Positioning tool for polishing end face of automobile die

Abstract

The utility model belongs to the field of positioning tools, and particularly relates to a positioning tool for polishing the end face of an automobile die, which comprises a workbench, the outer side of the workbench is fixedly connected with a plurality of mounting seats, mounting holes are formed in the mounting seats, the upper end of the workbench is slidably connected with two sliding seats which are symmetrically distributed, and the upper end of the workbench is provided with a positioning hole. The outer side of the sliding base makes contact with a clamping block, the clamping block is slidably connected with the workbench, and the inner side of the clamping block is fixedly connected with a connecting block. By designing the motor, the motor drives the positive and negative screw rod to rotate, so that the threaded movement of the sliding block can be realized, the horizontal movement of the sliding seat and the clamping block can be further realized, a workpiece to be polished can be positioned through the clamping block, a detachable structure is adopted between the clamping block and the sliding seat, the clamping block is convenient to disassemble and replace, and the working efficiency is improved. And clamping blocks in corresponding shapes can be matched for workpieces in different shapes to position the workpieces, and the positioning stability of the workpieces in different shapes can be improved.

Description

Technical Field

[0001] This utility model relates to the field of positioning tooling technology, specifically a positioning tooling for grinding the end face of automotive molds. Background Technology

[0002] Positioning fixtures for grinding the end faces of automotive molds are used in the grinding operation of automotive molds. They can accurately fix the position of the mold, prevent the mold from shifting during grinding, ensure that the grinding trajectory and accuracy meet the requirements, and help improve the consistency and processing quality of mold end face grinding.

[0003] Utility model patent CN215510406U discloses an automotive mold grinding device, including a connecting platform and a first motor. A support column is fixedly connected to the bottom of the connecting platform, a connecting frame is fixedly connected to the upper surface of the connecting platform, and a support plate is fixedly connected to the top of the connecting frame. A limiting rod is connected through the support plate, a connecting plate is fixedly connected to one end of the limiting rod, and a limiting plate is fixedly connected to the other end of the limiting rod. A pad is fixedly connected to the side of the limiting plate. A side plate is provided behind the connecting frame, a sliding groove is fixedly connected to the side of the side plate, and a connecting block is slidably connected to the side of the sliding groove. A telescopic column is fixedly connected to the other end of the connecting block, and the other end of the telescopic column is engaged with a first housing. This automotive mold grinding device, with its connecting platform, limiting plate, connecting plate, pad, telescopic rod, first motor, connecting rod, and limiting plate, facilitates the grinding of automotive molds.

[0004] In the aforementioned prior art, during the use of the grinding device, due to the varying shapes of automotive molds, the device is inconvenient for positioning and grinding molds of different shapes, lacking adaptability and affecting the grinding effect. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this invention is to provide a positioning fixture for grinding the end face of automotive molds, which solves the problem of inconvenience in positioning and grinding molds of different shapes.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a positioning fixture for grinding the end face of an automotive mold, comprising a worktable, a plurality of mounting seats fixedly connected to the outer side of the worktable, mounting holes being provided inside the mounting seats, two symmetrically distributed slide blocks slidably connected to the upper end of the worktable, a clamping block contacting the outer side of the slide block, the clamping block being slidably connected to the worktable, a connecting block fixedly connected to the inner side of the clamping block, the connecting block being slidably connected to the slide block, a motor fixedly mounted at the lower end of the worktable, a positive and negative screw fixedly connected to the left end of the motor output, two symmetrically distributed sliders being threadedly connected to the outer side of the positive and negative screws, the sliders being fixedly connected to the clamping block, the sliders being slidably connected to the worktable, a limit mechanism being provided on the positive and negative screws, and a connecting mechanism being provided on the slide blocks.

[0007] Preferably, the limiting mechanism includes a slot, with the slot inside the positive and negative screw. A retaining ball is movably sleeved inside the slot, and a fixed seat is movably sleeved on the outside of the retaining ball. The fixed seat is rotatably connected to the positive and negative screw and fixedly connected to the worktable. A support block is movably sleeved on the outside of the retaining ball and slidably connected to the fixed seat. A spring block is fixedly connected to the bottom of the support block and fixedly connected to the fixed seat. A fixed rod is slidably sleeved inside the support block and fixedly connected to the fixed seat. A first spring is provided on the outside of the fixed rod. By designing the limiting mechanism, the stationary positive and negative screw can be limited.

[0008] Preferably, there are multiple slots, which are arranged in a ring and evenly distributed inside the positive and negative screws. By designing multiple slots, the ball can roll into the slots at different positions.

[0009] Preferably, one end of the first spring is fixedly connected to the support block, and the other end of the first spring is fixedly connected to the fixed base. By designing the first spring, the force of the first spring can be applied to the support block.

[0010] Preferably, the connecting mechanism includes a push block, which is slidably fitted inside the slide block. A fixing block is fixedly connected to the outside of the push block, and the fixing block is slidably connected to the slide block. A magnetic rod is fixedly connected to one end of the fixing block, and the magnetic rod is slidably connected to the slide block. A second spring is provided on the outside of the magnetic rod. A magnet is fixedly connected inside the slide block, and an insertion rod is fixedly connected to the other end of the fixing block. The insertion rod is slidably connected to both the slide block and the connecting block. This connecting mechanism facilitates the disassembly of the clamping block.

[0011] Preferably, one end of the second spring is fixedly connected to the fixed block, and the other end of the second spring is fixedly connected to the slide. By designing the second spring, the force of the second spring can be applied to the fixed block.

[0012] Preferably, the connecting block has a slot inside, and a rod is slidably connected inside the slot. The slot design allows the rod to slide within it.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model utilizes the design of a motor to drive the forward and reverse screws to achieve the threaded movement of the slider, thereby enabling the horizontal movement of the slide block and clamping block. The clamping block can then be used to position the workpiece to be ground. Furthermore, the clamping block and the slide block are designed to be detachable, allowing for easy disassembly and replacement of the clamping block. The design allows for the matching of clamping blocks of different shapes to position the workpiece, thus improving the positioning stability of workpieces of different shapes.

[0015] 2. This utility model utilizes the design of a fixed base to support the rotating forward and reverse screws. Through the insertion and engagement of the ball and the slot, the forward and reverse screws in a stationary state can be limited and locked, the position of the slider can be limited, and the clamping block in a stationary state can be locked. This avoids the problem of the forward and reverse screws rotating due to shaking, causing the clamping block position to shift and affecting the stability of workpiece positioning. Attached Figure Description

[0016] Figure 1 The overall three-dimensional structure of this utility model Figure 1 ;

[0017] Figure 2 The overall three-dimensional structure of this utility model Figure 2 ;

[0018] Figure 3 This utility model Figure 2 A front sectional view of the mounting base;

[0019] Figure 4 This utility model Figure 1 Top sectional view of the slide.

[0020] In the diagram: 1. Workbench; 2. Mounting base; 3. Mounting hole; 4. Slide; 5. Clamping block; 6. Connecting block; 7. Motor; 8. Limiting mechanism; 9. Connecting mechanism; 10. Positive and negative screws; 11. Slider; 81. Slot; 82. Ball clamp; 83. Fixed base; 84. Support block; 85. Spring block; 86. Fixed rod; 87. First spring; 91. Push block; 92. Fixed block; 93. Magnetic rod; 94. Second spring; 95. Magnet; 96. Insert rod; 97. Slot. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1 , Figure 2 A positioning fixture for grinding the end face of an automotive mold includes a worktable 1. Multiple mounting seats 2 are fixedly connected to the outer side of the worktable 1. Mounting holes 3 are provided inside the mounting seats 2. Two symmetrically distributed slide blocks 4 are slidably connected to the upper end of the worktable 1. Clamping blocks 5 contact the outer side of the slide blocks 4 and are slidably connected to the worktable 1. A connecting block 6 is fixedly connected to the inner side of the clamping blocks 5 and is slidably connected to the slide blocks 4. A motor 7 is fixedly installed at the lower end of the worktable 1. A positive and negative screw 10 is fixedly connected to the left end of the output end of the motor 7. Two symmetrically distributed sliders 11 are threadedly connected to the outer side of the positive and negative screw 10. The sliders 11 are fixedly connected to the clamping blocks 5 and slidably connected to the worktable 1. A limit mechanism 8 is provided on the positive and negative screw 10, and a connecting mechanism 9 is provided on the slide blocks 4.

[0023] Please see Figure 1 , Figure 2 , Figure 3 The limiting mechanism 8 includes a slot 81. A slot 81 is formed inside the positive and negative screw 10. A ball 82 is movably fitted inside the slot 81. There are multiple slots 81, which are arranged in a ring and evenly distributed inside the positive and negative screw 10. By designing multiple slots 81, the ball 82 can roll into different positions within the slots 81. A fixed seat 83 is movably fitted outside the ball 82. The fixed seat 83 is rotatably connected to the positive and negative screw 10 and fixedly connected to the worktable 1. A support block 84 is movably fitted outside the ball 82. The support block 84 is fixedly connected to the worktable 1. The base 83 is slidably connected, and the bottom of the support block 84 is fixedly connected to the spring block 85. The spring block 85 is fixedly connected to the fixed base 83. The support block 84 is slidably sleeved with a fixed rod 86. The fixed rod 86 is fixedly connected to the fixed base 83. A first spring 87 is provided on the outside of the fixed rod 86. One end of the first spring 87 is fixedly connected to the support block 84, and the other end of the first spring 87 is fixedly connected to the fixed base 83. By designing the first spring 87, the force of the first spring 87 can be applied to the support block 84. By designing the limiting mechanism 8, the stationary forward and reverse screw 10 can be limited.

[0024] Please see Figure 1 , Figure 4The connecting mechanism 9 includes a push block 91, which is slidably sleeved inside the slide block 4. A fixing block 92 is fixedly connected to the outside of the push block 91. The fixing block 92 is slidably connected to the slide block 4. A magnetic suction rod 93 is fixedly connected to one end of the fixing block 92. The magnetic suction rod 93 is slidably connected to the slide block 4. A second spring 94 is provided on the outside of the magnetic suction rod 93. One end of the second spring 94 is fixedly connected to the fixing block 92, and the other end of the second spring 94 is fixedly connected to the slide block 4. By designing the second spring 94, the force of the second spring 94 can act on the fixing block 92. A magnet 95 is fixedly connected inside the slide block 4. An insertion rod 96 is fixedly connected to the other end of the fixing block 92. The insertion rod 96 is slidably connected to the slide block 4 and the connecting block 6 respectively. A slot 97 is opened inside the connecting block 6. The insertion rod 96 is slidably connected inside the slot 97. By designing the slot 97, the insertion rod 96 can slide inside the slot 97. By designing the connecting mechanism 9, it is convenient to disassemble the clamping block 5.

[0025] The specific implementation process of this utility model is as follows: When in use, first place the workpiece on the workbench 1, then start the motor 7. The output end of the motor 7 drives the positive and negative screws 10 to rotate, so that the slider 11 makes a threaded movement. The two sliders 11 will move in opposite directions, and the sliders 11 will drive the slide block 4 to move horizontally. The slide block 4 drives the clamping block 5 to move, so that the clamping block 5 contacts the workpiece. At this time, the clamping block 5 can be clamped and fixed.

[0026] When the screw 10 rotates, it rotates along the fixed base 83. The arc surface of the groove 81 inside the screw 10 presses and pushes the ball 82. The ball 82 rolls downward under pressure, which drives the support block 84 to move downward. The support block 84 presses against the spring block 85. At the same time, the support block 84 slides along the fixed rod 86 and presses against the first spring 87, which can separate the ball 82 from the groove 81. After the clamping block 5 has positioned the workpiece, the screw 10 stops rotating. At this time, under the elastic action of the spring block 85 and the first spring 87, an upward counter-force will be given to the support block 84, which can push the locking ball 82 into the locking groove 81 in another position. Through the insertion and cooperation of the locking ball 82 and the locking groove 81, the positive and negative screws 10 in the stationary state can be limited and locked, the position of the slider 11 can be limited, and the clamping block 5 in the stationary state can be locked. This can prevent the shaking from causing the positive and negative screws 10 to rotate and causing the position of the clamping block 5 to shift, which affects the stability of the workpiece positioning.

[0027] When it is necessary to disassemble the clamping block 5, push the push block 91 horizontally. The push block 91 drives the fixed block 92 to move. The fixed block 92 simultaneously drives the magnetic suction rod 93 and the insertion rod 96 to move. The fixed block 92 will squeeze the second spring 94. When the magnetic suction rod 93 is attracted to the magnet 95, the insertion rod 96 will slide out from the slot 97. Then, move the clamping block 5 horizontally to remove the connecting block 6 from the slide block 4 to disassemble the clamping block 5. The clamping block 5 is easy to replace. The clamping block 5 of the corresponding shape can be matched for different shaped workpieces to position the workpiece, which can improve the positioning stability of workpieces of different shapes.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for grinding the end face of automotive molds, comprising a worktable (1), characterized in that: Multiple mounting seats (2) are fixedly connected to the outer side of the workbench (1). The mounting seats (2) have mounting holes (3) inside. Two symmetrically distributed slide blocks (4) are slidably connected to the upper end of the workbench (1). A clamping block (5) contacts the outer side of the slide block (4). The clamping block (5) is slidably connected to the workbench (1). A connecting block (6) is fixedly connected to the inner side of the clamping block (5). The connecting block (6) is slidably connected to the slide block (4). A motor (7) is fixedly installed at the lower end of the workbench (1). A positive and negative screw (10) is fixedly connected to the left end of the output end of the motor (7). Two symmetrically distributed sliders (11) are threadedly connected to the outer side of the positive and negative screw (10). The sliders (11) are fixedly connected to the clamping block (5). The sliders (11) are slidably connected to the workbench (1). A limit mechanism (8) is provided on the positive and negative screw (10). A connecting mechanism (9) is provided on the slide block (4).

2. The positioning fixture for grinding the end face of an automotive mold according to claim 1, characterized in that: The limiting mechanism (8) includes a slot (81). The slot (81) is provided inside the positive and negative screw (10). A ball (82) is movably sleeved inside the slot (81). A fixed seat (83) is movably sleeved outside the ball (82). The fixed seat (83) is rotatably connected to the positive and negative screw (10). The fixed seat (83) is fixedly connected to the worktable (1). A support block (84) is movably sleeved outside the ball (82). The support block (84) is slidably connected to the fixed seat (83). A spring block (85) is fixedly connected to the bottom of the support block (84). The spring block (85) is fixedly connected to the fixed seat (83). A fixed rod (86) is slidably sleeved inside the support block (84). The fixed rod (86) is fixedly connected to the fixed seat (83). A first spring (87) is provided on the outside of the fixed rod (86).

3. The positioning fixture for grinding the end face of an automotive mold according to claim 2, characterized in that: The number of slots (81) is multiple, and the multiple slots (81) are evenly distributed in a ring shape inside the positive and negative screws (10).

4. A positioning fixture for grinding the end face of an automotive mold according to claim 2, characterized in that: One end of the first spring (87) is fixedly connected to the support block (84), and the other end of the first spring (87) is fixedly connected to the fixed seat (83).

5. A positioning fixture for grinding the end face of an automotive mold according to claim 1, characterized in that: The connecting mechanism (9) includes a push block (91), the push block (91) is slidably sleeved inside the slide (4), a fixing block (92) is fixedly connected to the outside of the push block (91), the fixing block (92) is slidably connected to the slide (4), a magnetic suction rod (93) is fixedly connected to one end of the fixing block (92), the magnetic suction rod (93) is slidably connected to the slide (4), a second spring (94) is provided on the outside of the magnetic suction rod (93), a magnet (95) is fixedly connected inside the slide (4), and an insertion rod (96) is fixedly connected to the other end of the fixing block (92), the insertion rod (96) is slidably connected to the slide (4) and the connecting block (6) respectively.

6. A positioning fixture for grinding the end face of an automotive mold according to claim 5, characterized in that: One end of the second spring (94) is fixedly connected to the fixed block (92), and the other end of the second spring (94) is fixedly connected to the slide (4).

7. A positioning fixture for grinding the end face of an automotive mold according to claim 1, characterized in that: The connecting block (6) has a slot (97) inside, and a plug (96) is slidably connected inside the slot (97).

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