Positioning self-locking structure

Abstract

The utility model discloses a positioning self-locking structure which comprises a positioning bottom plate, a plurality of side edge positioning units arranged on the positioning bottom plate and end elastic pressing devices, the side edge positioning units are distributed on the periphery of a product station, and the end elastic pressing devices are arranged at the two ends of the product station. Each side edge positioning unit comprises a fixing base fixed to the positioning bottom plate, a connecting block hinged to the fixing base, a U-shaped connecting piece hinged to the connecting block and a side edge positioning block hinged to the U-shaped connecting piece, and side edge positioning holes are formed in the side edge positioning blocks. A worker inserts a pin piece into the side edge positioning hole and the positioning hole in the side wall of the glasses mold, and the side edge positioning block is fixedly connected with the glasses mold. Afterwards, the worker presses the connecting block downwards, the side edge positioning block and the glasses mold descend along with the connecting block and press the positioning bottom plate, and the side wall of the glasses mold is positioned. The utility model provides a glasses mold positioning structure which is beneficial to stable positioning of a glasses mold.

Description

Technical Field

[0001] The utility model relates to product positioning, in particular to a positioning structure of a glasses mould. Background Art

[0002] The glasses mold is used for processing glasses. The glasses mold processing equipment is used for processing glasses molds. The glasses mold processing equipment is provided with a glasses mold positioning structure. When the glasses mold positioning structure positions the glasses mold blank, the glasses mold processing equipment processes the glasses mold. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a glasses mold positioning structure, which is conducive to the stable positioning of the glasses mold.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a positioning self-locking structure, including a positioning base plate, a plurality of side positioning units arranged on the positioning base plate, and an end elastic clamping device, the plurality of side positioning units are distributed around the product station, the end elastic clamping device is arranged at both ends of the product station, the side positioning unit includes a fixed seat fixed on the positioning base plate, a connecting block hinged to the fixed seat, a U-shaped connecting piece hinged to the connecting block, and a side positioning block hinged to the U-shaped connecting piece, and the side positioning block is provided with a side positioning hole.

[0005] The glasses mold has not yet been positioned on the positioning base plate, and the side positioning block can move freely relative to the fixed seat. The worker inserts the pin into the side positioning hole and the positioning hole on the side wall of the glasses mold, and the side positioning block is fixedly connected to the glasses mold. After that, the worker presses down the connection block, and the side positioning block and the glasses mold are then lowered and pressed on the positioning base plate, wherein the glasses mold is positioned on the product station. All the side positioning units around the glasses mold position the side wall of the glasses mold. After that, the end elastic clamping device acts on the two ends of the glasses mold to press the glasses mold on the product station of the positioning base plate.

[0006] The utility model provides a glasses mold positioning structure, which is beneficial to the stable positioning of the glasses mold.

[0007] The end elastic clamping device includes a column mounted on the positioning base plate and a first spring matched with the column. Positioning holes are provided at both ends of the glasses mold, and a third spring is provided below the positioning holes, and the bottom end of the third spring abuts against the positioning base plate. The column is inserted into the positioning hole, the bottom end of the first spring acts on the glasses mold, and the top end of the first spring abuts against the top flange of the column. In this way, under the positioning of the column and the bidirectional action of the first spring and the third spring, the end of the glasses mold is stably positioned.

[0008] The positioning base plate is provided with end fasteners, which are distributed at both ends of the product station. The end fasteners are provided with hooks, which can hook the end edge of the glasses mold and press the end of the glasses mold tightly on the product station of the positioning base plate.

[0009] The positioning bottom plate is provided with a plurality of positioning supports, the top of the positioning supports is wedge-shaped, and rollers are provided on the positioning supports. The glasses mold is clamped in the plurality of positioning supports, and when the glasses mold is clamped downward into the plurality of positioning supports, the rollers roll relative to the side walls of the glasses mold to reduce friction.

[0010] A rotating part is hinged on the mold, and a second spring is provided between the rotating part and the mold body, and the positioning support can abut against the side wall of the rotating part. The glasses mold body is provided with a groove structure, and the rotating part is located in the groove structure. When the glasses mold descends to the product station, the roller of the positioning support acts on the rotating part, and the rotating part compresses the second spring. The reaction force of the second spring on the rotating part is conducive to the stable positioning of the glasses mold.

[0011] The mold is provided with a rotating center lock, which includes a rod, a locking piece hinged at the top of the rod, a locking rod fixed at the bottom of the rod, and a pressing piece movably fitted on the rod, and the locking piece is provided with a convex portion. The rod passes through the positioning base, the locking rod is located below the positioning base, and the locking piece is located above the glasses mold. When the locking piece is rotated, the rod is pulled up under the action of the convex portion, so that the pressing piece and the locking rod clamp the glasses mold and the positioning base towards each other, which is conducive to the stable positioning of the glasses mold.

[0012] The positioning base plate is provided with a strip-shaped through hole for the locking rod and the rod to pass through, and the bottom of the strip-shaped through hole is provided with a locking rod rotation positioning groove. When the rotary center lock is installed with the positioning base plate, the rod is inserted into the strip-shaped through hole from top to bottom, and the locking rod passes through the strip-shaped through hole. Afterwards, the rod is rotated, and the locking rod enters the locking rod rotation positioning groove. Afterwards, the locking plate is rotated, and under the action of the convex part, the rod is pulled up, and the pressing plate and the locking rod clamp the glasses mold and the positioning base toward each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the positioning self-locking structure;

[0015] Figure 2 This is a schematic diagram of the positioning self-locking structure observed from below;

[0016] Figure 3 is a schematic diagram of a side positioning unit;

[0017] Figure 4 is a schematic diagram of a positioning support;

[0018] Figure 5 is a schematic diagram of a rotary center lock;

[0019] Figure 6 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 7 is a schematic diagram of a glasses mold;

[0021] Figure 8 This is a schematic diagram of the eyeglass mold observed from below;

[0022] Fig. 9 Schematic diagram of positioning the eyeglass mold on the positioning self-locking structure.

[0023] Explanation of symbols in the figure:

[0024] 10. Positioning base plate; 11. Strip-shaped through hole; 12. Lock rod rotation positioning groove;

[0025] 20. Side positioning unit; 21. Fixing seat; 22. Connecting block; 23. U-shaped connecting piece; 24. Side positioning block; 240. Side positioning hole;

[0026] 30. End elastic clamping device; 31. Column; 32. First spring;

[0027] 40. End fastener;

[0028] 50. Positioning support; 51. Roller;

[0029] 60, rotary center lock; 61, rod; 62, locking plate; 620, convex portion; 63, locking rod; 64, pressing plate;

[0030] 90. Glasses mould; 91. Rotating member; 92. Second spring; 93. Positioning hole on the side wall of the glasses mould; 94. Third spring. DETAILED DESCRIPTION

[0031] Combination Figure 1 , Figure 3 The positioning self-locking structure includes a positioning base plate 10, a plurality of side positioning units 20 arranged on the positioning base plate, and an end elastic clamping device 30. The plurality of side positioning units are distributed around the product station, and the end elastic clamping device is arranged at both ends of the product station. The side positioning unit includes a fixed seat 21 fixed on the positioning base plate, a connecting block 22 hinged to the fixed seat, a U-shaped connecting piece 23 hinged to the connecting block, and a side positioning block 24 hinged to the U-shaped connecting piece. The side positioning block is provided with a side positioning hole 240.

[0032] refer to Fig. 9, the glasses mold 90 has not yet been positioned on the positioning base plate 10, and the side positioning block 24 can move freely relative to the fixing seat 21. The worker inserts the pin into the side positioning hole 240 and the positioning hole 93 on the side wall of the glasses mold, and the side positioning block 24 is fixedly connected to the glasses mold 90. Afterwards, the worker presses down the connecting block 22, and the side positioning block and the glasses mold are subsequently lowered and pressed on the positioning base plate 10, wherein the glasses mold 90 is positioned on the product station. All the side positioning units 20 surrounding the glasses mold position the side wall of the glasses mold. Afterwards, the end elastic clamping device 30 acts on the two ends of the glasses mold 90 to press the glasses mold on the product station of the positioning base plate 10.

[0033] like Figure 1 The end elastic clamping device 30 includes a column 31 installed on the positioning base plate 10 and a first spring 32 matched with the column. Positioning holes are provided at both ends of the glasses mold 90, and a third spring 94 is provided below the positioning hole, and the bottom end of the third spring abuts against the positioning base plate. The column 31 is inserted into the positioning hole, and the bottom end of the first spring 32 acts on the glasses mold 90, and the top end of the first spring abuts against the top flange of the column. In this way, under the positioning of the column 31 and the bidirectional action of the first spring 32 and the third spring 94, the end of the glasses mold is stably positioned.

[0034] The positioning base plate 10 is provided with end fasteners 40, which are distributed at both ends of the product station. The end fasteners 40 are provided with hooks, which can hook the end edge of the eyeglass mold 90 and press the end of the eyeglass mold on the product station of the positioning base plate 10.

[0035] like Figure 4 The positioning base plate 10 is provided with a plurality of positioning supports 50, the top of the positioning supports is wedge-shaped, and the positioning supports are provided with rollers 51. The glasses mold 90 is clamped in the plurality of positioning supports 50, and in the process of the glasses mold being clamped downward into the plurality of positioning supports, the rollers 51 roll relative to the side walls of the glasses mold 90 to reduce friction.

[0036] refer to Figure 8 The mold is hinged with a rotating member 91, and a second spring 92 is provided between the rotating member and the mold body. The positioning support 50 can abut against the side wall of the rotating member. When the eyeglass mold 90 descends to the product station, the roller 51 of the positioning support acts on the rotating member 91, and the rotating member compresses the second spring 92. The reaction force of the second spring on the rotating member is conducive to the stable positioning of the eyeglass mold.

[0037] Combination Figure 1 , Figure 5The mold is provided with a rotating center lock 60, which includes a rod 61, a locking piece 62 hinged at the top of the rod, a locking rod 63 fixed at the bottom of the rod, and a pressing piece 64 movably fitted on the rod, and the locking piece is provided with a convex portion 620. The rod 61 passes through the positioning base 10, the locking rod 63 is located below the positioning base, and the locking piece 62 is located above the eyeglass mold 90. When the locking piece 62 is rotated, the rod 61 is pulled up under the action of the convex portion 620, so that the pressing piece 64 and the locking rod 63 clamp the eyeglass mold 90 and the positioning base 10 towards each other, which is conducive to the stable positioning of the eyeglass mold.

[0038] like Figure 6 The positioning base plate 10 is provided with a strip-shaped through hole 11 for the locking rod 63 to pass through, and the bottom of the strip-shaped through hole is provided with a locking rod rotation positioning groove 12. When the rotary center lock 60 is installed with the positioning base plate 10, the rod 61 is inserted into the strip-shaped through hole 11 from top to bottom, and the locking rod 63 passes through the strip-shaped through hole. Afterwards, the rod 61 is rotated, and the locking rod enters the locking rod rotation positioning groove 12. Afterwards, the locking plate 62 is rotated, and under the action of the convex portion 620, the rod 61 is pulled up, and the pressing plate and the locking rod 63 clamp the eyeglass mold 90 and the positioning base 10 toward each other.

[0039] The above contents are only preferred implementation modes of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation mode and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A positioning self-locking structure, comprising a positioning base plate (10), a plurality of side positioning units (20) arranged on the positioning base plate, and an end elastic pressing device (30), characterized in that: A plurality of side positioning units are distributed around the product station, and end elastic clamping devices are arranged at both ends of the product station. The side positioning units include a fixing seat (21) fixed on the positioning base plate, a connecting block (22) hinged to the fixing seat, a U-shaped connecting piece (23) hinged to the connecting piece, and a side positioning block (24) hinged to the U-shaped connecting piece. The side positioning block is provided with a side positioning hole (240).

2. The positioning self-locking structure according to claim 1, characterized in that: The end elastic pressing device (30) comprises a column (31) mounted on the positioning base plate (10) and a first spring (32) matched on the column.

3. The positioning self-locking structure according to claim 1, characterized in that: The positioning base plate (10) is provided with end fasteners (40), which are distributed at both ends of the product station.

4. The positioning self-locking structure according to claim 1, characterized in that: A plurality of positioning supports (50) are arranged on the positioning base plate (10), the tops of the positioning supports are wedge-shaped, and rollers (51) are arranged on the positioning supports.

5. The positioning self-locking structure according to claim 4, characterized in that: A rotating member (91) is hinged on the mold, a second spring (92) is provided between the rotating member and the mold body, and the positioning support (50) can abut against the side wall of the rotating member.

6. The positioning self-locking structure according to claim 1, characterized in that: The mold is provided with a rotating center lock (60), which includes a rod (61), a locking plate (62) hinged on the top of the rod, a locking rod (63) fixed on the bottom of the rod, and a pressing plate (64) movably fitted on the rod, and the locking plate is provided with a convex portion (620).

7. The positioning self-locking structure according to claim 6, characterized in that: The positioning base plate (10) is provided with a strip-shaped through hole (11) for the locking rod (63) to pass through, and a locking rod rotation positioning groove (12) is provided at the bottom of the strip-shaped through hole.

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