Pre-assembly transferring mechanism

Abstract

The utility model discloses a pre-assembly transfer mechanism which comprises a vertical moving plate driven by vertical driving power to move up and down, and one or more than two groups of assembly clamping components are orderly mounted on the side surface of the vertical moving plate; each single-group assembling and clamping assembly structurally comprises a vertical guide rail, a lower support is assembled on the vertical guide rail in a sliding mode, and the lower support is driven by linear driving power to move up and down. A clamping air cylinder is installed on the bottom face of the lower support, clamping jaws of the clamping air cylinder are arranged downwards, a pressing block is installed on the side wall face of the clamping air cylinder, and the pressing block is bent and extends to the position between the two clamping jaws. In actual use, along with work of the linear driving power, the pressing block and the clamping air cylinder move downwards along with the lower support, the pressing block downwards applies force to the rod piece below so that the rod piece and the annular piece can be assembled to form an assembly, then the clamping air cylinder works to clamp the assembly through the clamping jaw, pre-assembly of the rod piece and the annular piece is completed, transferring is carried out, the overall structure is compact and ingenious, and the efficiency is high. Downward pressing and clamping are completed by reasonably applying downward action of linear driving power, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of injection pen assembly equipment, in particular to a pre-assembly transfer mechanism. Background Art

[0002] Pen injectors, also known as injection pens, are products that combine drugs and syringes into one. They look like a pen and are suitable for self-management of various chronic diseases, including insulin for diabetes, growth hormone, osteoporosis treatment drugs, multiple sclerosis treatment drugs, anemia treatment drugs, and rheumatoid arthritis.

[0003] With the promotion and use of full automation, in order to improve the assembly efficiency of injection pens and ensure their assembly stability, it is necessary to introduce a fully automated production line for injection pens.

[0004] The components of an injection pen include a linkage gear and a transmission rod. During actual assembly, the linkage gear must be secured to the transmission rod. Because the injection pen itself is compact and portable, these crucial transmission components, such as the linkage gear and transmission rod, are designed to be more compact in size and shape. However, there is currently no efficient automated equipment for the rapid and automated installation of the linkage gear and transmission rod. Utility Model Content

[0005] To solve the above problems, the present application provides a pre-assembly transfer mechanism with a rational structure, which cleverly uses the downward action of the linear driving force to complete the downward pressure and clamping. It is particularly suitable for the installation between the linkage gear and the transmission rod in the assembly of the injection pen, with high efficiency, good effect and good practicality.

[0006] The technical solutions adopted in this utility model are as follows:

[0007] A pre-assembled transfer mechanism includes a vertical moving plate that is driven to move up and down by a vertical driving power, and one or more assembly clamping components are installed in order on the side of the vertical moving plate; the structure of a single assembly clamping component is: it includes a vertical guide rail installed on the vertical moving plate, and a lower support is slidably mounted on the vertical guide rail, and the lower support is driven by a linear driving power to move up and down along the vertical guide rail; a clamping cylinder is installed on the bottom surface of the lower support, and the clamping claws of the clamping cylinder are arranged downward, and a pressure block is installed on the side wall of the clamping cylinder, and the pressure block is bent and extended between the two clamping claws.

[0008] As a further improvement of the above technical solution:

[0009] It also includes columns arranged at intervals, with a backboard installed on each column, a transverse module installed on the side of the backboard, a transverse plate installed on the transverse module for sliding, and a vertical plate installed on the side of the transverse plate through vertical driving power and a guide rail slider assembly.

[0010] An upper support is slidably installed on the vertical guide rail above the lower support, and an elastic component is installed between the upper support and the lower support; the linear drive power is installed on the side of the vertical moving plate, and the linear drive power output end faces downward and is assembled with the upper support.

[0011] The structure of the elastic component is as follows: it includes a vertical pole with its bottom end fixedly mounted on the lower support, the vertical pole passes through the upper support upward, and an elastic part is mounted on the vertical pole located between the upper support and the lower support; and an anti-separation limit block is provided at the top of the vertical pole.

[0012] The sides of the two clamping jaws facing each other are respectively concave to form an inwardly concave arc groove, and the ends of the two clamping jaws located below the inwardly concave arc groove respectively extend downwardly and inwardly to form a support platform.

[0013] The pressing block is an L-shaped structure, wherein the horizontal arm of the pressing block extends between the two clamping jaws, and the bottom surface of the horizontal arm is concave to form an inner concave hole, which is located directly above the two clamping jaws after they are closed.

[0014] It also includes a turntable, a fixture seat is installed on the edge of the turntable, and a plurality of vertically arranged support rods are installed on the fixture seat; the support rods are located below the assembly clamping components, and the support rods correspond to the assembly clamping components one by one above and below.

[0015] The jig seat is fixed on the turntable, and the middle part of the support rod is enlarged to form a sliding fitting part. A vertical hole is opened on the jig seat for the sliding fitting part to accommodate and move relatively. The support rod located below the sliding fitting part passes downward through the turntable; an elastic body is installed on the support rod located between the sliding fitting part and the turntable.

[0016] The diameter of the support rod increases gradually from top to bottom to form a first rod portion and a second rod portion respectively. The diameter of the first rod portion located at the top is smaller than the diameter of the second rod portion located at the bottom, and the top surface of the second rod portion constitutes a supporting surface.

[0017] A vertical groove is provided from top to bottom along the length direction of the support rod.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] In actual use, the utility model, as the linear drive power works, the pressing block and the clamping cylinder move downward along with the lower support, and the pressing block applies force downward to the lower rod to assemble the rod and the ring to form an assembly. Then the clamping cylinder works to clamp the assembly via the clamping claws, completing the pre-assembly of the rod and the ring and performing the transfer. The overall structure is compact and ingenious, and the downward action of the linear drive power is rationally used to complete the downward pressing and clamping. It is particularly suitable for the installation between the linkage gear and the transmission rod in the assembly of the injection pen, with high efficiency, good effect and good practicality.

[0020] The utility model also has the following advantages:

[0021] By arranging the elastic assembly between the lower support and the upper support, the linear driving force pushes the upper support to move downward, pushes the lower support to move after the elastic assembly, so that the lower support bottom surface pressure block can have certain elastic buffer when descending and applying force, effectively ensures the downward pressure effect, and avoids hard contact.

[0022] The rotary table jig seat supports the annular piece and the rod piece loaded in sequence through the support rod, and the elastic body arranged on the support rod is combined, the elastic body is compressed downward after the pressure block descends and applies force, the rod piece on the support rod descends and is clamped with the annular piece below, the annular piece is sleeved on the rod piece to form an assembly, and then the assembly is driven to ascend with the support rod under the elastic action of the elastic body, so that the clamping of the clamping jaw is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the utility model.

[0024] Figure 2 It is a partial enlarged view of A in the middle. Figure 1

[0025] Figure 3 It is a layout schematic view of the multiple sets of assembly clamping assemblies on the vertical moving plate of the utility model.

[0026] Figure 4 It is a partial enlarged view of B in the middle. Figure 3

[0027] Figure 5 It is a layout schematic view of the pressure block and the clamping jaw of the clamping cylinder relative to the assembly of the utility model.

[0028] Figure 6 It is a partial enlarged view of C in the middle. Figure 5

[0029] Figure 7 It is a structural schematic view of the pressure block of the utility model.

[0030] Figure 8 It is an installation schematic view of the jig seat and the support rod on the rotary table of the utility model.

[0031] Figure 9 It is a structural schematic view of the support rod of the utility model.

[0032] 1, rotary table; 2, back plate; 3, horizontal moving module; 4, vertical driving force; 5, linear driving force; 6, elastic assembly; 7, pressure block; 8, clamping cylinder; 10, annular piece; 20, rod piece; 201, clamping groove;

[0033] ​​​11. Fixture seat; 12. Support rod; 13. Elastic body; 111. Through slot; 121. Vertical slot; 122. Sliding fitting portion; 123. Support surface; 124. First rod portion; 125. Second rod portion;

[0034] 31. Transverse plate;

[0035] 41. Vertical sliding plate;

[0036] 51. Vertical guide rail; 52. Upper support; 53. Lower support;

[0037] 71. horizontal arm; 72. inner concave hole;

[0038] 81. Clamping jaw; 811. Inwardly concave arc groove; 812. Support. DETAILED DESCRIPTION

[0039] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.

[0040] like Figure 1 and Figure 3 As shown, a pre-assembled transfer mechanism of this embodiment includes a vertical moving plate 41 that is driven up and down by a vertical driving power 4, and one or more groups of assembly clamping components are installed in order on the side of the vertical moving plate 41; the structure of a single group of assembly clamping components is: including a vertical guide rail 51 installed on the vertical moving plate 41, and a lower support 53 is slidably mounted on the vertical guide rail 51, and the lower support 53 is driven by a linear driving power 5 to move up and down along the vertical guide rail 51; a clamping cylinder 8 is installed on the bottom surface of the lower support 53, and the clamping claws 81 of the clamping cylinder 8 are arranged downward, and a pressure block 7 is installed on the side wall of the clamping cylinder 8, and the pressure block 7 is bent and extended to between the two clamping claws 81.

[0041] In actual use, as the linear drive power 5 works, the pressure block 7 and the clamping cylinder 8 move downward along with the lower support 53, and the pressure block 7 applies downward force to the lower rod 20 to cause the rod 20 and the ring member 10 to be assembled to form an assembly. Then the clamping cylinder 8 works to clamp the assembly through the clamping claw 81, completing the pre-assembly of the rod 20 and the ring member 10 and transferring it. It is particularly suitable for the installation between the linkage gear and the transmission rod in the assembly of the injection pen.

[0042] It also includes columns arranged at intervals, on which a back plate 2 is installed together, a transverse module 3 is installed on the side of the back plate 2, a transverse plate 31 is slidably installed on the transverse module 3, and a vertical plate 41 is installed on the side of the transverse plate 31 through a vertical driving power 4 and a guide rail slider assembly; after the clamping cylinder 8 clamps the assembly through the clamping claw 81, the assembly can be transferred to the next process through the operation of the transverse module 3.

[0043] like Figure 4As shown, an upper support 52 is slidably installed on the vertical guide rail 51 located above the lower support 53, and an elastic component 6 is installed between the upper support 52 and the lower support 53; the linear drive power 5 is installed on the side of the vertical moving plate 41, and the output end of the linear drive power 5 faces downward and is assembled with the upper support 52.

[0044] In this embodiment, an elastic component 6 is provided between the lower support 53 and the upper support 52, so that the linear driving force 5 pushes the upper support 52 downward to move, and then pushes the lower support 53 to move after passing through the elastic component 6, so that the bottom surface pressure block 7 of the lower support 53 can have a certain elastic buffer when applying downward force, while effectively ensuring the downward pressure effect and avoiding hard contact.

[0045] The structure of the elastic component 6 is as follows: it includes a vertical pole whose bottom end is fixedly mounted on the lower support 53, the vertical pole passes through the upper support 52 upward, and an elastic part is mounted on the vertical pole located between the upper support 52 and the lower support 53; an anti-separation limit block is provided at the top of the vertical pole, and the limit block prevents the vertical pole from separating from the upper support 52.

[0046] In this embodiment, as the linear driving power 5 moves, the upper support 52 and the lower support 53 move downward along the vertical guide rail 51 until the bottom surface of the pressure block 7 contacts the rod 20 and generates a reaction force. As the linear driving power 5 continues to move, the upper support 52 continues to move downward, while the lower support 53 temporarily does not move. The neutral rod of the elastic component 6 moves upward relative to the upper support 52, and the elastic member is compressed until the compression force of the elastic member gradually increases and drives the pressure block 7 downward to promote the assembly between the rod 20 and the annular member 10.

[0047] like Figure 5 and Figure 6 As shown, the facing sides of the two clamping jaws 81 are respectively concave to form a concave arc groove 811, and the concave arc groove 811 is arranged on the circumferential outside of the rod 20; the ends of the two clamping jaws 81 located below the concave arc groove 811 extend downward and inward to form a support 812. After the rod 20 and the ring member 10 are assembled, the ring member 10 can be supported from below via the support 812, so that the clamping jaws 81 can clamp the assembly.

[0048] The pressing block 7 is an L-shaped structure. The horizontal arm 71 of the pressing block 7 extends between the two clamping jaws 81. The bottom surface of the horizontal arm 71 is concave to form an inner concave hole 72. Figure 7 As shown, the inner concave hole 72 is located directly above the two clamping jaws 81 after closing; when in use, the inner concave hole 72 of the pressure block 7 is sleeved on the top of the rod 20, and force is applied downward to the rod 20 through the inner concave hole 72, thereby effectively ensuring the stability and reliability of the force applied to the rod 20.

[0049] exist Figure 1 and Figure 2The embodiment shown also includes a turntable 1, with a fixture base 11 installed on the edge of the turntable 1, and a plurality of vertically arranged support rods 12 installed on the fixture base 11; the support rods 12 are located below the assembly clamping assembly, and the support rods 12 correspond to the assembly clamping assembly one by one above and below.

[0050] In this embodiment, the turntable 1 can be provided with multiple workstations according to actual needs, such as a workstation for automatic loading of the ring member 10 , a workstation for automatic loading of the rod member 20 , a detection workstation, etc., which effectively helps to realize and ensure the fully automated assembly of the injection pen.

[0051] In this embodiment, the support rod 12 on the fixture base 11 is provided to support and position the ring member 10 and the rod member 20 before installation, which facilitates pre-assembly when pressing down.

[0052] like Figure 8 As shown, the fixture base 11 is fixed on the turntable 1, and the middle size of the support rod 12 is enlarged to form a sliding fitting portion 122. A vertical hole is opened on the fixture base 11 for the sliding fitting portion 122 to accommodate and move relatively. The support rod 12 located below the sliding fitting portion 122 passes downward through the turntable 1; an elastic body 13 is installed on the support rod 12 located between the sliding fitting portion 122 and the turntable 1.

[0053] In actual use, the ring part 10 and the rod part 20 that are loaded in sequence are supported by the support rod 12 on the fixture seat 11 of the turntable 1. Combined with the setting of the elastic body 13 on the support rod 12, after the pressure block 7 applies force downward, the rod part 20 transmits force downward to the support rod 12, and the support rod 12 compresses the elastic body 13 downward. The rod part 20 on the support rod 12 moves downward and is clamped with the ring part 10 below, so that the ring part 10 is fitted on the rod part 20 to form an assembly, and then the assembly is driven upward with the support rod 12 under the elastic action of the elastic body 13, which is convenient for clamping by the clamping claw 81.

[0054] like Figure 9 As shown, the diameter of the support rod 12 gradually increases from top to bottom to form a first rod portion 124 and a second rod portion 125 . The diameter of the first rod portion 124 at the top is smaller than the diameter of the second rod portion 125 at the bottom. The top surface of the second rod portion 125 constitutes a supporting surface 123 .

[0055] In this embodiment, after the annular member 10 is loaded and sleeved onto the support rod 12, the annular member 10 is located at the second rod portion 125, and the annular member 10 is supported on the top surface of the jig seat 11; after the rod member 20 is loaded and placed on the support rod 12, the rod member 20 is sleeved on the first rod portion 124, and the rod member 20 is supported and limited on the supporting surface 123; thereby realizing the support and limitation of the annular member 10 and the rod member 20 on the jig seat 11 before pressing down for assembly.

[0056] A vertical groove 121 is formed along the length of the support rod 12 from top to bottom.

[0057] In actual assembly, the inner wall surface of the ring member 10 bulges inward to form a bump, and a vertical groove is opened on the rod member 20 to form a card slot 201. After the ring member 10 is mounted on the rod member 20, the bump is card-fitted into the card slot 201, thereby realizing the fixed installation of the ring member 10 on the rod member 20.

[0058] By providing a vertical groove 121 on the support rod 12, the ring member 10 can be circumferentially positioned via the vertical groove 121; a convex rib matching the vertical groove 121 can also be provided on the rod member 20, and the convex rib and the vertical groove 121 are assembled to achieve the circumferential positioning of the rod member 20 on the support rod 12, thereby effectively ensuring the reliable positioning of the rod member 20 and the ring member 10 in the circumferential direction, so that the slot 201 of the rod member 20 and the protrusion on the ring member 10 can be aligned vertically, and the installation with the ring member 10 is achieved as the rod member 20 descends.

[0059] In this embodiment, a through slot 111 is provided on the fixture base 11. The through slot 111 reduces the contact area between the top surface of the fixture base 11 and the ring member 10. At the same time, the through slot 111 can also avoid the clamping action of the clamping jaws 81.

[0060] The usage of this utility model is:

[0061] As the turntable 1 rotates, the annular member 10 and the rod 20 are respectively loaded and sleeved on the support rod 12 of the fixture seat 11; the vertical driving power 4 works, and each group of assembled clamping components moves downward along the vertical moving plate 41 and approaches the fixture seat 11; the linear driving power 5 works, pushing the upper support 52 and the lower support 53 to move downward along the vertical guide rail 51 until the bottom surface of the pressure block 7 contacts the top of the rod 20 and generates a reaction force; as the linear driving power 5 continues to move, the upper support 52 continues to move downward, while the lower support 53 does not move temporarily, and the elastic member in the elastic member 6 is compressed until the compression force of the elastic member gradually increases and drives the pressure block 7 downward to apply force to the rod Part 20 transmits force downward to the support rod 12 through the rod 20, the support rod 12 moves downward relative to the fixture seat 11, and the elastic body 13 is compressed until the rod 20 moves downward with the support rod 12 and is assembled with the lower ring member 10 to form an assembly; the linear drive power 5 works in the opposite direction, and the compressed elasticity of the elastic body 13 pushes the rod 20 upward through the support rod 12, and the assembly moves upward relative to the fixture seat 11, and the ring member 10 is separated from the top surface of the fixture seat 11; the clamping cylinder 8 works, and the assembly is clamped by the opposite movement of the clamping jaws 81 through the ring member 10; the transverse module 3 works to move the assembly to the next workstation, completing the pre-assembly of the ring member 10 and the rod 20.

[0062] The utility model has a compact and ingenious overall structure, and rationally utilizes the downward action of the linear driving power to complete the pressing and clamping, and is particularly suitable for the installation between the linkage gear and the transmission rod in the assembly of the injection pen, with high efficiency, good effect and good practicality.

[0063] The various embodiments described in this specification are presented by way of example, and each embodiment describes a specific implementation of the application. The embodiments are not intended to limit the scope of the application, which is defined by the appended claims. Each embodiment can be combined with one or more other embodiments, and the description of each embodiment is not intended to exclude the combination of the described features with features of other embodiments.

[0064] The above description is an explanation of the application, not a limitation of the application. The scope of the application is defined by the appended claims. Within the scope of the application, any modification can be made.

Claims

1. A pre-assembled transfer mechanism, characterized in that: It comprises a vertical moving plate (41) driven by a vertical driving power (4) to move up and down, and one or more groups of assembly clamping components are sequentially installed on the side of the vertical moving plate (41); The structure of the single-group assembly clamping component is as follows: it includes a vertical guide rail (51) installed on the vertical moving plate (41), a lower support (53) is slidably mounted on the vertical guide rail (51), and the lower support (53) is driven by a linear driving power (5) to move up and down along the vertical guide rail (51); a clamping cylinder (8) is installed on the bottom surface of the lower support (53), the clamping claw (81) of the clamping cylinder (8) is arranged downward, and a pressure block (7) is installed on the side wall surface of the clamping cylinder (8), and the pressure block (7) is bent and extended to between the two clamping claws (81).

2. A pre-assembly transfer mechanism according to claim 1, characterized in that: The utility model also includes vertical columns arranged at intervals, a back plate (2) is commonly installed on the vertical columns, a transverse module (3) is installed on the side of the back plate (2), a transverse plate (31) is slidably installed on the transverse module (3), and a vertical plate (41) is installed on the side of the transverse plate (31) via a vertical driving power (4) and a guide rail slider assembly.

3. The pre-assembly transfer mechanism according to claim 1, characterized in that: An upper support (52) is slidably mounted on a vertical guide rail (51) located above a lower support (53), and an elastic component (6) is mounted between the upper support (52) and the lower support (53); the linear drive power (5) is mounted on the side of the vertical moving plate (41), and the output end of the linear drive power (5) faces downward and is assembled with the upper support (52).

4. A pre-assembly transfer mechanism according to claim 3, characterized in that: The structure of the elastic component (6) is as follows: it comprises a vertical pole with its bottom end fixedly mounted on a lower support (53), the vertical pole passing through the upper support (52) upwards, an elastic member being sleeved on the vertical pole located between the upper support (52) and the lower support (53); and a limit block for preventing separation being provided at the top end of the vertical pole.

5. The pre-assembly transfer mechanism according to claim 1, characterized in that: The facing sides of the two clamping jaws (81) are respectively concave to form an inwardly concave arcuate groove (811), and the ends of the two clamping jaws (81) located below the inwardly concave arcuate groove (811) respectively extend downwardly and inwardly to form a support platform (812).

6. The pre-assembly transfer mechanism according to claim 1, characterized in that: The pressing block (7) is an L-shaped structure. The horizontal arm (71) of the pressing block (7) extends between the two clamping jaws (81). The bottom surface of the horizontal arm (71) is concave to form an inner concave hole (72). The inner concave hole (72) is located directly above the two clamping jaws (81) after they are closed.

7. The pre-assembly transfer mechanism according to claim 1, characterized in that: The invention also comprises a turntable (1), wherein a fixture seat (11) is installed on the edge of the turntable (1), and a plurality of vertically arranged support rods (12) are installed on the fixture seat (11); the support rods (12) are located below the assembly clamping component, and the support rods (12) correspond to the assembly clamping component one by one.

8. The pre-assembly transfer mechanism according to claim 7, characterized in that: The fixture seat (11) is fixed on the turntable (1); the middle portion of the support rod (12) is enlarged to form a sliding fitting portion (122); a vertical hole is provided on the fixture seat (11) for the sliding fitting portion (122) to be accommodated and relatively moved; the support rod (12) located below the sliding fitting portion (122) passes downward through the turntable (1); and an elastic body (13) is sleeved on the support rod (12) located between the sliding fitting portion (122) and the turntable (1).

9. The pre-assembly transfer mechanism according to claim 7, characterized in that: The support rod (12) has a diameter that gradually increases from top to bottom to form a first rod portion (124) and a second rod portion (125), wherein the diameter of the first rod portion (124) located at the top is smaller than the diameter of the second rod portion (125) located at the bottom, and the top surface of the second rod portion (125) forms a supporting surface (123).

10. The pre-assembly transfer mechanism according to claim 7, characterized in that: A vertical groove (121) is provided along the length direction of the support rod (12) from top to bottom.

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