Bead adding gun

Abstract

The utility model provides a bead adding gun. The bead adding gun comprises an outer cylinder body, an inner distribution cylinder, a gland, a conical head, a discharge spout and a reset device, n inwards-concave grinding bead containing grooves are formed in the inner circumferential face of the inner distribution cylinder, and the different grinding bead containing grooves can contain different numbers of grinding beads. During use, the inner distribution cylinder is rotated to a corresponding circumferential station according to the required single-time bead adding number, when beads need to be discharged, only the top end gland needs to be pressed, the grinding bead containing grooves containing the target number of grinding beads directly face the bead leaking opening along with downward movement of the inner distribution cylinder, and the target number of grinding beads automatically fall down from the bead leaking opening under the action of self weight; the target number of grinding beads are added. The bead adding gun not only can prevent grinding beads from secondary pollution, but also is convenient to use and high in bead adding efficiency. And different bead adding amounts can be adjusted at a time through rotation transposition, the bead adding requirements of different bead adding occasions are met, and the bead adding efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bead adding guns, in particular to a bead adding gun. Background Art

[0002] Grinding beads are used to add to sample grinding to improve grinding efficiency and quality. Currently, the addition of grinding beads is mainly done manually, which is easy to cause secondary pollution, and the efficiency of adding beads is low, which wastes the operator's test time. Utility Model Content

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the utility model aims to provide a bead adding gun.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model to solve the technical problem is: a bead adding gun, including an outer cylinder, an inner distribution cylinder, a gland, a cone head, a nozzle and a reset device;

[0005] The nozzle is installed at the lower end of the outer cylinder;

[0006] The gland is mounted on the upper opening of the inner distribution tube;

[0007] The inner distribution cylinder is installed in the inner cavity of the outer cylinder, and the reset device is used to generate a driving force to drive the inner distribution cylinder to move upward and reset along the outer cylinder; the inner distribution cylinder is an integrated structure, and n concave grinding bead receiving grooves are provided on the inner circumferential surface of the inner distribution cylinder, and different grinding bead receiving grooves can accommodate different numbers of grinding beads; under the action of external rotational driving force, the inner distribution cylinder can rotate in the outer cylinder along the circumferential direction and form n circumferential working positions at different angles, and at the position of each circumferential working position, the inner distribution cylinder and the outer cylinder cooperate to form an axial sliding limit guide structure;

[0008] The cone head is fixedly installed on the lower part of the outer cylinder body, the cone head is located at the lower port part of the inner distribution cylinder, and the cone head has a cylindrical part entering into the inner circle of the inner distribution cylinder, and the cylindrical part has a laterally open bead leakage mouth; when the inner distribution cylinder is in any circumferential working position among n circumferential working positions, in the circumferential direction, the bead leakage mouth only corresponds to one grinding bead receiving groove among the n grinding bead receiving grooves on the inner distribution cylinder; when the inner distribution cylinder is in the reset position upward, in the axial direction, the bead leakage mouth is located below the grinding bead receiving groove; when the inner distribution cylinder is moved downward to the bead outlet position by external force, the bead leakage mouth is opposite to one grinding bead receiving groove.

[0009] When in use, batches of grinding beads are pre-added to the inner cavity of the inner distribution tube. Under the action of gravity, the grinding beads fall into each grinding bead receiving groove through the cone head. Under the action of the reset device, the inner distribution tube is at the upper limit position, and the grinding beads are located above the bead outlet of the cone head. According to the required number of beads added at a single time, the inner distribution tube is rotated to the corresponding circumferential position. When the beads need to be discharged, it is only necessary to press the top cover and move the inner distribution tube down to the bead outlet position. The grinding bead receiving groove corresponding to the target number of grinding beads is directly opposite to the bead outlet. The target number of grinding beads automatically fall from the bead outlet under the action of their own weight, and the target number of grinding beads is added. The utility model bead adding gun can not only prevent the grinding beads from secondary contamination, but also is easy to use and has high bead adding efficiency. The amount of beads added at a single time can also be adjusted by rotating and transposing to meet the bead adding needs of different bead adding occasions and further improve the bead adding efficiency.

[0010] Furthermore, the outer circumference of the inner distribution cylinder is provided with n marks distributed along the circumference and recording the information on the number of grinding beads, and the outer cylinder body is provided with a window. When the window matches one of the marks, the number of grinding beads that can be accommodated by the grinding bead holding groove opposite to the bead leakage port is consistent with the information on the number of grinding beads recorded by the mark.

[0011] The above preferred solution is adopted to facilitate the user to adjust the position to the target number of beads more intuitively.

[0012] Furthermore, the inner distribution cylinder is provided with n elastic top screws distributed along the circumference at intervals, and the outer cylinder body is provided with n long strip limiting grooves distributed along the circumference at intervals, the length direction of the long strip limiting groove is parallel to the axial direction, and the head end of the elastic top screw cooperates with the long strip limiting groove to constitute the axial sliding limit guide structure.

[0013] The above preferred solution not only facilitates the displacement of the inner distribution cylinder in the circumferential direction, but also enables the position to remain stable after the displacement, thereby ensuring that the beads can be pressed out smoothly in the axial direction.

[0014] Furthermore, the top of the inner distribution cylinder is provided with a plurality of upwardly protruding protrusions distributed at intervals in the circumferential direction, the lower end of the pressure cover is provided with a plurality of axial grooves, the protrusions are embedded in the axial grooves, and the pressure cover is provided with a stop surface at the upper part of the axial groove; it also includes a nut, which is passed through from top to bottom, and the upper mouth of the nut is provided with a stop, the nut passes through the upper part of the pressure cover from above, and is threadedly connected to the top of the outer cylinder, and the stop of the nut is located above the stop surface of the pressure cover.

[0015] By adopting the above preferred solution, it is convenient to unscrew the nut, open the pressure cap and add beads in batches to the inner cavity of the inner distribution tube. The protrusion is matched with the axial card slot. When the number of beads discharged at a time needs to be adjusted, the inner distribution tube can be driven to rotate by rotating the pressure cap, thereby improving the convenience of operation.

[0016] Furthermore, the n grinding bead receiving grooves in the inner distribution cylinder have the same height in the axial direction, and different grinding bead receiving grooves have different groove lengths along the circumferential direction.

[0017] Furthermore, n=4, and the four grinding bead holding grooves can hold 1, 2, 3, and 4 grinding beads respectively.

[0018] The above preferred solution provides a single bead adding option of 1-4 grinding beads, which has high applicability.

[0019] Furthermore, the grinding bead receiving groove has an upper inclined surface inclined upward in the axial direction above, and the grinding bead receiving groove has a lower inclined surface inclined downward in the axial direction below.

[0020] The above preferred solution is adopted to ensure that the target number of grinding beads can fall into the grinding bead receiving groove in a timely and smooth manner, and can be smoothly ejected after being pressed.

[0021] Furthermore, the cone head includes a ring body portion, a cylindrical portion and a cone portion, the ring body portion is located at the lower end, the ring body portion is fixedly connected to the lower end portion of the outer cylinder, the inner side of the ring body portion and the inner side of the cylindrical portion are connected by a plurality of circumferentially spaced connecting ribs, the cylindrical portion has a laterally open bead leakage mouth, and the cone portion is located at the top end of the cylindrical portion.

[0022] Furthermore, the outer diameter of the annular body portion matches the inner diameter of the outer cylinder, and the outer diameter of the cylindrical portion matches the inner diameter of the inner distribution cylinder.

[0023] The above preferred solution can ensure smooth replenishment and flow of grinding beads and ensure efficient and stable bead addition.

[0024] Furthermore, a radially extending inner connecting hole is provided on the wall of the ring body, and a radially penetrating outer connecting hole is provided on the wall of the lower end portion of the outer cylinder. The outer connecting hole and the inner connecting hole are coaxially arranged in the radial direction, and a locking screw passes through the outer connecting hole and is connected to the inner connecting hole of the ring body.

[0025] The above preferred solution is adopted to facilitate the installation and fixation of the cone head and the outer cylinder.

[0026] Furthermore, the resetting device is a compression spring installed between the cone head and the inner distribution cylinder.

[0027] The above preferred solution has a simple structure and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a structural schematic diagram of an implementation method of the utility model.

[0030] Figure 2 It is an exploded view of an implementation manner of the utility model.

[0031] Figure 3 It is a schematic diagram of the structure of hiding the outer cylinder and the nut in one embodiment of the utility model.

[0032] Figure 4 It is a cross-sectional view of an implementation manner of the utility model.

[0033] Figure 5 It is a schematic diagram of the grinding beads being located above the cone head and waiting to be discharged.

[0034] Figure 6 This is a schematic diagram of the state in which the grinding beads in the target grinding bead receiving groove fall from the bead leakage port after the pressing operation.

[0035] Figure 7 It is a cross-sectional view of an embodiment of the inner dispensing cartridge.

[0036] Figure 8 It is a structural schematic diagram of an implementation method of a cone head.

[0037] The numbers and letters in the figure represent the names of the corresponding parts:

[0038] 10-outer cylinder; 11-window; 12-long strip limiting groove; 13-external connecting hole; 20-inner distribution cylinder; 21-grinding bead receiving groove; 211-upper inclined surface; 212-lower inclined surface; 22-mark; 23-elastic top screw; 24-protrusion; 30-pressure cover; 31-axial slot; 32-stop surface; 40-cone head; 41-cylindrical part; 42-bead leakage mouth; 43-ring body; 431-inner connecting hole; 44-cone body; 45-connecting rib; 50-leakage nozzle; 60-reset device; 70-nut; 71-stop; 80-grinding bead. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] like Figure 1-4 As shown, a bead adding gun includes an outer cylinder 10, an inner distribution cylinder 20, a gland 30, a cone head 40, a nozzle 50 and a reset device 60;

[0041] The nozzle 50 is installed at the lower end of the outer cylinder 10;

[0042] The gland 30 is mounted on the upper opening of the inner distribution tube 20;

[0043] The inner distribution cylinder 20 is installed in the inner cavity of the outer cylinder 10, and the reset device 60 is used to generate a driving force to drive the inner distribution cylinder 20 to move upward and reset along the outer cylinder 10; the inner distribution cylinder 20 is an integrated structure, and n concave grinding bead receiving grooves 21 are provided on the inner circumferential surface of the inner distribution cylinder 20, and different grinding bead receiving grooves 21 can accommodate different numbers of grinding beads; under the action of the external rotation driving force, the inner distribution cylinder 20 can rotate in the outer cylinder 10 along the circumferential direction and form n circumferential working positions at different angles, and at each circumferential working position, the inner distribution cylinder 20 and the outer cylinder 10 cooperate to form an axial sliding limit guide structure;

[0044] The cone head 40 is fixedly installed on the lower part of the outer cylinder 10, and the cone head 40 is located at the lower port part of the inner distribution cylinder 20, and the cone head 40 has a cylindrical part 41 that enters into the inner circle of the inner distribution cylinder 20, and the cylindrical part 41 has a laterally open bead leakage port 42; when the inner distribution cylinder 41 is in any circumferential working position among the n circumferential working positions, in the circumferential direction, the bead leakage port 42 only corresponds to one of the n grinding bead receiving grooves on the inner distribution cylinder; when the inner distribution cylinder 41 is in the upward reset position, in the axial direction, the bead leakage port 42 is located below the grinding bead receiving groove 21; when the inner distribution cylinder 20 is moved to the bead outlet position by the downward pressing force, the bead leakage port 42 is directly opposite to one grinding bead receiving groove 21.

[0045] When in use, a batch of grinding beads is pre-added into the inner cavity of the inner distribution cylinder. Under the action of gravity, the grinding beads fall into each grinding bead receiving groove through the cone head. Under the action of the reset device, the inner distribution cylinder is at the upper limit position, such as Figure 5 As shown in the figure, the grinding beads are located above the bead outlet of the cone head. According to the number of beads to be added at a time, rotate the inner distribution cylinder to the corresponding circumferential position. When beads need to be discharged, Figure 6As shown, you only need to press the top cover to move the inner distribution cylinder down to the bead outlet position, and the grinding bead receiving groove containing the target number of grinding beads is directly opposite to the bead outlet. The target number of grinding beads automatically fall from the bead outlet under the action of their own weight, and the target number of grinding beads are added. The beneficial effect of adopting the above technical solution is that the bead adding gun can not only prevent the grinding beads from secondary contamination, but also is easy to use and has high bead adding efficiency. It can also adjust the amount of beads added at a time by rotating and transposing to meet the bead adding needs of different bead adding occasions, and further improve the bead adding efficiency.

[0046] like Figure 1-3 As shown, in one embodiment of the utility model, the outer circumference of the inner distribution cylinder 20 is provided with n marks 22 distributed along the circumference and recording the number of grinding beads, and the outer cylinder body 10 is provided with a window 11. When the window 11 matches one of the marks, the number of grinding beads that can be accommodated in the grinding bead receiving groove opposite to the bead leakage port is consistent with the number of grinding beads recorded by the mark. The beneficial effect of adopting the above technical solution is that it is convenient for the user to adjust the position of the target number of beads more intuitively.

[0047] like Figure 2 , 3 As shown, in some other embodiments of the utility model, the inner distribution cylinder 20 is provided with n elastic top screws 23 spaced along the circumference, and the outer cylinder 10 is provided with n long strip limiting grooves 12 spaced along the circumference, the length direction of the long strip limiting grooves 12 is parallel to the axial direction, and the head end of the elastic top screw 23 cooperates with the long strip limiting grooves 12 to form the axial sliding limiting guide structure. The beneficial effect of adopting the above technical solution is that it is convenient for the inner distribution cylinder to be replaced in the circumferential direction, and the position can be kept stable after the replacement, ensuring that the beads can be pressed out smoothly in the axial direction.

[0048] like Figure 2 , 3 As shown, in some other embodiments of the utility model, the top of the inner distribution barrel 20 is provided with a plurality of protrusions 24 protruding upwards and distributed at intervals in the circumferential direction, the lower end of the gland 30 is provided with a plurality of axial grooves 31, the protrusions 24 are embedded in the axial grooves 31, and the gland 30 is provided with a stop surface 32 at the upper part of the axial groove; it also includes a nut 70, the nut 70 is passed through from top to bottom, the upper mouth of the nut 70 is provided with a stopper 71, the nut 70 passes through the upper part of the gland 30 from above, and is threadedly connected with the top of the outer cylinder 10, and the stopper 71 of the nut 70 is located above the gland stopper surface 32. The beneficial effect of adopting the above technical solution is: it is convenient to unscrew the nut, open the gland, and add beads in batches to the inner cavity of the inner distribution barrel. The protrusions are matched with the axial grooves, and when the number of beads discharged at a single time needs to be adjusted, the inner distribution barrel can be driven to rotate by rotating the gland, thereby improving the convenience of operation.

[0049] like Figure 7As shown, in some other embodiments of the present invention, n=4, the 4 grinding bead receiving grooves 21 in the inner distribution cylinder 20 have the same height in the axial direction, different grinding bead receiving grooves have different groove lengths along the circumferential direction, and the number of grinding beads that can be accommodated by the 4 grinding bead receiving grooves is 1, 2, 3 and 4 respectively. The beneficial effect of adopting the above technical solution is: providing a single bead adding option of 1-4 grinding beads, and high applicability.

[0050] like Figure 7 As shown, in some other embodiments of the present invention, the grinding bead receiving groove 21 has an upwardly inclined upper surface 211 at the axial upper side, and a downwardly inclined lower surface 212 at the axial lower side. The beneficial effect of adopting the above technical solution is: ensuring that the target number of grinding beads can fall into the grinding bead receiving groove smoothly and in a timely manner, and the beads can be smoothly ejected after being pressed.

[0051] like Figure 8 As shown, in other embodiments of the present invention, the cone head 40 includes an annular body 43, a cylindrical part 41 and a conical body 44, the annular body 43 is located at the lower end, the annular body 43 is fixedly connected to the lower end of the outer cylinder 10, the inner side of the annular body 43 and the inner side of the cylindrical part 41 are connected by a plurality of circumferentially spaced connecting ribs 45, the cylindrical part 41 has a laterally open bead leaking port 42, and the conical body 44 is located at the top of the cylindrical part 41. The outer diameter of the annular body 43 matches the inner diameter of the outer cylinder 10, and the outer diameter of the cylindrical part 41 matches the inner diameter of the inner distribution cylinder 20. The beneficial effect of adopting the above technical solution is that it can ensure the smooth supply and flow of grinding beads and ensure efficient and stable bead addition.

[0052] like Figure 2 , 8 As shown, in some other embodiments of the utility model, the wall of the ring body 43 is provided with a radially extending inner connecting hole 431, the wall of the lower end of the outer cylinder 10 is provided with a radially penetrating outer connecting hole 13, the outer connecting hole 13 and the inner connecting hole 431 are coaxially arranged in the radial direction, and the locking screw passes through the outer connecting hole 13 and is connected with the inner connecting hole 431 of the ring body. The beneficial effect of adopting the above technical solution is that it is convenient to install and fix the cone head and the outer cylinder.

[0053] In the present invention, the reset device 60 is used to reset the inner distribution cylinder upward after each bead ejection, so that the grinding beads continue to be replenished into the empty grinding bead receiving groove to wait for the next bead ejection action. The specific structural form is not limited, and it can be a tension spring connected between the outer cylinder and the inner distribution cylinder. Figure 3 , 4 As shown, preferably, the reset device is a compression spring installed between the cone head and the inner distribution cylinder, which is convenient for installation.

[0054] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable ordinary technicians in the field to understand the content of the utility model and implement it. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A bead adding gun, characterized in that: It includes an outer cylinder, an inner distribution cylinder, a gland, a cone head, a nozzle and a reset device; The nozzle is installed at the lower end of the outer cylinder; The gland is mounted on the upper opening of the inner distribution tube; The inner distribution cylinder is installed in the inner cavity of the outer cylinder, and the reset device is used to generate a driving force to drive the inner distribution cylinder to move upward along the outer cylinder to reset; The inner distribution cylinder is an integrated structure, and the inner circumferential surface of the inner distribution cylinder is provided with n inwardly concave grinding bead receiving grooves, and different grinding bead receiving grooves can accommodate different numbers of grinding beads; under the action of external rotational driving force, the inner distribution cylinder can rotate in the outer cylinder body along the circumferential direction and form n circumferential working positions at different angles, and at the position of each circumferential working position, the inner distribution cylinder and the outer cylinder body cooperate to form an axial sliding limit guide structure; The cone head is fixedly mounted on the lower part of the outer cylinder, the cone head is located at the lower port of the inner distribution cylinder, and the cone head has a cylindrical part that enters the inner circle of the inner distribution cylinder, and the cylindrical part has a bead leakage opening with a lateral opening; when the inner distribution cylinder is in any circumferential working position among the n circumferential working positions, in the circumferential direction, the bead leakage opening only corresponds to and matches with one of the n grinding bead receiving grooves on the inner distribution cylinder; When the inner distribution tube is in the upward reset position, the bead leakage port is located below the grinding bead receiving groove in the axial direction; when the inner distribution tube is moved downward to the bead outlet position by external force, the bead leakage port is opposite to a grinding bead receiving groove.

2. The bead adding gun according to claim 1, characterized in that: The outer circumference of the inner distribution cylinder is provided with n marks distributed along the circumference and recording the number of grinding beads. The outer cylinder body is provided with a window. When the window matches one of the marks, the number of grinding beads that can be accommodated by the grinding bead holding groove opposite to the bead leakage port is consistent with the grinding bead number information recorded by the mark.

3. The bead adding gun according to claim 1, characterized in that: The inner distribution cylinder is provided with n elastic top screws distributed along the circumference, and the outer cylinder body is provided with n long strip limiting grooves distributed along the circumference. The length direction of the long strip limiting groove is parallel to the axial direction, and the head end of the elastic top screw cooperates with the long strip limiting groove.

4. The bead adding gun according to claim 1, characterized in that: The top of the inner distribution cylinder is provided with a plurality of upwardly protruding protrusions distributed at intervals in the circumferential direction, and the lower end of the pressure cover is provided with a plurality of axial grooves, the protrusions are embedded in the axial grooves, and the pressure cover is provided with a stop surface at the upper part of the axial groove; it also includes a nut, which is passed through from top to bottom, and the upper mouth of the nut is provided with a stop, the nut passes through the upper part of the pressure cover from above, and is threadedly connected to the top of the outer cylinder, and the stop of the nut is located above the stop surface of the pressure cover.

5. The bead adding gun according to claim 1, characterized in that: The n grinding bead receiving grooves in the inner distribution cylinder have the same height in the axial direction, and different grinding bead receiving grooves have different groove lengths along the circumferential direction.

6. The bead adding gun according to claim 5, characterized in that: n=4, and the number of grinding beads that the four grinding bead holding grooves can hold is 1, 2, 3, and 4 respectively.

7. The bead adding gun according to claim 1, characterized in that: The grinding bead receiving groove has an upper inclined surface inclined upward in the axial direction, and the grinding bead receiving groove has a lower inclined surface inclined downward in the axial direction.

8. The bead adding gun according to claim 1, characterized in that: The cone head includes a ring body portion, a cylindrical portion and a cone portion, wherein the ring body portion is located at the lower end, the ring body portion is fixedly connected to the lower end portion of the outer cylinder, the inner side of the ring body portion and the inner side of the cylindrical portion are connected by a plurality of circumferentially spaced connecting ribs, and the cone portion is located at the top end of the cylindrical portion.

9. The bead adding gun according to claim 8, characterized in that: The outer diameter of the annular body matches the inner diameter of the outer cylinder, and the outer diameter of the cylindrical portion matches the inner diameter of the inner distribution cylinder.

10. The bead adding gun according to claim 9, characterized in that: The wall of the ring body is provided with a radially extending inner connecting hole, and the wall of the lower end portion of the outer cylinder is provided with a radially penetrating outer connecting hole. The outer connecting hole and the inner connecting hole are coaxially arranged in the radial direction, and a locking screw passes through the outer connecting hole and is connected with the inner connecting hole of the ring body.

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