01) from the top opening of the shell (01) and is sealed with the shell (01) by the sealing ring (03) mounted on the outside thereof.

6. A high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 5, characterized in that: The outer wall of the sleeve (02) is provided with an inwardly recessed rubber ring groove (C); the sealing ring (03) is embedded in the rubber ring groove (C) and protrudes to the outside of the sleeve (02) so as to seal the connection between the sleeve (02) and the shell (01) when the sleeve (02) is installed in the shell (01); at least two mounting holes (D) are provided on the sleeve (02), and the mounting holes (D) pass through the sleeve (02) from top to bottom; at least two upwardly protruding positioning columns (04) are provided on the top surface of the sleeve (02); the bottom surface of the sleeve (02) is provided with an inwardly recessed sealing ring groove (E), and at least two outwardly protruding positioning pins (05) are provided on the outer side of the sealing ring groove (E).

7. The high-precision positioning mechanism for a small medical blood cell valve sleeve according to claim 1, characterized in that: The position-limiting lifting assembly (7) includes a support plate (71), a lifting cylinder (72), a lifting block (73), a lifting column (74), a blocking cylinder (75) and a blocking block (76), wherein the support plate (71) is horizontally arranged in the transmission assembly (1); the lifting cylinder (72) is vertically arranged below the support plate (71), and the output end extends upward through the support plate (71); the lifting block (73) is horizontally arranged above the support plate (71), and is movably connected to the support plate (71) in the vertical direction through a guide rod slidably inserted in the support plate (71), and the lifting block (73) is connected to the lifting block (75). The output end of the cylinder (72) is connected and is driven by the lifting cylinder (72) to move up and down; the lifting plug (74) includes at least two, and the at least two lifting plugs (74) are vertically arranged on the lifting block (73) so as to be inserted into the positioning slot (B) of the product carrier (2) to position and guide the product carrier (2); the blocking cylinder (75) is arranged below the support plate (71), and the output end extends vertically upward through the support plate (71); the blocking block (76) is connected to the output end of the blocking cylinder (75), and a roller is rotatably provided on the blocking block (76) for blocking the product carrier (2).

8. The high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 1, characterized in that: The correction member includes a first correction block (611) and a second correction block (612), wherein the first correction block (611) is connected to the correction slide (66), the first correction block (611) is a U-shaped block, the opening of which is arranged toward the mounting groove (F), and the side of the opening is provided with a correction groove (I) that opens outward along an arc direction, which is used to clamp the limiting product carrier (2) from the side; the second correction block (612) is arranged on the first correction block (611), the second correction block (612) is a U-shaped block, the opening of which is arranged in the same direction as that of the first correction block (611), and the outer side of the opening of the second correction block (612) is a reference groove (H).

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