Spring end face grinding positioning device

Abstract

The utility model relates to the technical field of spring processing, and discloses a spring end face grinding and positioning device, which solves the problem that a spring is inconvenient to stably clamp at present, and comprises a base, a spring to be ground is placed on the top of the base, a clamping mechanism is arranged on the inner side of the spring to be ground, and a limiting mechanism is arranged on the outer side of the spring to be ground. The clamping mechanism comprises a U-shaped frame fixed to the top of the base, the U-shaped frame is located on the inner side of the spring to be ground, a guide column is fixedly connected to the inner side of the U-shaped frame, the outer side of the guide column is symmetrically and movably sleeved with two guide blocks, two mounting frames are symmetrically arranged on the outer side of the U-shaped frame, and clamping rollers are arranged on the inner sides of the two mounting frames. Two connecting columns are symmetrically and fixedly connected between the mounting frame and the guide block; according to the clamping device, the two clamping rollers can be far away from each other and abut against the inner wall of the to-be-ground spring, and therefore the inner side of the to-be-ground spring can be stably clamped conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spring processing technical field, concretely is a kind of spring end face grinding positioning device. BACKGROUND

[0002] At present, the processing procedure of spring is generally as follows: first, the metal steel wire used for preparing spring is guided out through guiding device, then is wound into spring structure on winding device, is cut into the spring crude product of set specification by cutting device, finally, the two ends of spring crude product are ground flat by grinding device to obtain spring finished product, and the grinding device can not only remove burr of spring end face, but also polish spring end face to be flush according to design requirement.

[0003] In prior art, spring end face is ground, and it needs to be clamped and positioned, and due to the special shape of spring, it is difficult to stably clamp spring by only two clamping plates. UTILITY MODEL CONTENTS

[0004] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of spring end face grinding positioning device, effectively solve the problem of current inconvenience to stably clamp spring.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of spring end face grinding positioning device, including base, the top of the base is placed with the spring to be ground, the inner side of the spring to be ground is equipped with clamping mechanism, the outer side of the spring to be ground is equipped with limiting mechanism;

[0006] Clamping mechanism includes the U-shaped frame fixed on the top of base, U-shaped frame is located in the inner side of the spring to be ground, the inner side of U-shaped frame is fixedly connected with guide column, the outer side of guide column is symmetrically movably sleeved with two guide blocks, the outer side of U-shaped frame is symmetrically provided with two mounting brackets, the inner side of two mounting brackets is equipped with clamping roller, two connecting columns are fixedly connected between mounting bracket and guide block, connecting column passes through U-shaped frame and is movably connected with U-shaped frame, two clamping rollers are all in abutment with the inner side of the spring to be ground.

[0007] Preferably, the inner top wall of the U-shaped frame is fixedly installed with a gas cylinder, the bottom end of the gas cylinder is fixedly installed with a lifting disc, the lifting disc is located above the guide column, the bottom of the lifting disc is symmetrically rotatably connected with two movable rods, the ends of the two movable rods away from the lifting disc are rotatably connected with the two guide blocks respectively.

[0008] Preferably, the bottom of the lifting disc is fixedly connected with a bottom rod, the bottom end of the bottom rod is fixedly connected with a bottom block, the bottom rod penetrates through the guide column and is movably connected with the guide column.

[0009] Preferably, the limiting mechanism includes two arc-shaped plates symmetrically located on the top of base, and the two arc-shaped plates are in abutment with the outer side of the spring to be ground.

[0010] Preferably, two sliding grooves are symmetrically arranged on the base, sliding rods are fixedly connected in the two sliding grooves, sliding blocks are movably sleeved on the outer sides of the two sliding rods, and the two arc-shaped plates are respectively fixed on the top of the two sliding blocks.

[0011] Preferably, a U-shaped plate is fixedly installed at the bottom of the base, a driving motor is fixedly installed on the inner side of the U-shaped plate, a bidirectional screw rod is fixedly connected on the driving motor, the end, away from the driving motor, of the bidirectional screw rod is rotationally connected with the U-shaped plate, and two nut blocks are symmetrically threadedly sleeved on the outer side of the bidirectional screw rod, and the two sliding blocks are respectively fixed on the top of the two nut blocks.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a cooperation between the air cylinder, the lifting disc, the guide column and the bottom rod facilitates the stable descending of the lifting disc, and the cooperation between the movable rod, the guide block, the guide column and the connecting column facilitates the movement of the two mounting frames, so that the two clamping rollers can be away from each other and abut against the inner wall of the spring to be ground, thereby facilitating the stable clamping of the inner side of the spring to be ground.

[0014] 2. The cooperation between the driving motor, the bidirectional screw rod and the nut block facilitates the sliding of the two sliding blocks along the two sliding rods, so that the two arc-shaped plates can be close to each other to clamp and position the spring to be ground from the outside, thereby further improving the stability of the spring to be ground. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a structure schematic view of the spring end face grinding positioning device of the utility model;

[0018] Figure 2 It is a structure schematic view of the clamping mechanism of the utility model;

[0019] Figure 3 It is a structure schematic view of the guide block of the utility model;

[0020] Figure 4 It is a structure schematic view of the limiting mechanism of the utility model;

[0021] Figure 5 It is a structure schematic view of the U-shaped plate of the utility model.

[0022] In the figure: 1, base; 2, clamping mechanism; 201, U-shaped frame; 202, clamping roller; 203, guide block; 204, connecting column; 205, mounting frame; 206, guide column; 207, bottom block; 208, bottom rod; 209, movable rod; 2010, lifting disc; 2011, air cylinder; 3, limiting mechanism; 301, arc plate; 302, U-shaped plate; 303, nut; 304, driving motor; 305, sliding rod; 306, sliding block; 307, bidirectional screw rod; 4, spring to be ground; 5, sliding groove. DETAILED DESCRIPTION

[0023] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment one, by Figure 1 The utility model relates to a kind of spring end face grinding positioning devices, including base 1, the top of base 1 is placed with the spring to be ground 4, the inner side of the spring to be ground 4 is equipped with clamping mechanism 2, the outer side of the spring to be ground 4 is equipped with limiting mechanism 3.

[0025] Specifically, by Figures 2-3 Give, clamping mechanism 2 includes the U-shaped frame 201 fixed in the top of base 1, U-shaped frame 201 is located in the inner side of the spring to be ground 4, the inner side of U-shaped frame 201 is fixedly connected with guide column 206, the outer side of guide column 206 is symmetrically movably sleeved with two guide blocks 203, the outer side of U-shaped frame 201 is equipped with two mounting frames 205 symmetrically, the inner side of two mounting frames 205 is equipped with clamping roller 202, two connecting columns 204 are fixedly connected between mounting frame 205 and guide block 203 symmetrically, connecting column 204 passes through U-shaped frame 201 and is movably connected with U-shaped frame 201, two clamping rollers 202 are all in abutment with the inner side of the spring to be ground 4, air cylinder 2011 is fixedly installed on the inner top wall of U-shaped frame 201, the bottom end of air cylinder 2011 is fixedly installed with lifting disc 2010, lifting disc 2010 is located above guide column 206, the bottom of lifting disc 2010 is rotatably connected with two movable rods 209 symmetrically, the end of two movable rods 209 away from lifting disc 2010 is rotatably connected with two guide blocks 203 respectively, the bottom of lifting disc 2010 is fixedly connected with bottom rod 208, the bottom end of bottom rod 208 is fixedly connected with bottom block 207, bottom rod 208 penetrates guide column 206 and is movably connected with guide column 206;

[0026] In use, first, the spring to be ground 4 is placed on the top of the base 1, so that the spring to be ground 4 is sleeved on the outer side of the U-shaped frame 201, and the two clamping rollers 202 are located on the inner side of the spring to be ground 4, then the air cylinder 2011 is started to drive the lifting disc 2010 to move downward, the stability of the lifting disc 2010 during movement is ensured under the cooperation of the bottom rod 208 and the guide column 206, and the two guide blocks 203 are driven to slide along the guide column 206 through the two movable rods 209 respectively, the two mounting frames 205 are driven to move through the connecting columns 204 on the left and right sides respectively, and the two clamping rollers 202 are away from each other until abutting against the spring to be ground 4, and finally the stable clamping of the spring to be ground 4 is quickly completed.

[0027] Specifically, by Figures 4-5 It is given that the limiting mechanism 3 comprises two arc-shaped plates 301 symmetrically located on the top of the base 1, both of which abut against the outer side of the spring to be ground 4, two sliding grooves 5 are symmetrically arranged on the base 1, both of which are fixedly connected with sliding rods 305, both outer sides of the two sliding rods 305 are movably sleeved with sliding blocks 306, both of which are fixed on the top of the two sliding blocks 306, and the U-shaped plate 302 is fixedly installed on the bottom of the base 1, the inner side of the U-shaped plate 302 is fixedly installed with the driving motor 304, the driving motor 304 is fixedly connected with the bidirectional screw rod 307, the end of the bidirectional screw rod 307 away from the driving motor 304 is rotatably connected with the U-shaped plate 302, and the outer side of the bidirectional screw rod 307 is symmetrically screwed with two nuts 303, both of which are fixed on the top of the two nuts 303;

[0028] In use, first, the driving motor 304 is started to drive the bidirectional screw rod 307 to rotate, the two sliding blocks 306 are driven to slide along the two sliding rods 305 through the two nuts 303, and the two arc-shaped plates 301 are driven to approach each other, until both of them abut against the outer side of the spring to be ground 4, and finally the outer side of the spring to be ground 4 is clamped and positioned, further improving the stability of the spring to be ground 4.

Claims

1. A spring end face grinding and positioning device, comprising a base (1), characterized in that: The base (1) has a spring (4) to be ground placed on top. The inner side of the spring (4) to be ground is provided with a clamping mechanism (2), and the outer side of the spring (4) to be ground is provided with a limiting mechanism (3). The clamping mechanism (2) includes a U-shaped frame (201) fixed to the top of the base (1). The U-shaped frame (201) is located inside the spring (4) to be ground. A guide post (206) is fixedly connected to the inside of the U-shaped frame (201). Two guide blocks (203) are symmetrically and movably sleeved on the outside of the guide post (206). Two mounting brackets (205) are symmetrically provided on the outside of the U-shaped frame (201). Clamping rollers (202) are provided on the inside of the two mounting brackets (205). Two connecting posts (204) are symmetrically and fixedly connected between the mounting brackets (205) and the guide blocks (203). The connecting posts (204) pass through the U-shaped frame (201) and are movably connected to the U-shaped frame (201). The two clamping rollers (202) abut against the inside of the spring (4) to be ground.

2. The spring end face grinding and positioning device according to claim 1, characterized in that: A cylinder (2011) is fixedly installed on the inner top wall of the U-shaped frame (201). A lifting plate (2010) is fixedly installed at the bottom end of the cylinder (2011). The lifting plate (2010) is located above the guide column (206). Two movable rods (209) are symmetrically rotatably connected to the bottom of the lifting plate (2010). The ends of the two movable rods (209) away from the lifting plate (2010) are rotatably connected to two guide blocks (203) respectively.

3. The spring end face grinding and positioning device according to claim 2, characterized in that: The bottom of the lifting plate (2010) is fixedly connected to a bottom rod (208), and the bottom end of the bottom rod (208) is fixedly connected to a bottom block (207). The bottom rod (208) passes through the guide column (206) and is movably connected to the guide column (206).

4. The spring end face grinding and positioning device according to claim 1, characterized in that: The limiting mechanism (3) includes two arc-shaped plates (301) symmetrically located on the top of the base (1), and both arc-shaped plates (301) abut against the outer side of the spring (4) to be ground.

5. The spring end face grinding and positioning device according to claim 1, characterized in that: The base (1) is symmetrically provided with two sliding grooves (5), and each of the two sliding grooves (5) is fixedly connected with a sliding rod (305). Each of the two sliding rods (305) is movably sleeved with a slider (306) on its outer side, and two arc plates (301) are respectively fixed to the top of the two sliders (306).

6. The spring end face grinding and positioning device according to claim 1, characterized in that: A U-shaped plate (302) is fixedly installed at the bottom of the base (1). A drive motor (304) is fixedly installed on the inner side of the U-shaped plate (302). A bidirectional lead screw (307) is fixedly connected to the drive motor (304). The end of the bidirectional lead screw (307) away from the drive motor (304) is rotatably connected to the U-shaped plate (302). Two nuts (303) are symmetrically threaded on the outer side of the bidirectional lead screw (307). Two sliders (306) are fixed to the top of the two nuts (303) respectively.

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