Spring bolt polishing device for lock machining
By designing an automated lock tongue polishing device, which employs a combination of a cross slide and magnetic repulsion, the device achieves comprehensive polishing of the arc surface at the tip of the lock tongue, solving the problem of incomplete polishing in existing technologies and improving efficiency and security.
Patent Information
- Application Number
- CN202423228895.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing lock tongue polishing devices cannot fully polish the curved part at the tip of the lock tongue, resulting in high labor intensity, low efficiency, and easy injury to operators, as well as poor polishing effect.
A lock tongue grinding device for lock processing was designed. It uses a cross slide to drive the grinding block to move and rotate along the arc surface of the lock tongue. Combined with magnetic repulsion, it realizes automated grinding and unloading. It includes a combination structure consisting of a driver, grinding disc, support frame, electric push rod, cross slide, grinding motor and magnetic block.
It achieves fully automated grinding of the top arc surface of the lock tongue, reducing labor and improving grinding efficiency. The automatic feeding function also reduces manual intervention, improving safety and production efficiency.
Smart Images

Figure CN223572763U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lock tongue polishing device technical field, specifically a lock processing is with lock tongue polishing device. BACKGROUND
[0002] The powder metallurgy lock tongue is manufactured by the powder metallurgy process, can manufacture complex shape, has high material utilization, has the characteristics such as high strength and high performance, the manufacturing process includes mixing, forming, sintering and post-processing, is widely used in the lock field, and the market demand is gradually increasing, and the powder metallurgy lock tongue usually needs to polish the top end arc burr of the lock tongue after processing, by polishing the top end arc surface burr of the lock tongue, the top end arc surface of the lock tongue is smooth to reach the standard.
[0003] At present, the burr polishing of the lock tongue is polished by artificial, and the labor intensity is big, the efficiency is very low and the operator is easily hurt, and the polishing effect is not very good, and some need secondary polishing or waste treatment.
[0004] The existing Chinese patent with the publication number CN212858934U discloses a special polishing machine for powder metallurgy lock tongue, which comprises a polishing base and a polishing disc arranged in close contact with the polishing base, characterized in that the polishing base is connected with the polishing disc through a center shaft, the upper end of the center shaft is provided with a round handle, eight lock tongue mold openings are arranged on the polishing disc, powder metallurgy lock tongues are placed on the eight lock tongue mold openings, the powder metallurgy lock tongues are polished by the polishing disc and the polishing device, a mold outlet is arranged on the lower left side of the polishing base, a hose pipeline is arranged at the lower end of the mold outlet, a fixing ring and a fixing seat are arranged on the hose pipeline, and a mold outlet box is placed below the hose pipeline.
[0005] For the above and existing related technologies, the inventor believes that the following defects often exist: when the device polishes, the top end of the lock tongue is arc-shaped, and the sandpaper on the sand belt machine only polishes the local part of the top end of the lock tongue, cannot polish the top end of the lock tongue comprehensively, and needs to be improved, therefore, aiming at the above problems, a lock processing lock tongue polishing device is proposed. CONTENT OF THE UTILITY MODEL
[0006] In order to make up for the deficiencies of the prior art and solve the technical problems proposed above, the utility model provides a lock processing lock tongue polishing device.
[0007] The utility model discloses a lock tongue polishing device for lock processing, which comprises a base, a drive is fixedly connected to the center of the upper surface of the base, a polishing disc is fixedly connected to the driving end of the drive, a plurality of insertion grooves are arranged in the annular distribution on the edge of the upper surface of the polishing disc, a lock tongue piece is inserted into the insertion groove, a U-shaped support frame is fixedly connected to the upper surface of the base, a polishing assembly is installed below the support frame, the polishing assembly comprises an electric push rod, the outer wall of the electric push rod is fixedly connected to the upper surface of the support frame, a cross slide is fixedly connected to the driving end of the electric push rod, a polishing motor is fixedly connected to the sliding block of the cross slide, and a polishing block is fixedly connected to the driving end of the polishing motor.
[0008] Preferably, a plurality of limiting rods are fixedly connected to the upper surface of the cross slide, and the outer wall of the limiting rod penetrates the support frame.
[0009] Preferably, a scrap intercepting cover is fixedly connected to the outer wall of the upper side of the cross slide, and a groove is arranged on the lower surface of the scrap intercepting cover.
[0010] Preferably, a scrap collecting box and a finished product collecting box are fixedly arranged on the two sides of the upper surface of the base.
[0011] Preferably, a limiting assembly is arranged between the polishing disc, the insertion groove and the support frame, and the limiting assembly comprises two limiting protrusions fixedly arranged in the insertion groove.
[0012] Preferably, the limiting assembly further comprises a plurality of T-shaped discharge frames, a plurality of spring pieces and a connecting column, the outer wall of the discharge frame is slidably connected to the inner side wall of the insertion groove, the upper surface of the top end of the connecting column is fixedly connected to the support frame, and the bottom end of the connecting column is fixedly connected to a U-shaped magnetic resistance chamber.
[0013] Preferably, the spring piece is arranged in the insertion groove, and the two ends of the spring piece are fixedly connected to the outer wall of the discharge frame and the outer wall of the limiting protrusion, respectively, a magnetic block one is embedded in the upper side wall of the discharge frame, a magnetic block two is fixedly connected in the magnetic resistance chamber, and the magnetic block one and the magnetic block two repel each other.
[0014] Preferably, the limiting assembly further comprises a plurality of upper limiting plates, the upper limiting plates are located above the insertion groove, and the lower surface of the upper limiting plate is fixedly connected to the upper surface of the polishing disc.
[0015] Preferably, the upper limiting plate comprises an arc-shaped plate, a sliding groove is arranged on the surface of the arc-shaped plate, a limiting plate is slidably connected to the inner wall of the sliding groove, an adjusting screw is threadedly connected to the surface of the limiting plate, and the two ends of the adjusting screw are rotatably connected to the top end of the arc-shaped plate.
[0016] The utility model discloses the beneficial in the following:
[0017] 1. The utility model discloses a cross slide operation drive polishing block gradually removes along the circular surface of lock tongue piece, and polishing motor drives polishing block rotation to the top circular surface of lock tongue piece is polished comprehensively, removes the burr on the circular surface of lock tongue piece, realizes the automatic polishing, reduces the labor and improves polishing efficiency.
[0018] 2. The utility model discloses the magnetic repulsion of magnetic block two and magnetic block one makes the discharge frame move outward to the lock tongue piece is pushed out the slot automatically, makes the lock tongue piece fall into the finished product collection box, realizes the automatic feeding of lock tongue piece. DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduces, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the base structure schematic diagram of the utility model;
[0022] Figure 3 It is the polishing assembly structure schematic diagram of the utility model;
[0023] Figure 4 It is the limiting assembly structure schematic diagram of the utility model;
[0024] Figure 5 It is the upper limiting plate structure schematic diagram of the utility model.
[0025] In the drawing: 1, base;2, driver;3, polishing disc;4, slot;5, lock tongue piece;6, support frame;7, polishing assembly;71, electric push rod;72, cross slide;73, polishing motor;74, polishing block;75, limiting rod;76, chippings intercepting cover;77, recess;8, chippings collection box;9, limiting assembly;91, limiting protrusion;92, discharge frame;93, spring piece;94, connecting column;95, magnetoresistance chamber;96, magnetic block two;97, upper limiting plate;98, magnetic block one;971, arc plate;972, sliding slot;973, width limiting plate;974, adjusting lead screw;10, finished product collection box. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0027] Embodiment one
[0028] Please refer to Figures 1-3 As shown in FIG. 1, a lock tongue polishing device for lock processing, comprising a base 1, the upper surface center of the base 1 is fixedly connected with a driver 2, the driving end of the driver 2 is fixedly connected with a polishing disc 3, the upper surface edge of the polishing disc 3 is provided with a plurality of insertion grooves 4 distributed in a ring shape, the inside of the insertion groove 4 is inserted with a lock tongue piece 5, the upper surface of the base 1 is fixedly connected with a U-shaped support frame 6, the lower part of the support frame 6 is installed with a polishing assembly 7, the polishing assembly 7 comprises an electric push rod 71, the outer wall of the electric push rod 71 is fixedly connected with the upper surface of the support frame 6, the driving end of the electric push rod 71 is fixedly connected with a cross slide 72, the sliding block of the cross slide 72 is fixedly connected with a polishing motor 73, the driving end of the polishing motor 73 is fixedly connected with a polishing block 74, the upper surface of the cross slide 72 is fixedly connected with a plurality of limiting rods 75, the outer wall of the limiting rod 75 penetrates through the support frame 6, the moving track of the cross slide 72 is preset according to the arc surface of the lock tongue piece 5 through the PLC controller, so that the polishing block 74 can move and polish the arc surface of the lock tongue piece 5.
[0029] Specifically, the support frame 6 is used for supporting the polishing assembly 7, the limiting rod 75 is used for longitudinally limiting the cross slide 72, the lock tongue piece 5 is inserted into the inside of the insertion groove 4 in sequence, the polishing disc 3 is driven to rotate by the driver 2, so that the lock tongue piece 5 is rotated to the polishing assembly 7 in sequence for polishing, the height of the polishing block 74 is adjusted through the extension and retraction of the electric push rod 71, when the polishing block 74 is located above, the polishing disc 3 is driven to rotate by the driver 2 to convey the lock tongue piece 5, when the polishing block 74 is located below, the lock tongue piece 5 is polished, when polishing, the polishing block 74 is driven to move along the arc surface of the lock tongue piece 5 gradually through the operation of the cross slide 72, and the polishing block 74 is driven to rotate through the polishing motor 73, so that the top arc surface of the lock tongue piece 5 is polished comprehensively, burrs on the arc surface of the lock tongue piece 5 are removed, automatic polishing is realized, labor is reduced, and polishing efficiency is improved.
[0030] The upper side of the cross slide 72 is fixedly connected with a debris interception cover 76, the lower surface of the debris interception cover 76 is provided with a groove 77, the two sides of the upper surface of the base 1 are respectively fixedly provided with a debris collection box 8 and a finished product collection box 10.
[0031] Specifically, the debris interception cover 76 is used for intercepting the debris generated during polishing, avoiding that the debris is sputtered and not easy to clean, and the intercepted debris falls into the debris collection box 8 below for collection, and the finished product collection box 10 is used for collecting the polished lock tongue piece 5.
[0032] Embodiment two
[0033] Comparative embodiment one, please refer to Figures 4-5 The utility model provides another embodiment, the polishing disc 3, the slot 4 and the support frame 6 are provided with the limiting assembly 9, the limiting assembly 9 includes two limiting protrusions 91 fixedly arranged in the inside of the slot 4.
[0034] The limiting protrusion 91 is used for limiting the depth when the lock tongue piece 5 is inserted into the slot 4.
[0035] The limiting assembly 9 further includes a plurality of T-shaped discharge frames 92, a plurality of spring pieces 93 and a connecting column 94, the outer wall of the discharge frame 92 is in sliding connection with the inner side wall of the slot 4, the top end of the connecting column 94 is fixedly connected with the upper surface of the support frame 6, the bottom end of the connecting column 94 is fixedly connected with a U-shaped magnetic shielding chamber 95, the magnetic shielding chamber 95 is made of permalloy or other magnetic shielding material, the spring piece 93 is arranged in the inside of the slot 4, and the two ends of the spring piece 93 are fixedly connected with the outer wall of the discharge frame 92 and the outer wall of the limiting protrusion 91 respectively, the upper side wall of the discharge frame 92 is embedded with a magnetic block one 98, the inside of the magnetic shielding chamber 95 is fixedly connected with a magnetic block two 96, and the magnetic block one 98 and the magnetic block two 96 repel each other magnetically.
[0036] Specifically, the connecting column 94 is used for connecting with the support frame 6 to fix the position of the magnetic shielding chamber 95, the magnetic shielding chamber 95 is used for shielding the magnetic force of the magnetic block two 96, so that the magnetic force of the magnetic block two 96 only acts on the opening of the U-shaped magnetic shielding chamber 95, when the discharge frame 92 is staggered with the opening of the U-shaped magnetic shielding chamber 95, the discharge frame 92 is kept in the inside of the slot 4 by the elastic force of the spring piece 93, when the lock tongue piece 5 polished is conveyed to the magnetic shielding chamber 95, the discharge frame 92 is moved outward by the magnetic repulsion force between the magnetic block two 96 and the magnetic block one 98, so as to automatically push the lock tongue piece 5 out of the slot 4, so that the lock tongue piece 5 falls into the finished product collection box 10, and the automatic discharging of the lock tongue piece 5 is realized.
[0037] The limiting assembly 9 further includes a plurality of upper limiting plates 97, the upper limiting plate 97 is located above the slot 4, and the lower surface of the upper limiting plate 97 is fixedly connected with the upper surface of the polishing disc 3.
[0038] The upper limiting plate 97 is used for limiting the top of the lock tongue piece 5.
[0039] The upper limit plate 97 comprises an arc-shaped plate 971, a sliding groove 972 is formed in the surface of the arc-shaped plate 971, the inner wall of the sliding groove 972 is slidably connected with a width-limiting plate 973, the surface of the width-limiting plate 973 is threadedly connected with an adjusting lead screw 974, and the two ends of the adjusting lead screw 974 are rotatably connected with the top end of the arc-shaped plate 971.
[0040] Specifically, the bottom end of the width-limiting plate 973 is inserted into the inside of the insertion slot 4, according to the different widths of the lock tongue piece 5, the adjusting lead screw 974 is rotated to drive the width-limiting plate 973 to slide, and the distance between the width-limiting plate 973 and the inner side wall of the insertion slot 4 is adjusted, so that when the lock tongue piece 5 is inserted into the gap, various sizes of the lock tongue piece 5 can be limited, and the stability during polishing is improved.
[0041] Through the personnel in the art, all electrical components in the case are connected with the power supply through wires, and appropriate PLC controllers and drivers 2, polishing motors 73 and cross slides 72 should be selected for electrical connection to meet the control requirements. The specific connection and control sequence should be referred to the working principle of the above-mentioned working principle, and the working order of each electrical component is completed. The detailed connection means is a well-known technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.
[0042] The working principle is that the lock tongue piece 5 is inserted into the inside of the insertion slot 4 in sequence, the polishing disc 3 is rotated by the driver 2, so that the lock tongue piece 5 is rotated to the polishing assembly 7 for polishing in sequence, the height of the polishing block 74 is adjusted by the extension and retraction of the electric push rod 71, the driver 2 drives the polishing disc 3 to rotate to convey the lock tongue piece 5 when the polishing block 74 is located above, the lock tongue piece 5 is polished when the polishing block 74 is located below, during polishing, the polishing block 74 is gradually moved along the circular arc surface of the lock tongue piece 5 by the operation of the cross slide 72, and the polishing block 74 is rotated by the polishing motor 73, so that the top circular arc surface of the lock tongue piece 5 is comprehensively polished, the burrs on the surface of the circular arc surface of the lock tongue piece 5 are removed, the automatic polishing is realized, the labor is reduced, and the polishing efficiency is improved.
[0043] When the polished lock tongue piece 5 is conveyed to the magnetic resistance chamber 95, the magnetic repulsion force between the magnetic block two 96 and the magnetic block one 98 moves the discharging rack 92 outward, so as to automatically push the lock tongue piece 5 out of the insertion slot 4, and the lock tongue piece 5 falls into the finished product collecting box 10, so as to realize the automatic discharging of the lock tongue piece 5.
[0044] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0045] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A lock tongue polishing device for lock processing, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a driver (2), the driving end of the driver (2) is fixedly connected with a polishing disc (3), the upper surface edge of the polishing disc (3) is provided with a plurality of insertion grooves (4) distributed in a ring shape, the inside of the insertion groove (4) is inserted with a lock tongue piece (5), the upper surface of the base (1) is fixedly connected with a U-shaped support frame (6), the lower side of the support frame (6) is provided with a polishing assembly (7), the polishing assembly (7) comprises an electric push rod (71), the outer wall of the electric push rod (71) is fixedly connected with the upper surface of the support frame (6), the driving end of the electric push rod (71) is fixedly connected with a cross slide (72), the sliding block of the cross slide (72) is fixedly connected with a polishing motor (73), the driving end of the polishing motor (73) is fixedly connected with a polishing block (74).
2. The lock stile sanding device of claim 1, wherein: The upper surface of the cross slide (72) is fixedly connected with a plurality of limiting rods (75), the outer wall of the limiting rod (75) penetrates the support frame (6).
3. The lock stile sanding device of claim 1, wherein: The outer wall of the upper side slide of the cross slide (72) is fixedly connected with a debris intercepting cover (76), the lower surface of the debris intercepting cover (76) is provided with a groove (77).
4. The lock stile sanding apparatus of claim 1, wherein: The two sides of the upper surface of the base (1) are respectively fixedly provided with a debris collecting box (8) and a finished product collecting box (10).
5. The lock stile sanding device of claim 1, wherein: The polishing disc (3), the insertion groove (4) and the support frame (6) are provided with a limiting assembly (9), the limiting assembly (9) comprises two limiting protrusions (91) fixedly arranged in the insertion groove (4).
6. The lock stile sanding apparatus of claim 5, wherein: The limiting assembly (9) further comprises a plurality of T-shaped discharge frames (92), a plurality of spring pieces (93) and a connecting column (94), the outer wall of the discharge frame (92) is slidably connected with the inner side wall of the insertion groove (4), the top end of the connecting column (94) is fixedly connected with the upper surface of the support frame (6), the bottom end of the connecting column (94) is fixedly connected with a U-shaped magnetic resistance chamber (95).
7. The lock tongue grinding device for lock machining according to claim 6, characterized in that: The spring piece (93) is arranged in the insertion groove (4), and the two ends of the spring piece (93) are respectively fixedly connected with the outer wall of the discharge frame (92) and the outer wall of the limiting protrusion (91), the upper side wall of the discharge frame (92) is embedded with a magnetic block one (98), the inside of the magnetic resistance chamber (95) is fixedly connected with a magnetic block two (96), the magnetic block one (98) and the magnetic block two (96) repel each other.
8. The lock stile sanding device of claim 5, wherein: The limiting assembly (9) further comprises a plurality of upper limiting plates (97), the upper limiting plate (97) is located above the insertion groove (4), and the lower surface of the upper limiting plate (97) is fixedly connected with the upper surface of the polishing disc (3).
9. The lock tongue grinding device for lock machining according to claim 8, characterized in that: The upper limiting plate (97) comprises an arc-shaped plate (971), the surface of the arc-shaped plate (971) is provided with a sliding groove (972), the inner wall of the sliding groove (972) is slidably connected with a limiting width plate (973), the surface of the limiting width plate (973) is threadedly connected with an adjusting lead screw (974), and the two ends of the adjusting lead screw (974) are rotatably connected with the top end of the arc-shaped plate (971).
Citation Information
Patent Citations
Special grinding machine for powder metallurgy spring bolt
CN212858934U