Silicone tube processing jig device

Abstract

The utility model discloses a silicone tube processing jig device which comprises a shell, an opening air cylinder and an opening assembly, the opening air cylinder is fixedly connected in the shell, the opening assembly is arranged in the shell in a sliding mode and can be opened and closed, and the opening air cylinder is connected with the opening assembly and used for opening a silicone tube. A push-out air cylinder is further fixedly connected into the shell, the push-out air cylinder is connected with a push-out part, and the push-out part is provided with a first penetrating hole used for penetrating through the opening assembly, so that when the opening assembly is opened, the push-out part is arranged on the inner side of the opening assembly; a positioning assembly is arranged between the push-out piece and the shell and used for limiting and positioning the length of the PVC pipe. According to the silicone tube expanding device, the silicone tube can be automatically expanded, the silicone tube can extend into a PVC (polyvinyl chloride) tube at a fixed length and can be automatically pushed out, so that the production efficiency can be improved, the working operation is stable, and the product quality is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of silicone tube processing technology, and in particular to a silicone tube processing fixture device. Background Technology

[0002] Currently, the production process of silicone tubes generally involves manually expanding the silicone tube using a jig and then inserting it into a PVC tube to complete the processing. This results in low production capacity.

[0003] The silicone tube is often handled manually. The silicone tube is fitted onto the PVC pipe with a certain length reserved for subsequent product use. Therefore, the current practice is to manually measure the dimensions on the PVC pipe in advance and draw positioning lines, then fit the silicone tube onto a hollow ring-shaped expander, insert the PVC pipe into the silicone tube, align the silicone tube with the positioning lines on the PVC pipe, and finally loosen the silicone tube and pull out the PVC pipe. This work is inefficient, seriously affects production capacity, is difficult to perform manually, and seriously affects product quality. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned defects in the prior art and provide a silicone tube processing fixture device that can automatically open the silicone tube, and can be set to extend into the PVC tube at a fixed length and automatically push it out. This not only improves production efficiency, but also greatly enhances product quality due to stable operation.

[0005] To achieve the above objectives, this utility model provides a silicone tube processing fixture device, comprising: a housing, a spreading cylinder fixedly connected inside the housing, and a slidable and closable spreading component slidably disposed inside the housing, wherein the spreading cylinder is connected to the spreading component and is used to spread the silicone tube.

[0006] An ejector cylinder is also fixedly connected inside the housing. The ejector cylinder is connected to an ejector component. The ejector component has a first through hole for passing through the spreading assembly, so that when the spreading assembly is opened, the ejector component is placed inside the spreading assembly.

[0007] A positioning component is provided between the ejector and the housing for limiting and positioning the length of the PVC pipe.

[0008] Furthermore, the housing includes an upper shell, a bottom shell, a front shell, and a rear shell that are spliced ​​together. A second through-hole is provided on the front shell for the expansion assembly to pass through, allowing the expansion assembly to pass through the front shell and be positioned outside the housing. This splicing design of the upper shell, bottom shell, front shell, and rear shell enables parallel production and rapid assembly. Each housing component can be independently repaired and replaced, reducing maintenance costs.

[0009] Furthermore, the spreading assembly includes a first sliding shaft, a first connecting block, a second connecting block, several transmission arms, and several support claws. The first sliding shaft is fixedly connected to the inside of the housing. The first connecting block is slidably disposed on the first sliding shaft and connected to the spreading cylinder. One end of the transmission arm is axially connected to the first connecting block, and the other end of the transmission arm is axially connected to one end of the support claw. The second connecting block is fixedly connected to the inside of the housing, and the first sliding shaft is placed on the axis of the second connecting block, so that the centers of the second connecting block and the first connecting block are on the same axis. The other end of the support claw is axially connected to the second connecting block and passes through the first through hole. The first connecting block (sliding end) and the second connecting block (fixed end) form a symmetrical mechanical fulcrum. The linear motion of the spreading cylinder is converted into the radial expansion of the support claws through the transmission arms. The transmission arms and the support claws constitute a two-stage lever system, which can proportionally amplify the cylinder thrust (e.g., a 1:3 lever ratio design), suitable for operating thick-walled silicone tubes that require large spreading forces. Meanwhile, one end of the support claw is hinged to the transmission arm, and the other end is connected to the shaft of the second connecting block, forming a combination of "fixed hinge + floating hinge", which eliminates the risk of motion jamming and is particularly suitable for the reaction force fluctuations generated by the deformation of the silicone tube.

[0010] Furthermore, the support claw includes a connecting part, a bending part, and an opening part. The connecting part is shaft-connected to the other end of the transmission arm, and the bending part is shaft-connected to the second connecting block. This connection enables the opening part to open or close along the axis. The connecting part fixes the power input of the transmission arm, the bending part realizes the rotational freedom in the axial direction, and the opening part performs radial expansion. The three parts independently bear the mechanical load in different directions, thereby improving the accuracy of the opening angle control.

[0011] Furthermore, a second guide shaft extends outward from the housing, and the ejector is movably connected to this second guide shaft. By providing a second guide shaft to guide the movement of the ejector, the stability of the ejector operation is improved.

[0012] Furthermore, the ejector is provided with an opening slot that matches the number of the support claws. The opening slot communicates with the first through hole, and its orientation is consistent with the opening direction of the support claws.

[0013] Furthermore, the positioning component includes an adjusting rod fixed to the ejector, and an adjustable limiting plate is provided on the adjusting rod. The limiting plate has a limiting portion that corresponds to the position of the first through hole. Thus, by controlling the position of the limiting plate, the insertion depth of the PVC pipe can be adjusted, thereby achieving fixed-length operation and eliminating the need for manual measurement and alignment.

[0014] Furthermore, each adjusting rod is provided with two adjusting nuts positioned vertically. The two ends of the limiting baffle are sleeved on the adjusting rod and placed between the adjusting nuts. By adjusting the height of the nuts, the position of the limiting baffle can be adjusted, thereby facilitating the adjustment of the limiting baffle position and improving the efficiency of adjustment.

[0015] Furthermore, a first avoidance groove for cooperating with the support claw is provided on the limiting baffle. This ensures that the opening of the spreading assembly and the axial movement of the ejector do not interfere with each other, effectively maximizing the utilization of workspace.

[0016] Furthermore, a counter is also installed on the housing to facilitate workers in counting the number of tasks performed.

[0017] Compared with the prior art, this utility model has the following advantages: This utility model uses a spreading cylinder and a spreading component to automatically spread the silicone tube to form an insertion channel for the PVC tube. Then, the PVC tube is manually inserted, and the PVC tube is pushed out by the ejecting cylinder and ejecting component to complete the assembly. The process time is reduced to 3 seconds per piece (the traditional step-by-step operation takes 12 seconds). The geometric matching between the first through hole of the ejecting component and the spreading component ensures that the opening of the spreading component and the axial movement of the ejecting component do not interfere with each other, and the effective working space utilization rate is increased by 65%.

[0018] In this invention, a spreading assembly is used to spread the silicone tube. In particular, the first connecting block (sliding end) and the second connecting block (fixed end) form a symmetrical mechanical fulcrum. The linear motion of the spreading cylinder is converted into the radial expansion of the supporting claw by the transmission arm. The transmission arm and the supporting claw form a two-stage lever system, which can proportionally amplify the cylinder thrust to adapt to silicone tubes of different wall thicknesses and improve its applicability to the product. At the same time, one end of the supporting claw is hinged to the transmission arm, and the other end is shaft-connected to the second connecting block, forming a "fixed hinge + floating hinge" combination, eliminating the risk of motion jamming and being particularly suitable for the reaction force fluctuations generated by the deformation of the silicone tube.

[0019] Furthermore, the connecting part of the support claw of this utility model fixes the power input of the transmission arm, the bending part realizes the rotational freedom in the axial direction, and the spreading part performs radial expansion. The three parts independently bear the mechanical load in different directions, thereby improving the control accuracy of the spreading angle.

[0020] In summary, this utility model can not only achieve precise silicone tube opening and fixed-length PVC tube insertion to achieve precise alignment between the silicone tube and PVC tube, but also automatically push out the assembled silicone tube and PVC tube after completion, realizing a semi-automatic operation mode. Compared with the fully manual operation of the existing technology, it can not only improve efficiency, but also ensure the quality of product processing. Furthermore, the optimized structural design can save the coordination of various components, and the components do not interfere with each other, effectively increasing the utilization rate of working space by 65%. Attached Figure Description

[0021] To more clearly illustrate the technology in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a silicone tube processing fixture device according to this utility model;

[0023] Figure 2 yes Figure 1 An explosion diagram;

[0024] Figure 3 yes Figure 1 A schematic diagram of the structure with the shell hidden in the middle;

[0025] Figure 4 This is a schematic diagram of the support claw of this utility model;

[0026] Figure 5 This is a schematic diagram of the assembly structure of the ejector cylinder and ejector components of this utility model;

[0027] Figure 6 This is a schematic diagram of the positioning component of this utility model;

[0028] Figure 7 This is a schematic diagram of the extended portion of this utility model in its closed state;

[0029] Figure 8 This is a schematic diagram of the opening motion trajectory of the transmission arm and the support claw in this embodiment;

[0030] Figure 9 This is a schematic diagram of the opening motion trajectory of the spreading part.

[0031] The diagram includes:

[0032] 1. Housing; 11. Upper housing; 12. Bottom housing; 13. Front housing; 131. Second through hole; 14. Rear housing; 2. Spreading cylinder; 3. Spreading assembly; 31. First sliding shaft; 32. First connecting block; 321. First groove; 33. Second connecting block; 331. Second groove; 34. Transmission arm; 35. Support claw; 351. Connecting part; 352. Bending part; 353. Spreading part; 4. Push-out cylinder; 5. Push-out part; 51. First through hole; 52. Second guide shaft; 53. Opening through slot; 6. Positioning assembly; 61. Adjusting rod; 62. Restricting baffle; 621. Restricting part; 622. First avoidance groove; 63. Adjusting nut; 7. Counter. Detailed Implementation

[0033] The technology of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0036] Please see Figures 1 to 9 The present invention provides a silicone tube processing fixture device, comprising: a housing 1, a spreading cylinder 2, a spreading assembly 3, an ejecting cylinder 4, an ejector 5, and a positioning assembly 6.

[0037] like Figures 1-5 As shown, the housing 1 is composed of a spliced ​​structure. In this embodiment, the housing 1 includes an upper shell 11, a bottom shell 12, a front shell 13, and a rear shell 14 that are spliced ​​together. A second through hole 131 for the expansion assembly 3 to pass through is provided on the front shell 13, so that the expansion assembly 3 passes through the front shell 13 and is placed outside the housing 1, as shown. Figure 2 and Figure 3As shown, the opening cylinder 2 is fixed to the inner wall of the front shell 13, and the opening assembly 3 is slidably disposed inside the shell 1 for opening the silicone tube. The opening assembly 3 includes a first sliding shaft 31, a first connecting block 32, a second connecting block 33, several transmission arms 34, and several support claws 35. In this embodiment, the number of transmission arms 34 and support claws 35 are three each, and they are equidistant from each other around the first sliding shaft 31. Specifically, the first sliding shaft 31 is fixed between the front shell 13 and the rear shell 14, and the first connecting block 32 is slidably disposed on the first sliding shaft 31 and connected to the opening cylinder 2. The first connecting block 32 and the first sliding shaft... 31 can be connected by a slider or a linear bearing. It is only necessary to enable the first connecting block 32 to slide along the first sliding shaft 31. At the same time, the output shaft of the opening cylinder 2 is connected to a cylinder connecting block. The end of the cylinder connecting block away from the opening cylinder 2 is also slidably sleeved on the first sliding shaft 31 and fixedly connected to the lower end of the first connecting block 32 to realize the linkage between the two. Three first grooves 321 are opened on the side edge of the first connecting block 32. One end of the transmission arm 34 is inserted into the first groove 321 and is connected to the shaft of the first connecting block 32 through a movable shaft. The other end of the transmission arm 34 is movably connected to one end of the support claw 35.

[0038] The second connecting block 33 is fixed to the inner wall of the front shell 13, and one end of the first sliding shaft 31 away from the rear shell 14 is fixed to the axis of the second connecting block 33, so that the center of the second connecting block 33 and the center of the first connecting block 32 are on the same axis. The other end of the support claw 35 is connected to the axis of the second connecting block 33 and extends through the second through hole 131 to the outside of the shell 1. Specifically, as shown in the figure... Figure 3 and Figure 4 As shown, the support claw 35 includes a connecting part 351, a bending part 352, and an opening part 353. The connecting part 351 is axially connected to the other end of the transmission arm 34. Simultaneously, three sets of second grooves 331 are also provided on the second connecting block 33. The bending part 352 is inserted into the second groove 331 and connected to the second connecting block 33 via a movable shaft, thus achieving axial connection. This allows the opening part 353 to open or close along the axis. The connecting part 351 cooperates with the power input of the transmission arm 34, the bending part 352 achieves rotational freedom in the axial direction, and the opening part 353 performs radial expansion. The three parts independently bear mechanical loads in different directions, improving the accuracy of the opening angle control. The bending part 352 allows the opening part 353 to pass through the second through hole 131 perpendicularly to the front shell 13 and extend outside the shell 1, forming a configuration as shown in the diagram. Figure 1 The combined states in.

[0039] like Figure 5As shown, a push-out cylinder 4 is also fixedly connected inside the housing 1. The push-out cylinder 4 is connected to a push-out member 5. The push-out member 5 is provided with a first through hole 51 for passing through the opening assembly 3, so that when the opening assembly 3 is opened, the push-out member 5 is placed inside the opening assembly 3.

[0040] To improve the stability of the ejector 5 during operation, preferably, a second guide shaft 52 is provided extending outward from the front housing 13, and the ejector 5 is movably connected to the second guide shaft 52.

[0041] Preferably, the ejector 5 is provided with an opening slot 53 matching the number of support claws 35. The opening slot 53 communicates with the first through hole 51, and its orientation is consistent with the opening direction of the support claws 35. The opening slot 53 is designed to accommodate the opening trajectory of the supporting part 353, so that the ejector 5 does not interfere with the operation of the support claws 35, and improves the utilization of space.

[0042] like Figure 1 , Figure 2 and Figure 3 As shown, a positioning assembly 6 is provided between the ejector 5 and the housing 1 for limiting and positioning the length of the PVC pipe. Specifically, the positioning assembly 6 includes an adjusting rod 61 fixed to the ejector 5, and an adjustable limiting baffle 62 on the adjusting rod 61. The limiting baffle 62 has a limiting part 621, which corresponds to the position of the first through hole 51. The position of the limiting baffle 62 is adjusted by adjusting nuts 63. Specifically, two adjusting nuts 63 are provided on the adjusting rod 61, and the two ends of the limiting baffle 62 are sleeved on the adjusting rod 61 and placed between the adjusting nuts 63. Thus, by controlling the position of the limiting baffle 62, the insertion depth of the PVC pipe can be adjusted, thereby achieving fixed-length operation without the need for manual measurement and alignment.

[0043] Preferably, a first avoidance groove 622 for engaging the support claw 35 is provided on the limiting baffle 62. This ensures that the opening of the spreading assembly 3 and the axial movement of the push-out member 5 do not interfere with each other, thus maximizing the utilization of workspace.

[0044] Preferably, a counter 7 is also provided on the housing 1 to facilitate workers in counting the number of tasks.

[0045] Brief description of the working principle of this utility model: This utility model is in its initial state of use as follows... Figure 1 As shown, the three expansion parts 353 are in a closed state. Before starting work, the operator needs to adjust the adjusting nut 63 to adjust the distance between the limiting baffle 62 and the push-out part 5. This distance is the length of the reserved PVC pipe. After starting work, first put the silicone tube onto the expansion part 353, and then start the expansion cylinder 2, as shown. Figure 8The cylinder 2 opens, causing the first connecting block 32 to move towards the rear shell 14. The first connecting block 32 pulls the transmission arm 34, moving it backward. The transmission arm 34 transmits force to the connecting part 351. Since the bent part 352 is axially connected to the second connecting block 33, after receiving the pulling force from the transmission arm 34, as... Figure 9 As shown, the expansion part 353 will open outward, opening the silicone tube fitted on the expansion part 353, and then the PVC tube will be directly passed through the silicone tube, with the end of the PVC tube directly abutting against the limiting baffle 62. Then the expansion cylinder 2 will reset, and the expansion part 353 will gradually return to its original position. Figure 1 and Figure 6 When the silicone tube is in the closed state, while the expansion cylinder 2 is reset, the push cylinder 4 is activated, which drives the pusher 5 to move forward and push the silicone tube away from the expansion part 353, thus completing the operation of inserting the silicone tube into the PVC tube.

[0046] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A silicone tube processing fixture device, characterized in that, include: A housing (1) has a spreading cylinder (2) fixedly connected inside the housing (1) and a slidable spreading assembly (3) slidably disposed inside the housing (1). The spreading cylinder (2) is connected to the spreading assembly (3) and is used to spread the silicone tube. An ejector cylinder (4) is also fixedly connected inside the housing (1). The ejector cylinder (4) is connected to an ejector (5). The ejector (5) has a first through hole (51) for passing through the opening assembly (3). When the opening assembly (3) is opened, the ejector (5) is placed inside the opening assembly (3). A positioning component (6) is provided between the ejector (5) and the housing (1) for limiting and positioning the length of the PVC pipe.

2. The silicone tube processing fixture device according to claim 1, characterized in that, The housing (1) includes an upper shell (11), a bottom shell (12), a front shell (13), and a rear shell (14) that are spliced ​​together. A second through hole (131) for the expansion assembly (3) to pass through is provided on the front shell (13), so that the expansion assembly (3) passes through the front shell (13) and is placed outside the housing (1).

3. The silicone tube processing fixture device according to claim 1, characterized in that, The spreading assembly (3) includes a first sliding shaft (31), a first connecting block (32), a second connecting block (33), a plurality of transmission arms (34), and a plurality of support claws (35). The first sliding shaft (31) is fixedly connected to the inside of the housing (1). The first connecting block (32) is slidably disposed on the first sliding shaft (31) and connected to the spreading cylinder (2). One end of the transmission arm (34) is axially connected to the first connecting block (32), and the other end of the transmission arm (34) is axially connected to one end of the support claw (35). The second connecting block (33) is fixedly connected to the inside of the housing (1), and the first sliding shaft (31) is placed on the axis of the second connecting block (33), so that the center of the second connecting block (33) and the center of the first connecting block (32) are on the same axis. The other end of the support claw (35) is axially connected to the second connecting block (33) and passes through the first through hole (51).

4. The silicone tube processing fixture device according to claim 3, characterized in that, The support claw (35) includes a connecting part (351), a bending part (352), and a spreading part (353). The connecting part (351) is axially connected to the other end of the transmission arm (34), and the bending part (352) is axially connected to the second connecting block (33). The connection enables the spreading part (353) to open or close along the axis.

5. The silicone tube processing fixture device according to claim 1, characterized in that, A second guide shaft (52) extends outward from the housing (1), and the push-out member (5) is movably connected to the second guide shaft (52).

6. The silicone tube processing fixture device according to claim 3, characterized in that, The push-out member (5) is provided with an opening slot (53) matching the number of the support claws (35). The opening slot (53) is connected to the first through hole (51), and its setting direction is consistent with the opening direction of the support claws (35).

7. The silicone tube processing fixture apparatus according to claim 1, characterized in that, The positioning component (6) includes an adjusting rod (61) fixed to the push-out member (5). An adjustable limiting plate (62) is provided on the adjusting rod (61). A limiting part (621) is formed on the limiting plate (62), and the limiting part (621) corresponds to the position of the first through hole (51).

8. The silicone tube processing fixture apparatus according to claim 7, characterized in that, Two adjusting nuts (63) are provided on each adjusting rod (61) and are arranged vertically. The two ends of the limiting baffle (62) are sleeved on the adjusting rod (61) and placed between the adjusting nuts (63).

9. The silicone tube processing fixture apparatus according to claim 7, characterized in that, A first avoidance groove (622) for cooperating with the support claw (35) is provided on the limiting baffle (62).

10. The silicone tube processing fixture apparatus according to claim 1, characterized in that, A counter (7) is also provided on the housing (1).

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