High-precision positioning mechanism for medical blood cell small valve sleeve

Abstract

The invention discloses a medical blood cell small valve sleeve high-precision positioning mechanism which comprises at least two sets of product carriers, a blocking assembly, a guiding positioning assembly, a casing pressure correction assembly and a limiting lifting assembly, the at least two sets of product carriers are placed on a conveying assembly, and at least two products are placed on the product carriers; a buffering station and a correcting station are sequentially arranged on the conveying assembly in the conveying direction; the blocking assembly is arranged at the temporary storage station; the guiding and positioning assembly and the limiting and lifting assembly are arranged at the correction station; the guiding and positioning assemblies are located on the two sides of the conveying assembly and provided with guiding channels in the conveying direction. The limiting lifting assembly is arranged in the conveying assembly and outputs power in the vertical direction. The casing pressure correction assembly is arranged at the correction station, located above the conveying assembly and used for correcting and positioning the product carrier. According to the invention, the sleeve pressing side positioning correction of multiple groups of shells and sleeves before assembly is realized, and the relative position precision of the sleeves and the shells during assembly is effectively improved.

Description

Technical Field

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

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

[0003] The structure of a small valve includes an external shell and a sleeve inserted in 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 by 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 of the inner wall of the shell on the sealing ring is different, causing its position to shift and slide out of the rubber ring groove on the outer wall of the sleeve, causing the seal to fail. Based on the above background, in the process of automated assembly of the shell and the sleeve, the relative position correction and positioning problem of the two needs to be solved first; 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 at the same time 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 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.

[0005] The technical solution adopted by the present invention is as follows: a high-precision positioning mechanism for a small valve sleeve of a medical blood cell, which is arranged on a machine platform, 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 are transmitted in a linear direction through the transmission component, and at least two products are placed on the product carrier; a buffer station and a correction station are sequentially arranged on the transmission component along the transmission direction; the blocking component is arranged at the buffer station, and is used to block the limit product carrier; the guide positioning component and the limit lifting component are arranged at the correction station; the guide positioning component is located on both sides of the transmission component, and a guide channel is arranged along the transmission direction, which is used to guide the limit product carrier; the limit lifting component is arranged in the transmission component, and outputs power in the vertical direction, which is used to lift the product carrier upward; the sleeve pressure correction component is arranged at the correction station, and is located above the transmission component, and is used to be sleeved 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 on 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, and 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 opening at the top; the sleeve is a rectangular block-shaped structure, the sleeve is assembled into the shell from the top opening of the shell, and is sealed with the shell through a sealing ring mounted on the outside thereof.

[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 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 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 an installation groove which passes through the casing pressure driving component is provided on the bearing reference component, and the installation groove is internally divided into at least two limit grooves for respectively socketing and limiting 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 bearing reference component at intervals, 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 opened on the sleeve pressure support plate, and a step support block is arranged 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 opened on the sleeve pressure cover plate, and a connecting block protruding inwardly is arranged in the middle of the limit groove; the sleeve pressure reference block includes at least two blocks, and at least two sleeve pressure reference blocks are arranged at intervals 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 piece moves 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, and its opening is arranged toward the mounting groove, and its opening side is provided with a correction groove opening outward along the arc direction, which is used to clamp and limit the product carrier from the side; the second correction block is arranged on the first correction block, the second correction block is a U-shaped block, and its opening is arranged in the same direction as the first correction block, and the outer side of the opening of the second correction block is the reference groove H.

[0017] The beneficial effects of the present invention are: In view of the defects and shortcomings of the prior art, the present invention independently develops and designs a high-precision positioning mechanism for a medical blood cell small valve sleeve, which realizes 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.

[0018] The present invention aims to provide an automated assembly field for medical blood cell miniature valves, and aims to provide a correction and positioning mechanism for the automatic assembly of the sleeve and shell of the miniature valve, so as to correct and position the relative positions of the two before the two are assembled, so as to ensure the subsequent assembly accuracy; specifically, the present invention as a whole comprises 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 along a straight line, and the middle of the transmission component is a transmission channel extending in a straight line, 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 in a straight line; the transmission component is arranged along a straight line, and the transmission channel is provided with a plurality of horizontal transmission belts, and the plurality of horizontal transmission belts are ... The component is provided with buffer stations and correction stations at intervals along the moving 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 guiding and 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 transmission belt through the guiding and 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 arranged on the outside of the transmission component and water The sleeve pressure correction component extending horizontally above it approaches the lifted product carrier from above, and gradually inserts the multiple products on 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 is used as a supporting structure, and an installation groove that passes through the sleeve pressure support plate is opened on the sleeve pressure support plate, and a step support block is arranged inside the installation groove to carry a detachable assembled sleeve pressure cover plate. A plurality of sleeve pressure grooves that pass through the sleeve pressure cover plate are opened corresponding to a plurality of carriers of the product carrier, and correction reference blocks are respectively arranged on the inwardly protruding connection blocks arranged in the sleeve pressure grooves; 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 correction block and the second correction block of the U-shaped structure are respectively oriented toward the product carrier that needs to be side-positioned. When both of them 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 blocks, thereby positioning the first correction block below it. The correction grooves set at the U-shaped opening of the first correction block respectively press against the product carrier from the front and rear sides, thereby realizing high-precision positioning and calibration of the product carrier in the horizontal plane; further, the present invention also provides correction limit blocks protruding outward on the left and right sides of the sleeve pressure support plate, and correction limit columns are also provided on the front and rear correction slides, respectively. When the correction slide drives the first correction block and the second correction block to perform limit correction, the correction limit column will move with the correction slide and press against the correction limit block for auxiliary positioning, thereby improving the positioning accuracy; the correction limit column can be flexibly connected to the correction slide through a spring to ensure that it has a certain distance of free activity space in the front and rear directions. ; BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention.

[0020] Figure 2 This is the second schematic diagram of the three-dimensional structure of the present invention.

[0021] Figure 3 This is the third schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure after the components are hidden in the present invention.

[0023] Figure 5 This is one of the three-dimensional structural schematic diagrams of the product carrier of the present invention.

[0024] Figure 6 This is the second schematic diagram of the three-dimensional structure of the product carrier of the present invention.

[0025] Figure 7 It is a schematic diagram of the connection structure between the carrier and the carrier plate of the present invention.

[0026] Figure 8 This is one of the schematic diagrams of the component disassembly structure of the product of the present invention.

[0027] Fig. 9 This is the second schematic diagram of the component disassembly structure of the product of the present invention.

[0028] Fig.10 It is one of the three-dimensional schematic diagrams of the sleeve of the present invention.

[0029] Fig.11 This is the second stereoscopic schematic diagram of the sleeve of the present invention.

[0030] Fig.12 This is one of the three-dimensional structural schematic diagrams of the position limiting lifting assembly of the present invention.

[0031] Fig.13 This is the second schematic diagram of the three-dimensional structure of the position limiting lifting assembly of the present invention.

[0032] Fig.14 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention.

[0033] Fig.15 This is the second schematic diagram of the three-dimensional structure of the sleeve pressure correction assembly of the present invention.

[0034] Fig.16 It is a schematic diagram of the component disassembly structure of the casing pressure correction assembly of the present invention.

[0035] Fig.17 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention behind the hidden components.

[0036] Fig.18 This is one of the three-dimensional structural schematic diagrams of the sleeve pressure correction assembly of the present invention behind the hidden components.

[0037] In the figure: 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; 1. Transmission component; 2. Product carrier; 3. Blocking component; 4. Sensor; 5. Guiding and positioning component; 6. Sleeve pressure correction component; 7. Limit lifting component; 21. Carrier plate; 22. Carrier seat; 23. Ring limit seat; A. Product slot; B. Positioning slot; 24. Adjustment slot; 25. Connecting slider; 26. Adjustment spring; 61, support; 62, sleeve pressure cylinder; 63, sleeve pressure lifting seat; 64, sleeve pressure support plate; 65, calibration cylinder; 66, calibration slide; 67, calibration limit column; 68, calibration limit block; 69, sleeve pressure cover plate; 610, calibration reference block; 611, first calibration block; 612, second calibration block; F, installation slot; G, sleeve pressure slot; H, reference slot; I, calibration slot; 71. Support plate; 72. Lifting cylinder; 73. Lifting block; 74. Lifting column; 75. Stopping cylinder; 76. Stopping block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] 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, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0041] 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 along 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 It is placed at the buffer 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.

[0042] The transmission component 1 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 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.

[0043] 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 opening at the top; the sleeve 02 is a rectangular block-shaped structure, 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.

[0044] 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 0, and the mounting holes D pass through the sleeve 0 up and down; 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. Example 2

[0045] 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, which are used to limit the product 0.

[0046] 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, and the connecting slider 25 is movable in the adjustment groove 24, so that the position of the carrier 22 can be adjusted. Example 3

[0047] like Figure 12 to Figure 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 lifting blocks 76, wherein the lifting cylinder 72 ... The block 73 is connected to the output end of the lifting cylinder 72 and is driven by the lifting cylinder 72 to move up and down; the lifting pins 74 include at least two, and at least two lifting pins 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 arranged on the blocking block 76 for blocking the product carrier 2. Example 4

[0048] like Figures 14 to 18 As shown, as an embodiment of the present invention, the casing pressure correction component 6 of the present invention 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 which passes through the casing pressure driving component is provided on the bearing reference component, and the mounting groove F is internally 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.

[0049] 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.

[0050] 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 arranged 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 a connecting block protruding inwardly is arranged 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 arranged at intervals below the sleeve pressure cover plate 69, and are respectively connected to at least two protruding connecting blocks.

[0051] 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.

[0052] 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 groove F, and the side of its opening is provided with a correction groove 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 direction is the same as that of the first correction block 611, and the outer side of the opening of the second correction block 612 is the reference groove H.

[0053] Furthermore, the present invention designs a high-precision positioning mechanism for the sleeve of a medical blood cell small valve, which realizes the positioning and correction of the sleeve pressure side of multiple groups of shells and sleeves before assembly, and effectively improves the relative position accuracy of the sleeve and the shell during assembly. The present invention aims to provide a correction and positioning mechanism for the sleeve and the shell of a small valve before automatic assembly, which is applied to the field of automated assembly of medical blood cell small valves, so as to correct and position their relative positions 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 transmission channel extending in a straight line, and horizontal transmission belts are respectively tensioned on the inner walls on 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 in a straight line; the transmission The component is provided with buffer stations and correction stations at intervals along the moving 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 guiding and 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 transmission belt through the guiding and 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 arranged on the outside of the transmission component and water The sleeve pressure correction component extending horizontally above it approaches the lifted product carrier from above, and gradually inserts the multiple products on 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 is used as a supporting structure, and an installation groove that passes through the sleeve pressure support plate is opened on the sleeve pressure support plate, and a step support block is arranged inside the installation groove to carry a detachable assembled sleeve pressure cover plate. A plurality of sleeve pressure grooves that pass through the sleeve pressure cover plate are opened corresponding to a plurality of carriers of the product carrier, and correction reference blocks are respectively arranged on the inwardly protruding connection blocks arranged in the sleeve pressure grooves; 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 correction block and the second correction block of the U-shaped structure are respectively oriented toward the product carrier that needs to be side-positioned. When both of them 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 blocks, thereby positioning the first correction block below it. The correction grooves set at the U-shaped opening of the first correction block respectively press against the product carrier from the front and rear sides, thereby realizing high-precision positioning and calibration of the product carrier in the horizontal plane; further, the present invention also provides correction limit blocks protruding outward on the left and right sides of the sleeve pressure support plate, and correction limit columns are also provided on the front and rear correction slides, respectively. When the correction slide drives the first correction block and the second correction block to perform limit correction, the correction limit column will move with the correction slide and press against the correction limit block for auxiliary positioning, thereby improving the positioning accuracy; the correction limit column can be flexibly connected to the correction slide through a spring to ensure that it has a certain distance of free activity space in the front and rear directions. ;

[0054] The embodiments of the present invention are only to introduce its specific implementation methods and are not intended to limit its protection scope. The technicians in this industry can make some modifications inspired by this embodiment, so any equivalent changes or modifications made according to the scope of the patent 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 medical blood cell small valve sleeve, arranged on a machine platform, comprising a transmission component (1) for outputting linear power, Features: It also includes a product carrier (2), a blocking component (3), a guiding and 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 transmitted along a straight line through the transmission component (1), with at least two products (0) being 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 guiding and positioning assembly (5) and the position-limiting and lifting assembly (7) are arranged at the correction station; the guiding and positioning assembly (5) is located on both sides of the transmission assembly (1), and is provided with a guiding channel along the transmission direction, which is used to guide the position-limiting product carrier (2); the position-limiting and lifting assembly (7) is arranged in the transmission assembly (1), and outputs power in the vertical direction, which is used to lift the product carrier (2) upwards; 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).

2. According to claim 1, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The transmission component (1) comprises a transmission channel extending in a straight line, with horizontal transmission belts being tensioned on the inner walls of both sides of the transmission channel through tensioning wheels, and product carriers (2) being 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. According to claim 1, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The product carrier (2) comprises a carrier plate (21), a carrier seat (22) and a ring limiting seat (23), wherein the carrier plate (21) is horizontally arranged on a transmission belt of a transmission component (1), and at least two positioning slots (B) are provided at the bottom of the carrier plate (21); the carrier seat (22) comprises at least two, at least two carrier seats (22) are arranged on the carrier plate (21) at intervals, and a product slot (A) is provided on the carrier seat (22), and a product (0) is placed in the product slot (A); the front and rear sides and the top of the product slot (A) are open surfaces; and ring limiting seats (23) are respectively provided on both sides of the top open surface of the product slot (A) for limiting the position of the product (0).

4. According to claim 3, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The carrier plate (21) is provided with at least two inwardly recessed adjustment grooves (24); a connecting slider (25) is provided at the bottom of the carrier (22); the connecting slider (25) is embedded in the adjustment groove (24); a side wall of the connecting slider (25) is connected to an 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. According to claim 1, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: 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, 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 a sealing ring (03) sleeved on the outside thereof.

6. According to claim 5, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: 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 (0), and the mounting holes (D) pass through the sleeve (0) 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. According to claim 1, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The position-limiting lifting assembly (7) comprises a support plate (71), a lifting cylinder (72), a lifting block (73), a lifting plug (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 passes through the support plate (71) and extends upward; 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 cylinder (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 column (74) includes at least two, and the at least two lifting plug columns (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 passes through the support plate (71) and extends vertically upward; the blocking block (76) is connected to the output end of the blocking cylinder (75), and a roller is rotatably arranged on the blocking block (76) for blocking the product carrier (2).

8. According to claim 1, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The casing pressure correction component (6) comprises 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 is divided into at least two limiting grooves (G) in the mounting groove (F) for respectively sleeve-limiting at least two product carriers (2); the side pressure correction component comprises 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).

9. According to claim 8, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The casing pressure driving component comprises 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.

10. A high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 9, Features: The bearing reference component comprises 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 arranged 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 arranged on the sleeve pressure cover plate (69), and a connecting block protruding inwardly is arranged in the middle of the limit groove (G); the sleeve pressure reference block (610) comprises at least two blocks, and the at least two sleeve pressure reference blocks (610) are arranged at intervals below the sleeve pressure cover plate (69) and are respectively connected to at least two protruding connecting blocks.

11. According to claim 10, a high-precision positioning mechanism for a medical blood cell small valve sleeve, Features: The side pressure correction component comprises 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 at 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 comprises 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 piece moves with the correction slide (66) so as to correct and position the product carrier (2) from the side.

12. A high-precision positioning mechanism for a medical blood cell small valve sleeve according to claim 11, Features: The correction member comprises 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 edge of the opening is provided with a correction groove (I) opening outwardly along an arc direction, which is used for clamping and limiting the 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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