Laser etching jig for plastic molding
By designing a sliding screw structure with horizontal and vertical grooves on the laser engraving fixture, combined with an adjusting handle and ratchet gear, the problem of unstable position of plastic mobile phone cases during laser engraving is solved, enabling precise positioning and multi-directional adjustment of the workpiece and ensuring processing accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-10
AI Technical Summary
When laser engraving plastic phone cases, the workpiece is difficult to position, and engraving deviation is prone to occur.
A laser engraving fixture for plastic molding was designed, which adopts an adjustable lead screw and sliding guide block structure in the transverse and longitudinal grooves, combined with an adjusting handle, ratchet gear and limiting pawl, to achieve precise positioning and multi-directional adjustment of the workpiece.
By adjusting the crank handle and ratchet gear, the workpiece is accurately positioned on the laser engraving fixture, avoiding engraving deviation and adapting to the processing needs of workpieces of different sizes and depths.
Smart Images

Figure CN224102102U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a laser etching jig field, specifically a laser etching jig of plastic forming. BACKGROUND
[0002] Laser etching is to use laser beam to engrave permanent marks on the surface of matter or inside transparent matter, laser beam can produce two effects, i.e. chemical effect and physical effect, when matter absorbs laser beam instantaneously, physical or chemical reaction is produced, thereby traces are engraved or patterns or characters are displayed, so it is also called laser marking machine or laser engraving machine, usually, patterns on the outer side of plastic products such as mobile phone shell and tablet shell are formed by laser processing.
[0003] However, when the mobile phone shell of plastic is processed, the product is directly placed on the outer side of the engraving machine, the position of the workpiece is inconvenient to position during processing each time, and the engraving deviation is prone to occur. UTILITY MODEL CONTENT
[0004] In view of the defects of the prior art, the utility model provides a laser etching jig of plastic forming, which solves the problems mentioned in the above background.
[0005] The utility model provides the following technical scheme: a laser etching jig of plastic forming, including laser etching jig, the upper surface of laser etching jig is transversely provided with transverse sliding slot, the upper surface of laser etching jig is longitudinally provided with longitudinal sliding slot, the inside of transverse sliding slot and longitudinal sliding slot is equipped with distance adjusting screw rod, the connecting place of two distance adjusting screw rods is located in the inside of laser etching jig and is provided with fixed support seat, the inside of fixed support seat is located on the outside of two distance adjusting screw rods and is installed with rotating bearing, the outside of distance adjusting screw rod in the inside of transverse sliding slot is installed with first sliding guide block, the outside of distance adjusting screw rod in the inside of longitudinal sliding slot is installed with second sliding guide block, the upper surface of first sliding guide block and second sliding guide block is provided with fine adjustment slot, the inside of fine adjustment slot is installed with plugboard.
[0006] As a further scheme of the utility model: the side surface of plugboard is installed with elastic clamping bead, the upper end inside of fixed support seat is installed with movable support seat.
[0007] As a further scheme of the utility model: one end of two distance adjusting screw rods is located on the outside of laser etching jig and is installed with adjusting crank, one side of adjusting crank is provided with ratchet gear, one side of ratchet gear is located on the side surface of laser etching jig and is provided with limit pawl.
[0008] As a further scheme of the utility model: first sliding guide block and second sliding guide block are rotatably connected with distance adjusting screw rod, fixed support seat is fixedly connected with laser etching jig.
[0009] As a further scheme of the utility model: the plugboard is L-shaped structure component, two distance adjusting screw rods are positive and negative tooth screw rod components.
[0010] As a further scheme of the utility model: the fixed support base is clamped with the fine adjustment slot through the elastic clamping bead.
[0011] As a further scheme of the utility model: the movable support base is engaged with the fixed support base and is rotationally connected.
[0012] As a further scheme of the utility model: the limiting pawl is clamped with the ratchet gear.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] By respectively controlling the adjustment crank of the two distance adjusting screw rod ends to rotate, the first sliding guide block and the second sliding guide block are respectively controlled to move in the inside of the transverse sliding groove and the longitudinal sliding groove towards the position away from the fixed support base circle center, thereby the positioning of the workpieces of different sizes is guaranteed, and the accuracy of the subsequent workpiece processing position is guaranteed.
[0015] The movable support base is engaged with the fixed support base and rotationally controlled to install the height, the elastic clamping beads of different heights outside the plugboard are clamped in the different depths inside the fine adjustment slot, the height of the upper surface of the plugboard is adjusted to be flush with the upper surface of the movable support base, and the support of the workpieces of different depths is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structure schematic view of a plastic forming laser etching jig;
[0017] Figure 2 It is a structure schematic view of a distance adjusting screw rod in a plastic forming laser etching jig;
[0018] Figure 3 It is a structure schematic view of an adjustment crank in a plastic forming laser etching jig;
[0019] Figure 4 It is a structure schematic view of a sliding guide block in a plastic forming laser etching jig;
[0020] Figure 5 It is a structure schematic view of a fixed support base in a plastic forming laser etching jig.
[0021] In the diagram: 1. Laser engraving fixture; 2. Horizontal slide groove; 3. Vertical slide groove; 4. Adjusting screw; 5. Adjusting handle; 401. First sliding guide block; 402. Second sliding guide block; 403. Fixed support base; 404. Rotary bearing; 405. Insert plate; 406. Fine-tuning slot; 407. Elastic retaining ball; 408. Movable support base; 501. Ratchet; 502. Limiting pawl. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] like Figures 1-5 As shown, this embodiment provides a laser engraving fixture for plastic molding, including a laser engraving fixture 1. A transverse groove 2 is transversely formed on the upper surface of the laser engraving fixture 1, and a longitudinal groove 3 is longitudinally formed on the upper surface of the laser engraving fixture 1. Adjustable lead screws 4 are installed inside both the transverse groove 2 and the longitudinal groove 3. A fixed support 403 is provided inside the laser engraving fixture 1 at the connection point of the two adjustable lead screws 4. A rotating bearing 404 is installed inside the fixed support 403 on the outer side of the two adjustable lead screws 4. The adjustable lead screws 4 located inside the transverse groove 2 are connected to the outer side of the adjustable lead screws 4. A first sliding guide block 401 is installed on the side, and a second sliding guide block 402 is installed on the outside of the adjusting screw 4 located inside the longitudinal groove 3. Both the first sliding guide block 401 and the second sliding guide block 402 are meshed and rotatably connected with the adjusting screw 4. The fixed support base 403 is fixedly connected to the laser engraving fixture 1. The upper surfaces of the first sliding guide block 401 and the second sliding guide block 402 are provided with fine adjustment slots 406. The fine adjustment slots 406 are equipped with insert plates 405. The insert plates 405 are L-shaped structural components. Both adjusting screws 4 are positive and negative thread screw components.
[0024] like Figures 2-3 As shown, in this embodiment, an elastic retaining bead 407 is installed on the side surface of the insert plate 405, and the fixed support base 403 is engaged with the fine-tuning slot 406 through the elastic retaining bead 407. A movable support base 408 is installed on the inner side of the upper end of the fixed support base 403. The movable support base 408 is meshed and rotatably connected with the fixed support base 403. One end of the two adjusting screws 4 is located on the outside of the laser engraving fixture 1 and an adjusting handle 5 is installed. A ratchet 501 is provided on one side of the adjusting handle 5. A limiting pawl 502 is provided on one side of the ratchet 501 located on the side surface of the laser engraving fixture 1. The limiting pawl 502 is engaged with the ratchet 501.
[0025] The working principle of the utility model is: when using, the overall depth size of the workpiece is judged, the movable support base 408 and the fixed support base 403 are controlled to mesh and rotate, the installation height of the movable support base 408 is controlled, then the multiple plug-in plates 405 are inserted into the fine adjustment slot 406 inside the first sliding guide block 401 and the second sliding guide block 402, the elastic clamping beads 407 outside the plug-in plate 405 are controlled to clamp in the different depths inside the fine adjustment slot 406, the height of the upper surface of the plug-in plate 405 and the upper surface of the movable support base 408 are adjusted to be flush, the outer side of the overall workpiece is placed above the laser etching jig 1, the two distance adjusting lead screws 4 ends are controlled to rotate respectively by the adjusting handle 5, the first sliding guide block 401 and the second sliding guide block 402 are controlled to move in the horizontal sliding groove 2 and the vertical sliding groove 3 respectively towards the position away from the center of the fixed support base 403, so that the plug-in plate 405 above the first sliding guide block 401 and the second sliding guide block 402 limits the four edges of the workpiece, and the movable support base 408 supports the center position of the workpiece, so that the laser processing of the workpiece can be guaranteed.
[0026] It should be noted that in this document, the terms "first" and "second" and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions, and the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A laser engraving fixture for plastic molding, comprising a laser engraving fixture (1), characterized in that, The upper surface of the laser engraving fixture (1) is provided with a transverse sliding groove (2) and a longitudinal sliding groove (3) on the upper surface of the laser engraving fixture (1). Adjustment screws (4) are installed inside the transverse sliding groove (2) and the longitudinal sliding groove (3). A fixed support seat (403) is provided inside the laser engraving fixture (1) at the connection point of the two adjustment screws (4). A rotating bearing (404) is installed inside the fixed support seat (403) on the outside of the two adjustment screws (4). A first sliding guide block (401) is installed on the outside of the adjustment screw (4) inside the transverse sliding groove (2). A second sliding guide block (402) is installed on the outside of the adjustment screw (4) inside the longitudinal sliding groove (3). A fine adjustment slot (406) is provided on the upper surface of the first sliding guide block (401) and the second sliding guide block (402). A plug plate (405) is installed inside the fine adjustment slot (406).
2. The laser engraving fixture for plastic molding according to claim 1, characterized in that, The side surface of the insert plate (405) is equipped with an elastic retaining bead (407), and the upper inner side of the fixed support base (403) is equipped with a movable support base (408).
3. The laser engraving fixture for plastic molding according to claim 1, characterized in that, One end of each of the two adjustable lead screws (4) is equipped with an adjusting handle (5) on the outside of the laser engraving fixture (1). A ratchet (501) is provided on one side of the adjusting handle (5), and a limiting pawl (502) is provided on one side of the ratchet (501) on the side surface of the laser engraving fixture (1).
4. The laser-engraved fixture for plastic molding according to claim 1, characterized in that, The first sliding guide block (401) and the second sliding guide block (402) are both meshed and rotatably connected to the adjusting screw (4), and the fixed support base (403) is fixedly connected to the laser engraving fixture (1).
5. A laser-engraved fixture for plastic molding according to claim 1, characterized in that, The insert plate (405) is an L-shaped structural component, and the two adjusting screws (4) are both positive and negative thread screw components.
6. A laser-engraved fixture for plastic molding according to claim 2, characterized in that, The fixed support (403) is engaged with the fine-tuning slot (406) by the elastic bead (407).
7. A laser-engraved fixture for plastic molding according to claim 2, characterized in that, The movable support (408) is engaged and rotatably connected to the fixed support (403).
8. A laser-engraved fixture for plastic molding according to claim 3, characterized in that, The limiting pawl (502) engages with the ratchet gear (501).