Buffering type jacking tool for tailstock of numerical control lathe

Abstract

The utility model relates to a numerical control lathe tailstock buffering type material jacking tool which comprises a tailstock and is characterized in that a horizontal material jacking air cylinder is fixed on the rear end face of the tailstock, a horizontal through hole is formed in the tailstock, and a middle connecting shaft connected with the tail end of a cylinder rod of the horizontal material jacking air cylinder is arranged in the horizontal through hole. The other end of the middle connecting shaft is connected with a follow-up shaft through a rotating connector, the other end of the follow-up shaft is sleeved with a guide sleeve, an axial long through hole is formed in the peripheral wall of the guide sleeve, the tip end of the positioning pin penetrates through the axial long through hole to be fixedly connected with the follow-up shaft, and a polyurethane pressing head concentric with the guide sleeve is fixed to the front end of the guide sleeve. A buffer spring is connected between the inner side face of the polyurethane pressing head and the front end face of the follow-up shaft. The tool solves the problem that a rigid ejection mechanism is prone to causing ejection scratches and deformation of products, the machining precision of the products is improved, and therefore the qualified rate of the products is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to a positioning tool technical field for numerical control lathe, concretely relates to a numerical control lathe tailstock buffer formula ejection tool. BACKGROUND

[0002] Numerical control lathe processes stamping part product, for the product with smaller clamping point and the clamping position with the gradient, usually the clamping consistency is unstable, will lead to product turning size instability, product high defective rate.

[0003] The existing data lathe tailstock ejection tool usually adopts rigid ejection mechanism, and product quality stability is poor. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of numerical control lathe tailstock buffer formula ejection tool with reasonable structure, reliable use, solve the problem that rigid ejection mechanism easily leads to product to appear ejection scratch, deformation, improve product processing precision, to improve product pass rate.

[0005] The technical scheme of the utility model is:

[0006] A kind of numerical control lathe tailstock buffer formula ejection tool, including tailstock, its technical key point is: the rear end surface of the tailstock is fixed with horizontal ejection cylinder, the tailstock is equipped with horizontal through hole, the horizontal through hole is equipped with the middle connecting shaft connected with the cylinder rod end of horizontal ejection cylinder, the other end of the middle connecting shaft is connected with follow-up shaft using swivel joint, the other end of the follow-up shaft is equipped with guide sleeve, the outer peripheral wall of the guide sleeve is equipped with axial long through hole, the tip of positioning pin passes through axial long through hole and is connected with follow-up shaft fixedly, the front end of the guide sleeve is fixed with the polyurethane pressure head concentric with it, and the inner side surface of the polyurethane pressure head is connected with the front end surface of follow-up shaft with buffer spring.

[0007] The numerical control lathe tailstock buffer formula ejection tool described above, the tailstock top surface is equipped with radial positioning hole communicated with horizontal through hole, the radial positioning hole is equipped with locking block, and the outer side of the locking block is connected with locking plate hand.

[0008] The numerical control lathe tailstock buffer formula ejection tool described above, the tailstock top surface is equipped with pneumatic switch connected between gas source and horizontal ejection cylinder.

[0009] The numerical control lathe tailstock buffer formula ejection tool described above, the inner side surface of the polyurethane pressure head is equipped with concentric positioning column, one end of the buffer spring is sleeved on the concentric positioning column, and the other end is connected with the front end surface of follow-up shaft fixedly.

[0010] The utility model has the advantages of:

[0011] 1. The utility model is suitable for clamping stamping part products, convenient to operate, when using, the device is installed at the tailstock of the lathe, when working, the cylinder rod of horizontal top material air cylinder is stretched out, the middle connecting shaft and the follow-up shaft drive the polyurethane pressure head to top the product to realize pre-positioning. Since the polyurethane pressure head is connected with the follow-up shaft and has a buffer spring, a buffer type top material structure is formed, the problem that the existing rigid top material mechanism is easy to cause the product to appear top material scratch and deformation is solved, the product machining precision is improved, the product quality stability is guaranteed, and thus the product qualified rate is improved.

[0012] 2. When working, the middle connecting shaft in the horizontal through hole is clamped by the locking block, when the polyurethane pressure head, the follow-up shaft and the like rotate with the product, the horizontal displacement of the middle connecting shaft is avoided, and the working stability is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the axial section view of Figure 1 ; It is the enlarged view of A of

[0015] Figure 3 It is the axial section view of Figure 2 ; It is the enlarged view of A of

[0016] In the drawing: 1. polyurethane pressure head, 101. concentric positioning column, 2. guide sleeve, 3. positioning pin, 4. follow-up shaft, 5. rotary joint, 6. middle connecting shaft, 7. tailstock, 8. axial long through hole, 9. pneumatic switch, 10. horizontal top material air cylinder, 11. locking plate hand, 12. locking block, 13. buffer spring. DETAILED DESCRIPTION

[0017] The utility model is described in detail according to the drawing of the specification.

[0018] As shown in Figures 1-3 , the numerical control lathe tailstock buffer type top material tool includes tailstock 7, and the horizontal top material air cylinder 10 is fixed on the rear end surface of the tailstock 7.

[0019] The tail seat 7 is provided with a horizontal through hole, and the horizontal through hole is provided with an intermediate connecting shaft 6 connected with the end of the cylinder rod of the horizontal top feeding cylinder 10, and the other end of the intermediate connecting shaft 6 is connected with a follow-up shaft 4 through a rotary joint 5. The other end of the follow-up shaft 4 is sleeved with a guide sleeve 2, and the outer peripheral wall of the guide sleeve 2 is provided with an axial long through hole 8, and the tip of a positioning pin 3 is connected and fixed with the follow-up shaft 4 through the axial long through hole 8. The front end of the guide sleeve 2 is fixed with a polyurethane pressure head 1 concentric with the guide sleeve 2, and a buffer spring 13 is connected between the inner side surface of the polyurethane pressure head 1 and the front end surface of the follow-up shaft 4. In the embodiment, the inner side surface of the polyurethane pressure head 1 is provided with a concentric positioning column 101, one end of the buffer spring 14 is sleeved on the concentric positioning column 101, and the other end is connected and fixed with the front end surface of the follow-up shaft 4.

[0020] In the embodiment, the top surface of the tail seat 7 is provided with a radial positioning hole communicated with the horizontal through hole, and the radial positioning hole is provided with a locking block 12, and the outer side of the locking block 12 is connected with a locking plate hand 11. The top surface of the tail seat 7 is provided with a pneumatic switch 9 connected between the air source and the horizontal top feeding cylinder 10.

[0021] Working principle:

[0022] The product to be processed is clamped between the front end clamp of the numerical control lathe and the polyurethane pressure head 1 of the utility model, so that the clamping and positioning of the product to be processed are realized. In the processing process, the follow-up shaft 4, the guide sleeve 2, the buffer spring 14 and the polyurethane pressure head 1 rotate together, and due to the stretchability of the buffer spring 13, the flexible and stable positioning of the product is realized, the product quality is effectively improved, and the production efficiency is improved.

[0023] The embodiments of the utility model are described in detail above, but the content described can only be the preferred embodiments of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent changes and improvements made within the scope of the utility model are still within the scope of the patent.

Claims

1. A tailstock cushioning type material ejecting tool for a numerical control lathe, comprising a tailstock, characterized in that: The rear end surface of the tailstock is fixed with a horizontal material lifting cylinder, the tailstock is internally provided with a horizontal through hole, the horizontal through hole is provided with an intermediate connecting shaft connected with the end of the cylinder rod of the horizontal material lifting cylinder, the other end of the intermediate connecting shaft is connected with a follow-up shaft by a rotary joint, the other end of the follow-up shaft is sleeved with a guide sleeve, the outer peripheral wall of the guide sleeve is provided with an axial long through hole, the tip of a positioning pin is connected and fixed with the follow-up shaft by penetrating the axial long through hole, the front end of the guide sleeve is fixed with a polyurethane pressure head concentric with the guide sleeve, and the inner side surface of the polyurethane pressure head is connected with the front end surface of the follow-up shaft by a buffer spring.

2. The numerical control lathe tailstock cushion type ejection tooling according to claim 1, characterized in that: The top surface of the tailstock is provided with a radial positioning hole communicated with the horizontal through hole, the radial positioning hole is provided with a locking block, and the outer side of the locking block is connected with a locking plate handle.

3. The numerical control lathe tailstock cushion type top material tooling device according to claim 1, characterized in that: The top surface of the tailstock is provided with a pneumatic switch connected between the air source and the horizontal material lifting cylinder.

4. The numerical control lathe tailstock cushion type ejection tooling according to claim 1, characterized in that: The inner side surface of the polyurethane pressure head is provided with a concentric positioning column, one end of the buffer spring is sleeved on the concentric positioning column, and the other end is connected and fixed with the front end surface of the follow-up shaft.

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