Positioning clamp for machining of household appliance formwork

By designing a positioning fixture with a lead screw and gear meshing driven by a motor, the problem of unstable clamping in the processing of home appliance mold frames was solved, achieving stable clamping and precise positioning, and improving processing quality.

CN223700564UActive Publication Date: 2025-12-23KUNSHAN GUOFANG MOULD CO LTD
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Patent Information

Application Number
CN202423295743.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-23
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

During the processing of existing home appliance mold frames, the clamping and fixing are unstable, which easily leads to displacement and loosening, affecting the processing effect.

Method used

A positioning fixture comprising a base, a slide, a movable plate, a gear shaft, a gear, and a lead screw is designed. The lead screw and gear are driven by a motor to mesh, thereby achieving precise movement and limiting of the movable plate and preventing clamping deviation and loosening.

Benefits of technology

It achieves stable clamping of the appliance mold frame, preventing displacement and loosening, and improving processing accuracy and effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning fixture for processing a household appliance mould frame, which comprises a base and chutes, the two side edges of the top of the base are respectively provided with a chute, a first movable plate on one side of a third gear close to the chute is respectively provided with a first tooth mark strip, and a second movable plate on the other side of the third gear is respectively provided with a second tooth mark strip parallel to the first tooth mark strip. Supporting frames are arranged on the outer sides of the first movable plate and the second movable plate on the top of the base, first lead screws with two-way threads are arranged between the inner walls of the supporting frames through bearing seats, first threaded blocks are arranged at the two ends of each first lead screw, and the first threaded blocks are meshed with the first threaded blocks; limiting rods are arranged at the top ends of the sides, away from the middles, of the first threaded blocks. The clamping blocks are driven by the first moving plate and the second moving plate to move towards the middle, the clamping blocks can be conveniently positioned and clamped, the outer sides of the clamping blocks can be limited after the clamping blocks are clamped, and the clamping blocks can be prevented from loosening.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household electrical appliances mould frame processing, specifically to a positioning fixture of household electrical appliances mould frame processing. BACKGROUND

[0002] The household electrical appliances mould frame is the supporting part of the mould, is the external structure and semi-finished product of the mould, can be widely used in the fields of automobile, aerospace, daily necessities, electric appliances and communication, medical products and equipment, and needs to use the positioning fixture to clamp and fix the processing object when the household electrical appliances mould frame is processed, so as to facilitate subsequent processing.

[0003] In the prior art, the household electrical appliances mould frame is usually clamped and fixed by manual position adjustment, which may cause deviation during clamping, thereby affecting the processing effect, and the clamping block may be loose during processing, thereby affecting the clamping effect. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a positioning fixture of household electrical appliances mould frame processing to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a positioning fixture of household electrical appliances mould frame processing, including base and sliding slot, both sides edges of base top are equipped with sliding slot, and the sliding slot between one end of base top is equipped with moving plate one, and the sliding slot between the other end of base top is equipped with moving plate two, the middle position of base top inside the sliding slot is equipped with gear shaft through bearing seat, and the top end of gear shaft is equipped with gear three, the moving plate one on the side of gear three close to sliding slot one is equipped with tooth mark strip one, and the moving plate two on the other side of gear three is equipped with tooth mark strip two which is parallel with tooth mark strip one, and the inside tooth mark of tooth mark strip two and tooth mark strip one is engaged with corresponding gear three, the outside of moving plate one and moving plate two of base top is equipped with support frame, and the inside wall of support frame is equipped with two-way screw thread silk rod one through bearing seat, both ends of silk rod one are equipped with screw block one, and the top end of screw block one far away from the middle one side is equipped with limiting rod, when the tooth mark strip two inside moving plate two moves, gear three engaged with it rotates, gear three drives the other side tooth mark strip one engaged with it to move, tooth mark strip one drives moving plate one to move to the middle, moving plate one and moving plate two drive clamping block to move to the middle to position and clamp the processing object, which prevents deviation and affects the processing effect, and after clamping, the screw block at both ends of silk rod one drives limiting rod to move and insert into corresponding slot two, which prevents moving plate one and moving plate two from loosening and affecting the clamping effect.

[0006] Preferably, the middle position of the top of the base is provided with a moving groove, and the middle position of the base near the two ends of the moving plate is provided with a motor two, and the output end of the motor two extends into the base through a bearing and a shaft coupling and is provided with a lead screw two.

[0007] Preferably, the other end of the lead screw two is connected with the inner wall of the other end of the base through a bearing seat, and a threaded block two is connected with the lead screw two through threads, and the top of the threaded block two is connected with the bottom of the moving plate two through a moving groove, so that the moving plate two connected with the threaded block two is moved by the lead screw two, and it is convenient to drive the gear three engaged with it to rotate through the tooth mark strip two, and it is convenient to clamp subsequently.

[0008] Preferably, the two ends of the support frame corresponding to the limiting rod are provided with a slot, and the corresponding sliding groove of the limiting rod is uniformly provided with a slot two, and the size of the slot two is consistent with the slot, so that the limiting rod is moved out of the slot and inserted into the corresponding slot two, which is convenient for limiting.

[0009] Preferably, the moving plate one and the moving plate two are provided with a slot one corresponding to the position of the tooth mark strip two and the tooth mark strip one, and the middle position of the inner side of the moving plate one and the moving plate two is connected with a clamping block through a fixed bolt, so that the staff can replace different clamping blocks according to the shape of the processing object, and install them in the inner side of the moving plate one and the moving plate two through the fixed bolt.

[0010] Preferably, the middle position of the two ends of the moving plate one and the moving plate two is provided with a sliding block, and the moving plate one and the moving plate two are connected with the sliding groove through the sliding block, so that the moving plate one and the moving plate two drive the sliding blocks at both ends to move in the sliding groove when moving, which can make the movement more stable and smooth.

[0011] Preferably, the middle position of the lead screw one is provided with an optical axis, and the optical axis of the lead screw one is provided with a gear one.

[0012] Preferably, the top of the support frame is provided with a motor one corresponding to the position of the gear one, and the output end of the motor one extends into the support frame through a bearing and is provided with a gear two, and the gear two and the gear one are engaged with each other.

[0013] Compared with the prior art, the positioning clamp for household appliance mold frame machining has the beneficial effects that: the threaded block two on the screw rod two is driven to move by the motor two, the moving plate two is driven to move to the middle by the threaded block two, the moving plate two drives the two side tooth mark strips two to move together, the tooth mark strip two drives the gear three meshing therewith to rotate when moving, the gear three drives the other side tooth mark strip one meshing therewith to move together, the tooth mark strip one drives the moving plate one to also move to the middle, the moving plate one and the moving plate two drive the clamping block to move to the middle to position and clamp the machining object, the deviation of the machining object is prevented, the machining effect is affected, and after clamping, the gear two on the shaft is driven to rotate by the motor one, the gear one meshing therewith is driven to rotate by the gear two, the threaded block one at the two ends of the screw rod one is driven to move to the outside, the threaded block one drives the limiting rod to move and insert into the corresponding slot two, the loosening of the moving plate one and the moving plate two is prevented, and the clamping effect is affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a top view structure schematic diagram of the utility model;

[0015] Figure 2 It is a top view structure schematic diagram of the utility model;

[0016] Figure 3 It is a side view structure schematic diagram of the utility model;

[0017] Figure 4 It is a top view structure schematic diagram of the utility model; Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0018] Figure 5 It is an enlarged structure schematic diagram of B in the utility model; Figure 2 It is an enlarged structure schematic diagram of B in the utility model;

[0019] In the drawing: 1, base; 2, sliding groove; 3, moving plate one; 4, support frame; 5, motor one; 6, motor two; 7, moving plate two; 8, clamping block; 9, tooth mark strip one; 10, tooth mark strip two; 11, slot one; 12, sliding block; 13, screw rod one; 14, gear one; 15, threaded block one; 16, threaded block two; 17, screw rod two; 18, gear two; 19, gear three; 20, gear shaft; 21, slot two; 22, limiting rod. DETAILED DESCRIPTION

[0020] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5The utility model provides a kind of positioning fixture of household appliance mould frame processing, including base 1 and sliding slot 2, both sides edge of base 1 top is equipped with sliding slot 2, and the sliding slot 2 between base 1 top one end is equipped with moving plate one 3, and the sliding slot 2 between base 1 top other end is equipped with moving plate two 7, the middle position of both ends of moving plate one 3 and moving plate two 7 is equipped with sliding block 12, and moving plate one 3 and moving plate two 7 are slidably connected by sliding block 12 with sliding slot 2;

[0022] When using, moving plate one 3 and moving plate two 7 can drive the sliding block 12 at both ends to move in the sliding slot 2 when moving, so that the movement is more stable;

[0023] The middle position of the top of the inner side of the sliding slot 2 of the base 1 is provided with a gear shaft 20 through a bearing seat, and the top end of the gear shaft 20 is provided with a gear three 19, the moving plate one 3 on the side of the gear three 19 close to the sliding slot 2 is provided with a tooth mark strip one 9, and the moving plate two 7 on the other side of the gear three 19 is provided with a tooth mark strip two 10 parallel to the tooth mark strip one 9, and the tooth marks inside the tooth mark strip two 10 and the tooth mark strip one 9 are engaged with the corresponding gear three 19, the middle position of the top of the base 1 is provided with a moving groove, and the middle position of the end of the base 1 close to the moving plate two 7 is provided with a motor two 6, and the output end of the motor two 6 extends to the base 1 through a bearing and a shaft coupling to provide a lead screw two 17, the other end of the lead screw two 17 is connected to the inner wall of the other end of the base 1 through a bearing seat, and a threaded block two 16 is connected to the lead screw two 17 through a thread, and the top of the threaded block two 16 is connected to the bottom of the moving plate two 7 through the moving groove;

[0024] When using, the processing object can be placed between the clamping blocks 8, and then the lead screw two 17 is driven to rotate by the motor two 6, the threaded block two 16 is moved by the lead screw two 17, the moving plate two 7 is moved by the threaded block two 16, the tooth mark strip two 10 on both sides is moved together by the moving plate two 7, the gear three 19 engaged with the tooth mark strip two 10 is rotated when the tooth mark strip two 10 moves, the tooth mark strip one 9 engaged with the gear three 19 on the other side is moved together by the gear three 19, the moving plate one 3 is also moved to the middle by the tooth mark strip one 9, the tooth mark strip one 9 and the tooth mark strip two 10 are inserted into the slot one 11 when moving, which is convenient for positioning and clamping, and can prevent deviation and affect the processing effect;

[0025] The outer side of the moving plate one 3 and the moving plate two 7 of the base 1 top is equipped with the support frame 4, and the support frame 4 inner wall is equipped with the two-way threaded lead screw one 13 through the bearing seat, the both ends of the lead screw one 13 are equipped with the threaded block one 15, and the side top away from the middle of the threaded block one 15 is equipped with the limiting rod 22, the both ends of the support frame 4 corresponding to the limiting rod 22 are equipped with the slot, and the corresponding sliding groove 2 of the limiting rod 22 is uniformly equipped with the slot two 21, and the size of the slot two 21 is consistent with the slot, the middle position of the lead screw one 13 is equipped as the optical axis, and the optical axis of the lead screw one 13 is equipped with the gear one 14, the top of the support frame 4 corresponding to the position of the gear one 14 is equipped with the motor one 5, and the output end of the motor one 5 is equipped with the gear two 18 through the bearing extending to the support frame 4, and the gear two 18 and the gear one 14 are engaged with each other;

[0026] In use, the motor one 5 can be started to drive the gear two 18 to rotate, the gear two 18 drives the gear one 14 engaged with it to rotate, the gear one 14 drives the lead screw one 13 to rotate, the lead screw one 13 can drive the threaded block one 15 to move outward through the opposite thread, the threaded block one 15 drives the limiting rod 22 to move together, the limiting rod 22 can move out of the support frame 4 through the slot and move into the corresponding slot two 21, the moving plate one 3 and the moving plate two 7 can be limited, the clamping block 8 inside can prevent loosening when clamping, and the clamping effect can be affected;

[0027] The corresponding slot one 11 of the moving plate one 3 and the moving plate two 7 is equipped with the slot one 11, and the middle position of the inner side of the moving plate one 3 and the moving plate two 7 is connected with the clamping block 8 through the fixed bolt;

[0028] In use, the clamping block 8 can be installed in the middle position of the inner side of the moving plate one 3 and the moving plate two 7 through the fixed bolt, and can be disassembled and replaced, which is convenient for clamping different shapes of processing objects.

[0029] In use, the clamping block 8 is installed in the middle position of the inner side of the moving plate one 3 and the moving plate two 7 by the staff through the fixing bolt, can be disassembled and replaced, convenient for clamping different shapes of processing objects, then the processing object is placed between the clamping block 8, and then the motor two 6 is started to drive the screw rod two 17 to rotate, the screw rod two 17 drives the threaded block two 16 to move, the threaded block two 16 drives the moving plate two 7 to move to the middle, the moving plate two 7 can move, the tooth mark strip two 10 on both sides is driven to move together, the tooth mark strip two 10 drives the gear three 19 meshing with it to rotate, the gear three 19 drives the tooth mark strip one 9 meshing with it to move together, the tooth mark strip one 9 drives the moving plate one 3 to also move to the middle, when the moving plate one 3 and the moving plate two 7 move, the slider 12 at both ends can move in the sliding groove 2, which can make the movement more stable, then the tooth mark strip one 9 and the tooth mark strip two 10 can be moved and inserted into the slot one 11, convenient for positioning and clamping, can prevent deviation and affect the processing effect, when the clamping is preliminarily good, the motor one 5 can be started to drive the gear two 18 to rotate, the gear two 18 drives the gear one 14 meshing with it to rotate, the gear one 14 drives the screw rod one 13 to rotate, the screw rod one 13 can drive the threaded block one 15 to move outward through the opposite thread, the threaded block one 15 drives the limiting rod 22 to move together, the limiting rod 22 can move out of the support frame 4 through the slot and move into the corresponding slot two 21, the moving plate one 3 and the moving plate two 7 can be limited, preventing the clamping block 8 on the inner side from loosening when clamping, affecting the clamping effect.

[0030] Obviously, the above described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

Claims

1. A positioning fixture for processing household appliance mold frames, characterized in that: Includes a base (1) and a slide (2). The base (1) has slides (2) on both sides of its top. A movable plate (3) is provided between the slides (2) at one end of the top of the base (1), and a movable plate (7) is provided between the slides (2) at the other end of the top of the base (1). A gear shaft (20) is provided at the middle position of the top of the base (1) inside the slide (2) via a bearing seat. A gear (3) is provided at the top of the gear shaft (20). A toothed strip (9) is provided on the movable plate (3) on the side of the gear (3) near the slide (2). 9) On the other side, the second movable plate (7) is provided with a toothed strip (10) parallel to the toothed strip (9), and the toothed strip (10) and the toothed strip (9) are meshed with the corresponding gear (19). The outer side of the top movable plate (3) and the second movable plate (7) of the base (1) are provided with a support frame (4), and the inner wall of the support frame (4) is provided with a screw rod (13) with a two-way thread through the bearing seat. The two ends of the screw rod (13) are provided with a threaded block (15), and the top of the threaded block (15) away from the middle is provided with a limiting rod (22).

2. The positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: The base (1) has a moving groove at the middle position of the top, and a motor (6) is provided at the middle position of the base (1) near the moving plate (7). The output end of the motor (6) extends into the base (1) through a bearing and a coupling and is provided with a lead screw (17).

3. The positioning fixture for processing household appliance mold frames according to claim 2, characterized in that: The other end of the lead screw (17) is connected to the inner wall of the other end of the base (1) through a bearing seat, and the lead screw (17) is connected to a threaded block (16) by a thread, and the top of the threaded block (16) is connected to the bottom of the moving plate (7) through a moving groove.

4. The positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: The support frame (4) corresponding to the limiting rod (22) has slots at both ends, and the slide groove (2) corresponding to the limiting rod (22) has slots (21) evenly distributed, and the size of the slots (21) is consistent with the slots.

5. A positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: Slot 1 (11) is provided in both the movable plate 1 (3) and the movable plate 2 (7) at the positions corresponding to the toothed strip 2 (10) and toothed strip 1 (9), and clamping blocks (8) are connected to the middle positions of the inner sides of the movable plate 1 (3) and the movable plate 2 (7) by fixing bolts.

6. A positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: Both ends of the first movable plate (3) and the second movable plate (7) are provided with sliders (12), and both the first movable plate (3) and the second movable plate (7) are slidably connected to the slide groove (2) through the sliders (12).

7. A positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: The middle position of the lead screw (13) is set as the optical axis, and the optical axis of the lead screw (13) is provided with a gear (14).

8. A positioning fixture for processing household appliance mold frames according to claim 1, characterized in that: The support frame (4) is equipped with a motor (5) at the position corresponding to the gear (14) on the top. The output end of the motor (5) extends through the bearing to the support frame (4) where a gear (18) is provided. The gear (18) meshes with the gear (14).