Jacking device for suspended position of workpiece

Abstract

The utility model discloses a jacking device for a suspended position of a workpiece, relates to the technical field of part machining, and solves the technical problem that the position cannot be jacked tightly due to the existing manner that the suspended position is jacked tightly by a wedge block or a screw. The device comprises a base and an upper ejector rod, a first mounting hole and a second mounting hole which penetrate through the base are formed in the middle of the base, the upper ejector rod is mounted in the first mounting hole and the second mounting hole, and an elastic structure connected with the upper ejector rod is arranged in the second mounting hole. A locking hole penetrating through the base is formed in the position, located on one side of the first mounting hole, of the base, and a locking structure used for fixing the upper ejector rod is arranged in the locking hole. According to the utility model, the function of quickly jacking a suspended position is realized, errors during processing are reduced, and the working efficiency of operators is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of part processing, more particularly, it relates to a workpiece overhanging position's jacking device. BACKGROUND

[0002] In the machining process, the workpiece is supported by a plane, and the side surface or the upper end surface or the hole system is machined through milling, drilling, boring and other machining processes. The traditional scheme uses a wedge or a screw to jacking the overhanging position, and relies on the operator to have high technical ability to ensure that the jacking force is similar each time. Therefore, when the operator's technical ability is not strong or the operator is not concentrated, it is easy to cause the position not to be jacked tightly, thereby easily leading to machining errors and easily causing product quality accidents. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem that the existing wedge or screw jacking overhanging position easily leads to the position not being jacked tightly.

[0004] The utility model discloses a workpiece overhanging position's jacking device, it includes base and upper portion jacking rod, the middle part of base is equipped with the first installation hole and the second installation hole that pass through base, upper portion jacking rod is installed in the first installation hole and the second installation hole, the second installation hole is equipped with the elastic structure that is connected with upper portion jacking rod, the side of base is equipped with the locking hole that passes through base at the first installation hole, the locking hole is equipped with the locking structure that is used for fixed upper portion jacking rod.

[0005] Further improvement, the upper portion jacking rod is movably installed in the first installation hole, the bottom of the upper portion jacking rod is provided with a limiting part, the limiting part is movably installed in the second installation hole, the diameter of the limiting part is greater than the diameter of the first installation hole.

[0006] Further, the inner side of the bottom of the second installation hole is provided with a threaded hole section, the bottom of the limiting part is provided with a connecting part, the elastic structure includes a stud and a spring, the stud is screwed in the bottom of the second installation hole, one end of the spring is connected with the top of the stud, the other end of the spring is connected with the connecting part.

[0007] Further, the other end of the spring is in interference fit with the connecting part.

[0008] Further, the upper portion jacking rod is in clearance fit with the first installation hole by 0.1mm-0.15mm, and the limiting part is in clearance fit with the second installation hole by 0.4mm-0.6mm.

[0009] Further, the inner side of the locking hole is a threaded hole, the locking structure comprises a steel ball and a bolt, the steel ball is movably installed in the locking hole, and the bolt is screwed in the locking hole.

[0010] Further, the base is provided with a reserved locking hole on the side away from the locking hole.

[0011] Further, the outer wall of the base is provided with an anti-skid layer.

[0012] Beneficial effects

[0013] The utility model discloses the advantages are:

[0014] The utility model discloses a base and upper top rod are set up, and the base is provided with first installation hole and second installation hole, and the upper top rod is installed in first installation hole and second installation hole, is equipped with elastic structure in second installation hole, and the base is provided with locking hole on the side of first installation hole, and is equipped with locking structure in locking hole, and elastic structure is used for pushing the upper top rod, makes the upper top rod and tight suspension position, and locking structure is used for fixing the upper top rod, realizes the function of quick and tight suspension position, reduces the error when processing, improves production process product quality self -guarantee ability, improves the work efficiency of operating personnel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the device structure schematic view of the utility model's tight suspension position.

[0016] Wherein: 1 - base, 2 - spring, 3 - stud, 4 - upper top rod, 5 - steel ball, 6 - bolt, 7 - first installation hole, 8 - second installation hole, 9 - locking hole, 10 - limit part, 11 - connecting part, 12 - reserved locking hole. DETAILED DESCRIPTION

[0017] The utility model will be described further below in conjunction with examples, but does not constitute any limit to the utility model, and the limited times of modification of anyone in the claim range of the utility model is still within the claim range of the utility model.

[0018] Reference Figure 1 The utility model discloses a workpiece suspension position's tight device, it includes base 1 and upper top rod 4, and the middle part of base 1 is provided with the first installation hole 7 and second installation hole 8 that pass through base 1, and the upper top rod 4 is installed in first installation hole 7 and second installation hole 8, and is equipped with elastic structure with the upper top rod 4 connection in second installation hole 8, and the side of first installation hole 7 of base 1 is provided with the locking hole 9 that passes through base 1, and is equipped with locking structure for fixing the upper top rod 4 in locking hole 9.

[0019] The upper top rod 4 is movably installed in the first mounting hole 7, the bottom of the upper top rod 4 is provided with a limiting portion 10, the limiting portion 10 is installed in the second mounting hole 8, and the diameter of the limiting portion 10 is greater than that of the first mounting hole 7. The diameter of the second mounting hole 8 is greater than that of the first mounting hole 7. The limiting plate 10 is used for limiting the upper top rod 4 and preventing the upper top rod 4 from being separated from the base 1.

[0020] The heat treatment hardness of the base 1 and the upper top rod 4 needs to reach HRC38-42, so that the purpose of reducing the rapid wear and failure of cooperation in the batch production process is achieved.

[0021] The inner side of the bottom of the second mounting hole 8 is provided with a threaded hole section, the bottom of the limiting portion 10 is provided with a connecting portion 11, the elastic structure includes a stud 3 and a spring 2, the stud 3 is screwed at the bottom of the second mounting hole 8, one end of the spring 2 is connected with the top of the stud 3, and the other end of the spring 2 is connected with the connecting portion 11. The position of the stud 3 in the base 1 is changed by screwing the stud 3, so that the elastic force of the spring 2 is changed, the spring 2 is contracted when the stud 3 is close to the upper top rod 4, the spring 2 is tightly pressed against the upper top rod 4, the spring 2 is stretched when the stud 3 is away from the upper top rod 4, and the spring 2 does not generate force on the upper top rod 4.

[0022] The other end of the spring 2 is in slight interference fit with the connecting portion 11, so that the spring 2 is in a stretched state.

[0023] The upper top rod 4 is in clearance fit with the first mounting hole 7, the size of the clearance fit is 0.125mm, and the upper top rod 4 is moved up and down in the first mounting hole 7.

[0024] The limiting portion 10 is in clearance fit with the second mounting hole 8, the size of the clearance fit is 0.5mm, and the limiting portion 10 is moved up and down in the second mounting hole 8.

[0025] The inner side of the locking hole 9 is a threaded hole, the locking structure includes a steel ball 5 and a bolt 6, the steel ball 5 is movably installed in the locking hole 9, and the bolt 6 is screwed in the locking hole 9. By rotating the bolt 6, the bolt 6 is close to the upper top rod 4, the bolt 6 drives the steel ball 5 to be close to the upper top rod 4, the steel ball 5 contacts and fixes the upper top rod 4, so that the upper top rod 4 is fixed, and the bolt 6 and the steel ball 5 are standard parts. A reserved locking hole 12 is formed in the side, away from the locking hole 9, of the base 1, and is reserved for an operator to operate.

[0026] The outer wall of the base 1 is provided with an anti-skid layer, and the protective layer is convenient for an operator to move the device.

[0027] The working principle of the utility model is:

[0028] Before processing the workpiece, the upper ejector pin 4 is pressed down, and the upper ejector pin 4 drives the spring 2 to contract, when the spring 2 contracts to the minimum compression, the bolt 6 is rotated to make the bolt 6 close to the upper ejector pin 4, the bolt 6 drives the steel ball 5 to close to the upper ejector pin 4, the steel ball 5 contacts the upper ejector pin 4 and fixes the upper ejector pin 4, and the upper ejector pin 4 stops moving.

[0029] Then the device is placed in the corresponding position of the suspended workpiece to be processed, the bolt 6 is rotated to make the bolt 6 away from the upper ejector pin 4, the spring 2 restores the original stretched state after the steel ball 5 does not fix the upper ejector pin 4, the elastic force of the spring 2 drives the upper ejector pin 4 to move upwards, the upper ejector pin 4 is pressed to the suspended bottom of the workpiece to be processed, then the bolt 6 is rotated to make the bolt 6 close to the upper ejector pin 4, the bolt 6 drives the steel ball 5 to close to the upper ejector pin 4, the steel ball 5 contacts the upper ejector pin 4 and fixes the upper ejector pin 4, the upper ejector pin 4 is pressed tightly to the suspended bottom of the workpiece to be processed, finally the workpiece is processed.

[0030] The above only describes the preferred embodiments of the present application, and it should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which will not affect the effect and practicality of the present application.

Claims

1. A device for clamping a workpiece in a suspended position, characterized in that It includes base (1) and upper top rod (4), the middle part of base (1) is provided with first mounting hole (7) and second mounting hole (8) penetrating base (1), upper top rod (4) is installed in first mounting hole (7) and second mounting hole (8), the second mounting hole (8) is provided with elastic structure connected with upper top rod (4), the side of base (1) is provided with locking hole (9) penetrating base (1) in first mounting hole (7), locking hole (9) is provided with locking structure for fixing upper top rod (4).

2. The workpiece overhanging position clamping device according to claim 1, wherein, The upper top rod (4) is movably installed in the first mounting hole (7), the bottom of the upper top rod (4) is provided with a limiting portion (10), the limiting portion (10) is movably installed in the second mounting hole (8), and the diameter of the limiting portion (10) is greater than the diameter of the first mounting hole (7).

3. The workpiece overhanging position clamping device according to claim 2, wherein, The inner side of the bottom of the second mounting hole (8) is provided with a threaded hole section, the bottom of the limiting portion (10) is provided with a connecting portion (11), the elastic structure includes a stud (3) and a spring (2), the stud (3) is screwed at the bottom of the second mounting hole (8), one end of the spring (2) is connected with the top of the stud (3), and the other end of the spring (2) is connected with the connecting portion (11).

4. The workpiece suspension position clamping device of claim 3, wherein, The other end of the spring (2) is interference fit with the connecting portion (11).

5. The workpiece overhanging position clamping device according to claim 2, wherein, The upper top rod (4) is gap fit with the first mounting hole (7) by 0.1mm-0.15mm, and the limiting portion (10) is gap fit with the second mounting hole (8) by 0.4mm-0.6mm.

6. The workpiece overhanging position clamping device according to claim 1, wherein The inner side of the locking hole (9) is a threaded hole, and the locking structure includes a steel ball (5) and a bolt (6), the steel ball (5) is movably installed in the locking hole (9), and the bolt (6) is screwed in the locking hole (9).

7. The workpiece overhanging position clamping device according to claim 1, wherein The side of the base (1) away from the locking hole (9) is provided with a reserved locking hole (12).

8. The workpiece overhanging position clamping device according to claim 1, wherein, The outer wall of the base (1) is provided with an anti-skid layer.

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