A mechanical pressing type precision controlled edge oil pen dispensing pen for leather processing

Abstract

The invention discloses a mechanical pressing type precision control type edge oil pen dispensing pen for leather processing, comprising a shell and a connecting sleeve, the shell is processed with an installation space and a connecting hole, one end of the connecting sleeve is inserted with a syringe, a gear shaft is installed inside the connecting sleeve, a rotating gear is installed on the gear shaft, an adjusting wheel is arranged on the side wall of the connecting sleeve, a first ratchet shaft and a second ratchet shaft are installed in the installation space, a volute spring and a pull rope are arranged on the first ratchet shaft, an outer ratchet is installed on the second ratchet shaft, a second shrapnel is arranged on the side wall of the shell, a plurality of first shrapnel are evenly distributed on one end of the second ratchet shaft, a screw rod is concentrically arranged inside the shell and the connecting sleeve, one end of the screw rod is connected to a piston, a pressing rod is arranged outside the connecting sleeve, and the end of the pressing rod is connected to the pull rope after passing through the side wall of the shell. The invention is easy to use, can accurately control the outflow of fluid, has high working efficiency, and has significant economic value and social value.

Description

Technical Field

[0001] The invention relates to the technical field of leather processing, and in particular to a mechanical pressing precision-controlled edge oil pen and glue dispensing pen for leather processing. Background Art

[0002] In the processing of leather goods such as handbags, belts, and wallets, paint is often used to modify the edges of leather goods. The tool for applying edge oil to leather goods is called an edge oil pen. Secondly, glue pens are often used in various fields and industries such as micro-assembly, bioengineering, and rapid manufacturing. When using edge oil pens and glue pens, the principle is to drip and apply the required edge oil or glue liquid or other fluids on the surface or inside of the product. At present, the following problems still exist in the actual use of edge oil pens and glue dispens: first, during use, fluids such as edge oil or glue cannot flow out evenly, and the amount of fluid flowing out cannot be accurately controlled, which affects the coating effect of edge oil or glue; second, when in use, most staff members need to hold the handle to dip the edge oil or glue, so that the edge oil or glue accumulates on the tip of the edge oil pen or glue dispensing pen, and then apply the edge oil or glue at the corresponding position through the tip of the pen. There are two problems in the above process. First, a separate open container is required to store the edge oil or glue when in use, which is inconvenient to store, and during the dipping process, the container may overturn, which will cause waste of edge oil or glue and pollute the surrounding environment. Second, there are problems of cumbersome operation and unstable dipping amount. Staff members need to frequently dip, which has high labor intensity and low work efficiency, and cannot guarantee that the amount of edge oil or glue dipped each time is consistent, which will lead to uneven coating and poor coating effect during coating. Therefore, it is an objective need to develop a mechanically pressed precision-controlled edge oil pen dispensing pen for leather processing that is easy to use, can accurately control the outflow of fluid, and has high work efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a mechanically pressed precision-controlled edge oil pen dispensing pen for leather processing which is easy to use, can accurately control the outflow of fluid, has high working efficiency and good coating effect.

[0004] The object of the present invention is achieved in this way, comprising a shell and a hollow connecting sleeve, one end of the shell is a socket end, and the other end is a free end, an installation space is processed inside the shell near the socket end, and a connecting hole connected to the installation space is processed inside the shell near the free end, one end of the connecting sleeve is processed with a plug tongue, the plug tongue is inserted into the socket end of the shell, the other end of the connecting sleeve is inserted with a syringe, a separator ring is processed inside the connecting sleeve, a gear shaft is installed in the connecting sleeve between the separator ring and the plug tongue, a rotating gear is installed on the gear shaft, a first opening is processed on the side wall of the connecting sleeve, and an adjustment gear meshing with the rotating gear is provided at the first opening. The rim of the section wheel and the adjusting wheel extends to the outside of the connecting sleeve, and the first ratchet shaft and the second ratchet shaft are installed in the installation space in sequence through bearings. The first ratchet shaft includes a large diameter section, a small diameter section and an inner ratchet of an integrated structure. A volute spring is arranged on the large diameter section, and the inner end of the volute spring is fixed on the large diameter section, and the outer end is fixed on the side wall of the outer shell. A pull rope is wound around the small diameter section. An outer ratchet is installed on the second ratchet shaft, and a second spring piece matching with the ratchet teeth of the outer ratchet is installed on the side wall of the outer shell. After one end of the second ratchet shaft extends into the interior of the inner ratchet, a plurality of first spring pieces are evenly distributed on the circumference, and the rotation direction of the plurality of first spring pieces is consistent, and they all match with the ratchet teeth of the inner ratchet.

[0005] A screw is concentrically arranged inside the outer shell and the connecting sleeve. The cross-sectional shape of the screw is a circular segment, and the height of the circular segment is greater than the radius of the circle. The separating ring, the gear shaft, the first ratchet shaft and the second ratchet shaft are all installed on the screw. The inner hole diameter of the separating ring and the first ratchet shaft is greater than the outer diameter of the screw. The inner hole shape of the gear shaft matches the outer shape of the screw. The inner hole of the second ratchet shaft is processed with an internal thread matching the screw. One end of the screw is inserted into the syringe and then connected to the piston. A pressing rod is arranged on the outside of the connecting sleeve. The middle part of the pressing rod is hinged to the outer wall of the connecting sleeve through a hinge mechanism. The end of the pressing rod is connected to the pull rope after passing through the side wall of the outer shell.

[0006] Furthermore, a side oil head is installed on the needle of the syringe. The side oil head is a hollow cylindrical structure with one end sealed and the other end open. Multiple outflow holes are evenly processed on the side wall of the side oil head. A first bearing is installed between the open end of the side oil head and the needle of the syringe.

[0007] Furthermore, an adjusting wheel cover is provided at the first opening, the adjusting wheel cover is connected to the connecting sleeve by bolts, and a second opening for the adjusting wheel to pass through is processed on the adjusting wheel cover.

[0008] Furthermore, the number of the first spring pieces is 2 to 4.

[0009] Furthermore, the spiral spring and the large diameter section, the first spring leaf and the second ratchet shaft, and the second spring leaf and the side wall of the housing are all connected and fixed by bolts.

[0010] Furthermore, the hinge mechanism includes a support and a round shaft arranged on the support, and the middle part of the pressing rod is movably mounted on the round shaft.

[0011] Furthermore, a support rod is provided at the end of the connecting sleeve, and a syringe positioning mechanism is provided at the end of the support rod.

[0012] Furthermore, the syringe positioning mechanism includes vertical plates symmetrically arranged on both sides of the support rod, a rotating shaft is provided between the two vertical plates, a rotating plate is movably connected to the rotating shaft, and an Ω-shaped spring piece is provided at the end of the rotating plate.

[0013] Furthermore, the outer shell includes two shell petals which are symmetrically arranged along the radial direction, and the two shell petals are connected by bolts.

[0014] Furthermore, the pressing rod includes a straight section and a curved section, and a certain angle is formed between the straight section and the curved section.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. When the present invention is in use, the staff holds the housing and the syringe with their hands and presses the end of the pressing rod. According to the lever principle, the other end of the pressing rod will tilt up, and pull the pull rope while tilting up. Since the pull rope is wound around the first ratchet shaft, the pull rope will drive the first ratchet shaft to rotate while it is pulled up. When the first ratchet shaft rotates, on the one hand, the scroll spring contracts to store energy, and on the other hand, it drives the inner ratchet to rotate. When the inner ratchet rotates, it drives the second ratchet shaft to rotate through the first spring sheet. Since the second ratchet shaft is threadedly connected to the screw, when the second ratchet shaft rotates, the second ratchet shaft is constrained by the housing and cannot move axially, which will force the screw toward the syringe. When the piston is moved in the direction of rotation, the end of the screw will push the piston to move in the syringe and evenly squeeze out the fluid in the syringe for edge oil coating or glue dispensing. When the staff releases the pressing rod, the scroll spring will release energy to reset. This process will cause the first ratchet shaft to rotate in the opposite direction, and the pull rope will be wound around the first ratchet shaft again. When the first ratchet shaft reverses, the second spring piece has a restraining effect on the outer ratchet, and the second ratchet shaft will not reverse at this time. The first spring piece slides on the gear teeth of the inner ratchet to ensure that the second ratchet shaft will not reverse when the first ratchet shaft reverses. The above process can be repeated continuously to continuously apply edge oil or glue dispensing, and the operation process is relatively convenient.

[0017] Second, when the amount of edge oil or glue liquid needs to be adjusted, it is only necessary to control the degree of pressing of the pressing rod, that is, the greater the rotation angle of the pressing rod, the greater the amount of edge oil or glue liquid will be, and vice versa. In this way, the outflow of the fluid can be controlled more accurately to meet the needs of edge oil coating or glue dispensing.

[0018] 3. Before use, the present invention drives the rotating gear and the gear shaft to rotate by turning the adjusting wheel, and the gear shaft can drive the screw to rotate. The screw moves backward continuously during the rotation process, and drives the piston to move backward to suck the edge oil or glue into the syringe for storage. Compared with the traditional open method of placing fluid, the edge oil or glue can be sealed and preserved to extend the storage time and eliminate the risk of fluid spillage, and the process of repeatedly dipping the edge oil or glue can be avoided, thereby reducing the process of edge oil coating and glue dispensing and improving work efficiency. Secondly, by turning the adjusting wheel in the opposite direction, the screw can also be driven to move forward. When the screw moves, it pushes the piston to move forward as well, thereby adjusting the position of the piston in the syringe for use under different fluid dosage conditions.

[0019] In summary, the present invention overcomes the shortcomings of existing edge paint pens or glue dispens, has a novel structure, is easy to use, can accurately control the outflow of fluid, has high work efficiency, and has significant economic and social value. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 It is a structural schematic diagram of the connecting sleeve 2 in the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the rotating gear 9 and the adjusting wheel 10 in the present invention;

[0023] Figure 4 is a schematic structural diagram of the first ratchet shaft 11 in the present invention;

[0024] Figure 5 is a schematic structural diagram of the second ratchet shaft 12 in the present invention;

[0025] Figure 6 It is a schematic diagram of the connection structure of the outer ratchet, the outer shell and the second elastic piece in the present invention;

[0026] Figure 7 Schematic diagram of the structure of the first spring piece 18 and the inner ratchet 13 in the present invention;

[0027] Figure 8 It is a schematic diagram of the structure of the screw 19 in the present invention;

[0028] Fig. 9 It is a schematic structural diagram of the pressing rod 20 in the present invention;

[0029] Fig.10 Schematic diagram of the structure of the Ω-shaped spring piece 31 in the present invention;

[0030] In the figure: 1-housing, 2-connecting sleeve, 3-installation space, 4-connecting hole, 5-plug tongue, 6-syringe, 7-separating ring, 8-gear shaft, 9-rotating gear, 10-adjusting wheel, 11-first ratchet shaft, 12-second ratchet shaft, 13-inner ratchet, 14-volute spring, 15-pull rope, 16-outer ratchet, 17-second spring piece, 18-first spring piece, 19-screw, 20-pressing rod, 21-side oil head, 22-outflow hole, 23-first opening, 24-adjusting wheel cover, 25-support, 26-circular shaft, 27-support rod, 28-vertical plate, 29-rotating shaft, 30-rotating plate, 31-Ω-shaped spring piece, 32-straight section, 33-bent section. DETAILED DESCRIPTION

[0031] The present invention is further described below in conjunction with the accompanying drawings, but the present invention is not limited in any way. Any changes or improvements made based on the present invention belong to the protection scope of the present invention.

[0032] like Figures 1 to 10As shown, the present invention includes a shell 1 and a hollow connecting sleeve 2, one end of the shell 1 is a socket end, and the other end is a free end, an installation space 3 is processed inside the shell 1 near the socket end, and a connecting hole 4 connected with the installation space 3 is processed inside the shell 1 near the free end, one end of the connecting sleeve 2 is processed with a plug tongue 5, the plug tongue 5 cooperates to be inserted into the socket end of the shell 1, and can be connected by bolts after insertion, a syringe 6 is inserted at the other end of the connecting sleeve 2, a separator ring 7 is processed inside the connecting sleeve 2, a gear shaft 8 is installed in the connecting sleeve 2 between the separator ring 7 and the plug tongue 5, and a rotating gear 9 is installed on the gear shaft 8, a first opening 23 is processed on the side wall of the connecting sleeve 2, an adjusting wheel 10 meshing with the rotating gear 9 is arranged at the first opening 23, and the rim of the adjusting wheel 10 extends to the outside of the connecting sleeve 2, and a first ratchet shaft 11 and a second ratchet shaft 12 are sequentially installed in the installation space 3 through bearings, and the first ratchet shaft 11 includes a large diameter section of an integrated structure, The small diameter section and the inner ratchet 13 are provided with a volute spring 14 on the large diameter section. The volute spring 14 is an existing structure, and its parameters such as the number of turns and elastic force are selected according to needs. The inner end of the volute spring 14 is fixed on the large diameter section, and the outer end is fixed on the side wall of the shell 1. A pull rope 15 is wound around the small diameter section. Since Kevlar fiber rope has the advantages of high strength, puncture resistance, wear resistance, heat resistance, chemical corrosion resistance, and good mechanical properties, in order to increase the service life of the pull rope 15, Kevlar fiber rope can be selected as To pull the rope 15, an outer ratchet 16 is installed on the second ratchet shaft 12, and a second elastic piece 17 that cooperates with the ratchet teeth of the outer ratchet 16 is installed on the side wall of the outer shell 1. After one end of the second ratchet shaft 12 extends into the interior of the inner ratchet 13, a plurality of first elastic pieces 18 are evenly distributed and obliquely arranged on the circumference. The rotation directions of the plurality of first elastic pieces 18 are consistent, and they all cooperate with the ratchet teeth of the inner ratchet 13. The outer ratchet 16 is a ratchet with the ratchet teeth on the outside of the ratchet. Similarly, the inner ratchet is a ratchet with the ratchet teeth on the inside of the ratchet.

[0033] In the present invention, the first spring piece 18 and the second spring piece 17 both play the role of pawls, wherein the first spring piece 18 and the inner ratchet 13 form a ratchet mechanism, and the second spring piece 17 and the outer ratchet 16 form another ratchet mechanism. When the present invention is in use, the two ratchet mechanisms cooperate with each other: when the first ratchet shaft 11 rotates forward, the first spring piece 18 clamps the ratchet teeth of the inner ratchet 13, and the second spring piece 17 slides on the ratchet teeth of the outer ratchet 16. At this time, the inner ratchet 13 can drive the second ratchet shaft 12 to rotate through the first spring piece 18; conversely, when the first ratchet shaft 11 is reversed, the first spring piece 18 slides on the ratchet teeth of the inner ratchet 13, and the second spring piece 17 clamps the ratchet teeth of the outer ratchet 16. At this time, the first ratchet shaft 11 rotates, while the second ratchet shaft 12 does not rotate. When the present invention is in use, the above two processes are performed alternately, so that the second ratchet shaft 12 can rotate in the same direction, so that the screw 19 continuously moves toward the direction of the syringe 6, so as to achieve the purpose of extruding edge oil or glue.

[0034] A screw 19 is concentrically arranged inside the outer shell 1 and the connecting sleeve 2. The cross-sectional shape of the screw 19 is a circular segment, and the height of the circular segment is greater than the radius of the circle. The separating ring 7, the gear shaft 8, the first ratchet shaft 11 and the second ratchet shaft 12 are all installed on the screw 19, wherein the inner hole diameters of the separating ring 7 and the first ratchet shaft 11 are greater than the outer diameter of the screw 19, the inner hole shape of the gear shaft 8 is consistent with the outer shape of the screw 19, and the inner hole of the second ratchet shaft 12 is processed with an internal thread matching the screw 19. One end of the screw 19 is inserted into the syringe 6 and then connected to the piston. A pressing rod 20 is arranged on the outside of the connecting sleeve 2. The middle part of the pressing rod 20 is hinged to the outer wall of the connecting sleeve 2 through a hinge mechanism, and the end of the pressing rod 20 is connected to the pull rope 15 after passing through the side wall of the outer shell 1.

[0035] The working principle of the present invention is: the staff holds the shell 1 and the syringe 6 by hand and presses the end of the pressing rod 20. According to the lever principle, the other end of the pressing rod 20 will tilt up and pull up the pull rope 15 while tilting up. Since the pull rope 15 is wound around the first ratchet shaft 11, the pull rope 15 will drive the first ratchet shaft 11 to rotate while it is pulled up. When the first ratchet shaft 11 rotates, on the one hand, the spiral spring 14 contracts to store energy, and on the other hand, it drives the inner ratchet 13 to rotate. When the inner ratchet 13 rotates, it drives the second ratchet shaft 12 to rotate through the first elastic sheet 18. Since the second ratchet shaft 12 is threadedly connected to the screw 19, when the second ratchet shaft 12 rotates, the second ratchet shaft 12 is constrained by the shell and cannot move axially, which will force the screw 19 to translate toward the direction of the syringe 6. The screw The end of 19 will push the piston to move in the syringe 6 and evenly squeeze out the fluid in the syringe 6 for edge oil coating or glue dispensing. When the staff releases the pressing rod 20, the volute spring 14 will release energy to reset. This process will cause the second ratchet shaft 12 to rotate in the opposite direction, and the pull rope 15 will be wrapped around the first ratchet shaft 11 again, and the pull rope 15 will drive the pressing rod 20 to reset. When the first ratchet shaft 11 reverses, the second spring piece 17 is stuck on the ratchet teeth of the outer ratchet 16 and has a restraining effect on it. At this time, the second ratchet shaft 12 will not reverse, and the first spring piece 18 slides on the ratchet teeth of the inner ratchet 13 to ensure that the second ratchet shaft 12 will not reverse when the first ratchet shaft 11 reverses. The above process can be repeated continuously to continuously apply edge oil or glue, and the operation process is relatively convenient.

[0036] When the output of the edge oil or glue needs to be adjusted during use of the present invention, it is only necessary to control the degree of pressing of the pressing rod 20, that is, the greater the rotation angle of the pressing rod 20, the greater the output of the edge oil or glue, and vice versa. In this way, the outflow of the fluid can be more accurately controlled to meet the needs of edge oil coating or glue dispensing; secondly, in the present invention, the rotating gear 9 and the gear shaft 8 are driven to rotate by turning the adjusting wheel 10, and the gear shaft 8 can drive the screw 19 to rotate synchronously. The screw 19 continuously moves backward during the rotation process, and drives the piston to move backward to suck the edge oil or glue. Compared with the traditional open way of placing fluid, the setting of syringe 6 can not only seal and preserve the edge oil or glue, extend the storage time, and eliminate the risk of fluid spillage, but also save the staff from the process of repeatedly dipping the edge oil or glue, shorten the process of edge oil coating and glue dispensing, and improve work efficiency; finally, reverse turning of the adjusting wheel 10 can also drive the screw 19 to move forward. When the screw 19 moves, it pushes the piston to move forward in the syringe 6, thereby adjusting the position of the piston in the syringe 6 for use under different fluid usage conditions.

[0037] A side oil head 21 is installed on the needle of the syringe 6. The side oil head 21 is a hollow cylindrical structure with one end blocked and the other end open. A plurality of outflow holes 22 are evenly processed on the side wall of the side oil head 21. The open end of the side oil head 21 and the needle of the syringe 6 are installed together by a bearing. The side oil head 21 can rotate on the needle through the bearing. The side oil flows from the needle into the side oil head 21 and then flows out from the outflow hole 22. When in use, the side wall of the side oil head 21 is attached to the leather edge that needs to be coated with side oil, and the side oil head 21 is rolled on the leather edge. The side oil flows out from the outflow hole 22 to apply the side oil. In the above process, the side oil can flow out from the outflow hole 22 evenly, ensuring the uniformity of the side oil coating and ensuring a better side oil coating effect.

[0038] An adjusting wheel cover 24 is provided at the first opening 23 , and the adjusting wheel cover 24 is connected to the connecting sleeve 2 by bolts. A second opening for the adjusting wheel 10 to pass through is processed on the adjusting wheel cover 24 , and the adjusting wheel cover 24 is used for positioning the adjusting wheel 10 , and can fix the adjusting wheel 10 and prevent the adjusting wheel 10 from escaping from the first opening 23 .

[0039] The number of the first spring pieces 18 is 2 to 4, and the specific number can be selected according to actual conditions.

[0040] To facilitate the installation of the spiral spring 14, the first elastic leaf 18 and the second elastic leaf 17, the spiral spring 14 and the large diameter section of the first ratchet shaft 11, the first elastic leaf 18 and the second ratchet shaft 12, and the second elastic leaf 17 and the side wall of the housing 1 are all fixed by bolts.

[0041] The hinge mechanism includes a support 25 and a circular shaft 26 arranged on the support 25. The middle part of the pressing rod 20 is movably mounted on the circular shaft 26. When in use, the pressing rod 20 can be rotated along the circular shaft 26 by applying pressure to the raised end of the pressing rod 20.

[0042] A support rod 27 is provided at the end of the connecting sleeve 2, and a syringe positioning mechanism is provided at the end of the support rod 27. The syringe positioning mechanism is set by the support rod 27, and the syringe positioning mechanism is used to fix the syringe 6 to prevent the syringe 6 from shaking during use, thereby improving the stability of the present invention during use. During actual use, the outer wall of the syringe 6 can be close to the support rod 27, and the support rod 27 can support the syringe 6.

[0043] The syringe positioning mechanism includes vertical plates 28 symmetrically arranged on both sides of the support rod 27, a rotating shaft 29 is arranged between the two vertical plates 28, a rotating plate 30 is movably connected to the rotating shaft 29, and an Ω-shaped spring 31 is arranged at the end of the rotating plate 30. The Ω-shaped spring 31 is an existing structure, and its open end can be pulled open, and it will automatically rebound and reset when the hand is released. Through this feature, the syringe 6 can be conveniently inserted into the Ω-shaped spring 31 to be fixed, and when the syringe 6 needs to be replaced, it can also be relatively convenient to remove. When the structure is in use, the rotating plate 30 is pulled, and the rotating plate 30 will rotate along the rotating shaft 29. When the rotating plate 30 is parallel to the support rod 27, the syringe 6 can be fixed by inserting the syringe 6 into the Ω-shaped spring 31.

[0044] In order to facilitate the loading and unloading of the components in the outer shell 1, the outer shell 1 includes two shell halves arranged symmetrically in the radial direction, and the two shell halves are connected by bolts. During installation, it is only necessary to loosen the bolts to separate the two shell halves, and then the first ratchet shaft 11, the second ratchet shaft 12 and other components can be installed. After the installation is completed, the two shell halves can be closed and the bolts can be tightened.

[0045] The straight section 32 is the pressing operation part of the pressing rod 20, and the curved section 33 is the free rotation part of the pressing rod 20. In order to make the pressing operation of the pressing rod 20 easier, the pressing rod 20 includes a straight section 32 and a curved section 33. A certain angle is formed between the straight section 32 and the curved section 33. The actual angle and the bending shape of the curved section 33 can be set as needed to facilitate the operation of the pressing rod 20 and the pulling of the pull rope 15.

Claims

1. A mechanical pressing precision-controlled edge oil pen dispensing pen for leather processing, characterized in that: The invention comprises a shell (1) and a hollow connecting sleeve (2), wherein one end of the shell (1) is a socket end and the other end is a free end, an installation space (3) is processed inside the shell (1) near the socket end, and a connecting hole (4) connected to the installation space (3) is processed inside the shell (1) near the free end, one end of the connecting sleeve (2) is processed with an insert tongue (5), the insert tongue (5) is inserted into the socket end of the shell (1), and a syringe (6) is inserted at the other end of the connecting sleeve (2), a separator ring (7) is processed inside the connecting sleeve (2), a gear shaft (8) is installed in the connecting sleeve (2) between the separator ring (7) and the insert tongue (5), and a rotating gear (9) is installed on the gear shaft (8), and a first opening (23) is processed on the side wall of the connecting sleeve (2), and an adjusting wheel (10) meshing with the rotating gear (9) is arranged at the first opening (23), and the adjusting wheel The rim of the wheel (10) extends to the outside of the connecting sleeve (2), and a first ratchet shaft (11) and a second ratchet shaft (12) are sequentially installed in the installation space (3) through bearings. The first ratchet shaft (11) includes a large diameter section, a small diameter section and an inner ratchet (13) of an integrated structure. A volute spring (14) is arranged on the large diameter section. The inner end of the volute spring (14) is fixed to the large diameter section, and the outer end is fixed to the side wall of the housing (1). A pull rope (15) is wound around the small diameter section. An outer ratchet (16) is installed on the second ratchet shaft (12). A second spring piece (17) that matches the ratchet teeth of the outer ratchet (16) is installed on the side wall of the housing (1). After one end of the second ratchet shaft (12) extends into the interior of the inner ratchet (13), a plurality of first spring pieces (18) are evenly distributed and obliquely arranged on the circumference. The plurality of first spring pieces (18) have the same rotation direction and all match the ratchet teeth of the inner ratchet (13). A screw (19) is concentrically arranged inside the housing (1) and the connecting sleeve (2); the cross-sectional shape of the screw (19) is a circular segment, and the height of the circular segment is greater than the radius of the circle in which it is located; the separation ring (7), the gear shaft (8), the first ratchet shaft (11) and the second ratchet shaft (12) are all installed on the screw (19); the inner diameters of the separation ring (7) and the first ratchet shaft (11) are greater than the outer diameter of the screw (19); the inner diameter of the gear shaft (8) is similar to the outer diameter of the screw (19); The outer shape of the screw rod (19) matches that of the second ratchet shaft (12); an inner thread matching that of the screw rod (19) is processed on the inner hole of the second ratchet shaft (12); one end of the screw rod (19) is inserted into the syringe (6) and connected to the piston; a pressing rod (20) is arranged on the outside of the connecting sleeve (2); the middle part of the pressing rod (20) is hinged to the outer wall of the connecting sleeve (2) through a hinge mechanism; the end of the pressing rod (20) passes through the side wall of the housing (1) and is connected to the pull rope (15).

2. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1 is characterized in that The needle of the syringe (6) is provided with a side oil head (21), which is a hollow cylindrical structure with one end blocked and the other end open. A plurality of outflow holes (22) are evenly processed on the side wall of the side oil head (21), and the open end of the side oil head (21) is mounted with the needle of the syringe (6) via a bearing.

3. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1 is characterized in that An adjusting wheel cover (24) is provided at the first opening (23), the adjusting wheel cover (24) is connected to the connecting sleeve (2) by bolts, and a second opening for the adjusting wheel (10) to pass through is processed on the adjusting wheel cover (24).

4. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1 is characterized in that : The number of the first spring pieces (18) is 2 to 4.

5. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1, characterized in that The spiral spring (14) and the large diameter section of the first ratchet shaft (11), the first spring leaf (18) and the second ratchet shaft (12), and the second spring leaf (17) and the side wall of the housing (1) are all connected and fixed by bolts.

6. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1, characterized in that The hinge mechanism comprises a support (25) and a circular shaft (26) arranged on the support (25), and the middle part of the pressing rod (20) is movably mounted on the circular shaft (26).

7. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1 is characterized in that A support rod (27) is provided at the end of the connecting sleeve (2), and a syringe positioning mechanism is provided at the end of the support rod (27).

8. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 7, characterized in that The needle cylinder positioning mechanism comprises vertical plates (28) symmetrically arranged on both sides of the support rod (27), a rotating shaft (29) is arranged between the two vertical plates (28), a rotating plate (30) is movably connected to the rotating shaft (29), and an Ω-shaped spring piece (31) is arranged at the end of the rotating plate (30).

9. The mechanical pressing precision control edge oil pen dispensing pen for leather processing according to claim 1, characterized in that The housing (1) comprises two shell lobes which are symmetrically arranged along the radial direction, and the two shell lobes are connected by bolts.

10. The mechanical pressing precision control edge paint pen dispensing pen for leather processing according to claim 1, characterized in that The pressing rod (20) comprises a straight section (32) and a curved section (33), and a certain angle is formed between the straight section (32) and the curved section (33).

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