Clamping device for grinding edge of meniscus lens

Abstract

The utility model provides a meniscus lens edge polishing clamp holder which comprises a supporting seat, a lower rotating shaft and an upper rotating shaft located above the lower rotating shaft are arranged on the supporting seat, the lower rotating shaft and the upper rotating shaft are coaxial, and the opposite ends of the lower rotating shaft and the upper rotating shaft are fixedly connected with a lower pressing disc and an upper pressing disc respectively. The opposite sides of the upper pressing disc and the lower pressing disc are each fixedly connected with at least three pressing piles evenly distributed in the circumferential direction, the upper rotating shaft is further connected with the supporting base in an up-down sliding mode, and the supporting base is connected with a pressing ring in an up-down sliding mode, and the upper rotating shaft is sleeved with the pressing ring in a clearance mode. According to the utility model, the pressing ring which is coaxial with the upper rotating shaft is arranged, then the plurality of inclined pressing rods are arranged at the bottom of the pressing ring, the pressing ring is arranged in an up-and-down sliding manner, and when the pressing ring is controlled to slide downwards, the plurality of inclined pressing rods extrude and push the meniscus lens and the upper rotating shaft to be in a coaxial or approximately coaxial state; therefore, the grinding uniformity of the outer edge of the meniscus lens and the appearance quality after grinding can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of meniscus lens grinding, in particular to a meniscus lens edge grinding clamp. Background Art

[0002] The meniscus lens is a crescent lens composed of two spherical surfaces with small curvature radii and little numerical difference. Currently, when grinding the edge of the meniscus lens, the edge of the meniscus lens is usually ground manually by holding the meniscus lens, which can easily cause damage to the hand and has low grinding efficiency.

[0003] The utility model with publication number CN216399064U proposes a meniscus lens edge grinding clamp, including a body and a grinding assembly installed on the top of the body, the grinding assembly including a grinding wheel, a grinding shaft connected to the grinding wheel and a driving device, the driving device is fixed at the top of the body, the grinding shaft passes through the driving device and is connected to the grinding wheel, the driving device drives the grinding wheel to rotate through the grinding shaft, a fixed plate is provided at the top of the body, a clamping assembly is fixed on one side of the fixed plate to cooperate with the grinding assembly; the beneficial effects are: the edge of the meniscus lens is ground by clamping the meniscus lens with the clamping assembly, and the meniscus lens can be rotated by providing a rotating assembly, which is convenient for the grinding assembly to fully grind the edge of the meniscus lens, reduces personal injury, improves grinding efficiency, and reduces costs.

[0004] However, the above-mentioned prior art still has shortcomings when in use: the inverse curved surface of the meniscus lens lacks a correction function when it is clamped, that is, when the clamped meniscus lens is controlled to rotate to change the grinding position, it will experience a circular jump phenomenon, which makes the grinding amount of the periphery of the meniscus lens uneven, not only the grinding efficiency is low, but also the quality after grinding is poor.

[0005] To this end, the utility model provides a meniscus lens edge grinding clamp. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a meniscus lens edge grinding clamp to solve the problems raised in the above-mentioned background technology. The utility model has the function of correcting and tightening the meniscus lens so that the center of the meniscus lens and the rotation center of the meniscus lens coincide with each other, thereby greatly improving the grinding efficiency.

[0007] The top of the support seat is provided with a cylinder for driving the axial movement of the upper rotating shaft, and the support seat is also provided with a driving combination for driving the upper rotating shaft and the lower rotating shaft to rotate at the same angular velocity.

[0008] Furthermore, a base plate and a suspension beam located above the base plate are fixedly provided on the support seat, a suspension plate is fixedly connected to the lower part of the suspension beam, a rotating sleeve is penetrated through the suspension plate, the upper rotating shaft sleeve is arranged in the rotating sleeve and is slidably connected up and down, the cylinder is fixedly provided on the top of the suspension beam and its output shaft is rotatably connected to the top of the upper rotating shaft, and the lower rotating shaft is rotatably connected to the top of the base plate.

[0009] Furthermore, two guide shafts penetrating the suspension plate are welded to the lower end surface of the suspension beam, and a guide sleeve mounted on the guide shaft is welded to the pressure ring.

[0010] Furthermore, a baffle is welded to the bottom of the guide shaft, and a return spring is sleeved on the guide shaft and located between the guide sleeve and the baffle.

[0011] Furthermore, the driving combination includes a transmission shaft, a transmission pulley 1, a transmission pulley 2 and a transmission belt. The transmission shaft is rotatably connected between the base plate and the suspension beam and is parallel to the upper rotating shaft. The rotating sleeve and the lower rotating shaft are both provided with a fixed sleeve with a transmission pulley 2. The fixed sleeve on the transmission shaft is provided with a transmission pulley 1 which is connected to the transmission pulley 2 through the transmission belt.

[0012] Furthermore, the driving assembly also includes a control motor, which is fixedly arranged on the top of the suspension beam and whose output shaft is fixedly connected to the top of the transmission shaft.

[0013] Furthermore, a protective roller sleeve is provided on the bottom of the inclined pressure rod.

[0014] Furthermore, a handle is welded to the outer peripheral wall of the pressure ring.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. In the utility model, a pressure ring is provided which is coaxial with the upper rotating shaft, and then a plurality of inclined pressure rods are provided at the bottom of the pressure ring, and the pressure ring is provided to slide up and down. When the pressure ring is controlled to slide downward, the plurality of inclined pressure rods will squeeze and push the meniscus lens and the upper rotating shaft to be coaxial or approximately coaxial, thereby improving the uniformity of the grinding of the outer edge of the meniscus lens and the appearance quality after grinding.

[0017] 2. The utility model sets an upper pressure plate and a lower pressure plate, and then sets a plurality of pressure piles on the opposite sides of the upper pressure plate and the lower pressure plate. When the upper pressure plate and the lower pressure plate are pressed against each other, the front and rear curved surfaces of the meniscus lens will be pressed by the plurality of pressure piles at the same time, which greatly improves the stability of the meniscus lens clamping.

[0018] 3. The present invention uses a new type of roller sleeve at the bottom of the inclined pressure rod, which facilitates the rotation correction of the meniscus lens during the rotational grinding process, and facilitates the external grinding equipment to increase the grinding feed rate, thereby improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a meniscus lens edge grinding clamp of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the cooperation of the pressure ring, the rotating sleeve, the upper rotating shaft and the suspension beam of the meniscus lens edge grinding clamp of the utility model;

[0021] Figure 3 It is a plan view of a driving assembly of a meniscus lens edge grinding clamp of the utility model;

[0022] In the figure: 1. support seat; 11. bottom plate; 12. suspension beam; 121. suspension plate; 1211. rotating sleeve; 122. guide shaft; 1221. baffle plate; 2. lower rotating shaft; 3. upper rotating shaft; 4. upper pressure plate; 5. lower pressure plate; 6. pressure pile; 7. pressure ring; 71. guide sleeve; 72. handle; 8. tilting pressure rod; 81. protective roller sleeve; 9. cylinder; 101. drive assembly; 1011. transmission shaft; 1012. transmission pulley 1; 1013. transmission pulley 2; 1014. transmission belt; 1015. control motor; 102. reset spring. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figures 1 to 3The utility model provides a technical solution: a meniscus lens edge grinding clamp, the function of the clamp is to clamp the meniscus lens, and it is used in conjunction with an external grinder, that is, after the device clamps the meniscus lens, the grinding disc on the external grinding equipment rotates and feeds to grind the outer edge of the meniscus lens.

[0025] In the technical solution, the clamp includes a support seat 1, on which a lower rotating shaft 2 and an upper rotating shaft 3 located above the lower rotating shaft 2 are arranged. The lower rotating shaft 2 and the upper rotating shaft 3 are coaxial, and the opposite ends of the two are respectively fixedly connected with a lower pressure plate 5 and an upper pressure plate 4, and the upper pressure plate 4, the lower pressure plate 5 and the upper rotating shaft 3 are all coaxial, wherein the upper pressure plate 4 and the lower pressure plate 5 function to clamp the meniscus lens. At least three circumferentially evenly distributed pressure piles 6 are fixedly connected to the opposite sides of the upper pressure plate 4 and the lower pressure plate 5, and the meniscus lens is clamped by the pressure piles 6, wherein the free end of the pressure piles 6 can be provided with a silicone pad, the purpose of which is to protect the mirror surface of the meniscus lens. Among them, the upper rotating shaft 3 is also connected to the support seat 1 in an up-and-down sliding manner, so that when the upper rotating shaft 3 moves toward the lower rotating shaft 2, the pressure piles 6 will clamp the meniscus lens.

[0026] A pressure ring 7 is connected to the support seat 1 for sliding up and down with a gap mounted on the outside of the upper rotating shaft 3. The pressure ring 7 is coaxial with the upper rotating shaft 3 and at least three circumferentially evenly distributed inclined pressure rods 8 are fixedly connected to its bottom. The bottom of the inclined pressure rod 8 is inclined outward. When the inclined pressure rod 8 moves downward with the pressure ring 7, the outer peripheral wall of the inclined pressure rod will contact the outer edge of the meniscus lens between the upper pressure plate 4 and the lower pressure plate 5. The inclined pressure rod 8 will correct the meniscus lens so that it is coaxial or nearly coaxial with the upper rotating shaft 3.

[0027] Specifically, the support seat 1 is fixedly provided with a bottom plate 11 and a suspension beam 12 located above the bottom plate 11. In this embodiment, the entire support seat 1 can be a vertical trough frame structure. A suspension plate 121 is fixedly connected below the suspension beam 12. A rotating sleeve 1211 is provided through the suspension plate 121. Specifically, a limiting hole connected to the rotating sleeve 1211 through a bearing is opened in the middle of the suspension plate 121. The upper rotating shaft 3 is sleeved in the rotating sleeve 1211 and is slidably connected up and down. The preferred sliding connection structure can adopt a spline matching structure. The lower rotating shaft 2 is rotatably connected to the top of the bottom plate 11. A positioning sleeve rotatably connected to the lower rotating shaft 2 can be welded on the upper end surface of the bottom plate 11.

[0028] Furthermore, two guide shafts 122 penetrating the suspension plate 121 are welded to the lower end surface of the suspension beam 12, and a guide sleeve 71 sleeved on the guide shaft 122 is welded on the pressure ring 7, thereby realizing the up and down sliding connection between the suspension plate 121 and the guide shaft 122.

[0029] A cylinder 9 is provided on the top of the support seat 1 for driving the axial movement of the upper rotating shaft 3, that is, the axial movement of the upper rotating shaft 3 is driven by the cylinder 9. Specifically, the cylinder 9 is fixedly arranged on the top of the suspension beam 12 and its output shaft is rotatably connected to the top of the upper rotating shaft 3. A door frame for installing the cylinder 9 can be welded on the top of the suspension beam 12, and the top and the gap of the upper rotating shaft 3 pass through the suspension beam 12. The output shaft of the upper rotating shaft 3 and the cylinder 9 can adopt a connection structure with a T-slot and a T-head.

[0030] In this embodiment, a baffle 1221 is welded to the bottom of the guide shaft 122, and a return spring 102 is sleeved on the guide shaft 122 and located between the guide sleeve 71 and the baffle 1221. The function of the return spring 102 is to push the pressure ring 7 upward to return to the original position. When the meniscus lens is corrected, the pressure ring 7 will automatically move upward after being released.

[0031] The support seat 1 is also provided with a driving assembly 101 for driving the upper rotating shaft 3 and the lower rotating shaft 2 to rotate at equal angular speeds. The driving assembly 101 has the effect of reducing the investment in transmission equipment, that is, reducing the cost investment, and also has the advantage of simplifying the transmission structure.

[0032] Specifically, the preferred structure of the above-mentioned drive assembly 101 is that it includes a transmission shaft 1011, a transmission pulley 1012, a transmission pulley 2 1013 and a transmission belt 1014, the transmission shaft 1011 is rotatably connected between the bottom plate 11 and the suspension beam 12 and is parallel to the upper rotating shaft 3, the rotating sleeve 1211 and the lower rotating shaft 2 are both fixedly sleeved with a transmission pulley 2 1013, and the transmission shaft 1011 is fixedly sleeved with a transmission pulley 1012 connected to the transmission pulley 2 1013 through a transmission belt 1014, wherein the transmission belt 1014 is a synchronous belt, and when the transmission shaft 1011 is controlled to rotate, the upper rotating shaft 3 and the lower rotating shaft 2 rotate in the same direction at the same angular speed. Among them, the drive assembly 101 also includes a control motor 1015, which is fixedly arranged on the top of the suspension beam 12 and its output shaft is fixedly connected to the top of the transmission shaft 1011, and the control motor 1015 provides driving force for the rotation of the transmission shaft 1011.

[0033] In this embodiment, a protective roller sleeve 81 is provided at the bottom of the tilting pressure rod 8. The purpose of this arrangement is to facilitate the tilting pressure rod 8 to continuously squeeze the meniscus lens. That is to say, the meniscus lens can also be corrected using the protective roller sleeve 81 during the grinding process. The protective roller sleeve 81 is made of polyurethane, and rolling the outer edge of the meniscus lens will not cause rolling wear.

[0034] In this embodiment, a handle 72 is welded to the outer peripheral wall of the pressing ring 7 , and the handle 72 is an operating component when the pressing ring 7 is manually pressed.

[0035] Working principle: When using this device, control the return stroke of the cylinder 9, the upper rotating shaft 3 moves upward, and the gap between the upper pressure plate 4 and the lower pressure plate 5 increases. At this time, the meniscus lens whose outer edge is to be polished is inserted between the upper pressure plate 4 and the lower pressure plate 5, and then the cylinder 9 is controlled to push so that the pressure pile 6 lightly presses the meniscus lens, and then the handle 72 is held and pressed down, the pressure ring 7 moves downward, the reset spring 102 is compressed, and the protective roller sleeve 81 on the inclined pressure rod 8 on the periphery of the meniscus lens will touch the outer edge of the meniscus lens, and the meniscus lens will adaptively move laterally to a state where it is coaxial with the upper rotating shaft 3, and then continue to control the push stroke of the cylinder 9, at this time the pressure pile 6 presses the meniscus lens, and then the handle 72 is released, the reset spring 102 pushes the pressure ring 7 to move upward, and the meniscus lens is in a correction state.

[0036] During grinding, the external grinding wheel is controlled to approach the outer edge of the meniscus lens, and then fed for grinding, the control motor 1015 is started, the transmission shaft 1011 rotates, and under the drive of the transmission belt 1014, the upper rotating shaft 3 and the lower rotating shaft 2 rotate synchronously to drive the meniscus lens to rotate, thereby changing the grinding position, and then achieving uniform grinding of the outer edge of the meniscus lens.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A meniscus lens edge grinding clamp, comprising a support seat (1), characterized in that: The support seat (1) is provided with a lower rotating shaft (2) and an upper rotating shaft (3) located above the lower rotating shaft (2); the lower rotating shaft (2) and the upper rotating shaft (3) are coaxial and the opposite ends of the lower rotating shaft (2) are respectively fixedly connected with a lower pressure plate (5) and an upper pressure plate (4); the opposite sides of the upper pressure plate (4) and the lower pressure plate (5) are fixedly connected with at least three circumferentially evenly distributed pressure piles (6); the upper rotating shaft (3) is also connected to the support seat (1) in an up-and-down sliding manner; the support seat (1) is connected to the upper pressure plate (4) in an up-and-down sliding manner. A pressure ring (7) is connected to the upper rotating shaft (3) and is sleeved with a gap. The pressure ring (7) is coaxial with the upper rotating shaft (3) and has at least three circumferentially evenly distributed inclined pressure rods (8) fixedly connected to its bottom. The bottom of the inclined pressure rod (8) is inclined outward. A cylinder (9) is arranged on the top of the support seat (1) for driving the upper rotating shaft (3) to move axially. A driving assembly (101) is also arranged on the support seat (1) for driving the upper rotating shaft (3) and the lower rotating shaft (2) to rotate at equal angular speeds.

2. The meniscus lens edge grinding clamp according to claim 1, characterized in that: A bottom plate (11) and a suspension beam (12) located above the bottom plate (11) are fixedly arranged on the support seat (1); a suspension plate (121) is fixedly connected below the suspension beam (12); a rotating sleeve (1211) is penetrated through the suspension plate (121); the upper rotating shaft (3) is sleeved in the rotating sleeve (1211) and is slidably connected up and down; the cylinder (9) is fixedly arranged on the top of the suspension beam (12) and its output shaft is rotatably connected to the top of the upper rotating shaft (3); and the lower rotating shaft (2) is rotatably connected to the top of the bottom plate (11).

3. The meniscus lens edge grinding clamp according to claim 2, characterized in that: Two guide shafts (122) penetrating the suspension plate (121) are welded to the lower end surface of the suspension beam (12), and a guide sleeve (71) sleeved on the guide shaft (122) is welded to the pressure ring (7).

4. The meniscus lens edge grinding clamp according to claim 3, characterized in that: A baffle (1221) is welded to the bottom of the guide shaft (122), and a return spring (102) located between the guide sleeve (71) and the baffle (1221) is sleeved on the guide shaft (122).

5. The meniscus lens edge grinding holder according to claim 2, characterized in that: The driving assembly (101) comprises a transmission shaft (1011), a first transmission pulley (1012), a second transmission pulley (1013) and a transmission belt (1014); the transmission shaft (1011) is rotatably connected between the bottom plate (11) and the suspension beam (12) and is parallel to the upper rotating shaft (3); the second transmission pulley (1013) is fixedly sleeved on the rotating sleeve (1211) and the lower rotating shaft (2); and the first transmission pulley (1012) is fixedly sleeved on the transmission shaft (1011) and is connected to the second transmission pulley (1013) via the transmission belt (1014).

6. The meniscus lens edge grinding holder according to claim 5, characterized in that: The driving assembly (101) further comprises a control motor (1015), which is fixedly arranged on the top of the suspension beam (12) and has an output shaft fixedly connected to the top of the transmission shaft (1011).

7. The meniscus lens edge grinding holder according to claim 1, characterized in that: The bottom of the inclined pressure rod (8) is sleeved with a protective rolling sleeve (81).

8. The meniscus lens edge grinding holder according to claim 1, characterized in that: A handle (72) is welded to the outer peripheral wall of the pressure ring (7).

Images