Torsion rod spring coating and clamping tool

Abstract

The utility model provides a torsion bar spring coating clamping tool which comprises a lengthened tip, a baffle, a screw rod, a lengthened sleeve and a double-end connecting bolt, and the lengthened tip is composed of a tip, a lengthened pipe and a tailstock. The tool can be used for effectively fixing the torsion bar spring, so that the coating process is normally operated, meanwhile, the coating quantity of a single furnace can be increased, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to surface treatment frock technical field, concretely relates to a torsion bar spring coating clamping frock. BACKGROUND

[0002] Torsion bar spring is used for the drive force transmission of articulated special vehicle, is used in special vehicle walking part, is used as the medium of drive force transmission. In order to prevent torsion bar spring from being anticorrosion and being hurt in harsh use environment, need to apply a kind of acrylic polyurethane paint on the surface of torsion bar spring to protect. Since paint itself is relatively viscous, direct spraying or brushing cannot make coating evenly cover on the surface of torsion bar spring, so when applying paint, need to use coating machine to rotate torsion bar spring and warm up and solidify paint. CONTENT OF UTILITY MODEL

[0003] (One) technical problem to be solved

[0004] The utility model provides a torsion bar spring coating clamping frock to solve the technical problem of torsion bar spring clamping and fixing on coating machine, improve coating work efficiency and save cost.

[0005] (Two) technical scheme

[0006] In order to solve the above technical problem, the utility model provides a kind of torsion bar spring coating clamping frock, the torsion bar spring coating clamping frock includes lengthened centre, baffle, screw rod, lengthened sleeve and double-end connecting bolt, wherein,

[0007] Lengthened centre is composed of centre, lengthened pipe and tailstock, wherein, rear end of tailstock is processed with central threaded hole, and the outer periphery of tailstock is provided with limiting boss, rear end of lengthened pipe is sleeved on the outer wall of the front section of tailstock and is welded and fixed with tailstock, lengthened pipe adopts tubular structure, rear end of centre is inserted into the front end of lengthened pipe and is welded and fixed with lengthened pipe, and the front end of centre is provided with head conical structure for bearing against torsion bar spring,

[0008] Tailstock is inserted into the front end of the central through hole of passive gear shaft and is limited by limiting boss, screw rod is inserted into the rear end of the central through hole of passive gear shaft and is connected with the central threaded hole of tailstock, one baffle is sleeved on screw rod and is clamped tightly on the rear end face of tailstock by nut, and the rear end of screw rod protrudes from the rear end face of passive gear shaft, and the other baffle is sleeved on the rear end of screw rod and is clamped tightly on the rear end face of passive gear shaft by nut,

[0009] The big end of torsion bar spring is provided with threaded hole, and double-end connecting bolt is connected with the threaded hole of two torsion bar springs, so that two torsion bar springs are connected together with big end opposite, the small end spline end of torsion bar spring located at rear side is clamped by centre, and the small end spline end of torsion bar spring located at front side is clamped by lengthened sleeve.

[0010] The front end of the lengthened sleeve is fixed with the coating machine, and the rear end of the lengthened sleeve is matched with the small end spline end of the torsion bar spring to abut.

[0011] Further, a weight-reducing through hole is formed in the front end of the center threaded hole of the tail seat and communicates with the center threaded hole.

[0012] Further, the bearing cover is installed on the rear end surface of the gear shaft box body through a screw.

[0013] Further, the middle section of the double-end connecting bolt is formed with two oppositely arranged parallel machining planes.

[0014] Further, the lengthened sleeve is formed by 45 steel.

[0015] Further, the front end of the lengthened sleeve is provided with a handle-shaped structure for clamping and fixing on the coating machine.

[0016] Further, the rear end of the lengthened sleeve is provided with a half-tube structure, and a chamfer is arranged on the inner side of the half-tube structure for abutting against the small end spline end of the torsion bar spring.

[0017] (Three) beneficial effects

[0018] The utility model provides a torsion bar spring coating clamping tool, including lengthened centre, baffle, screw rod, lengthened sleeve and double -end connecting bolt, lengthened centre is composed of centre, lengthened pipe, tail seat. This tool can effectively fix torsion bar spring, make coating procedure normal operation, can increase single furnace coating quantity simultaneously, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1a It is the assembly plan view of the torsion bar spring coating clamping tool of the utility model, Figure 1b It is the A-A section view of Figure 1a

[0020] Figure 2 It is the lengthened centre structure main view section view in the utility model,

[0021] Figure 3a It is the screw main view in the utility model, Figure 3b It is the A-A section view of Figure 3a

[0022] Figure 4 It is the baffle structure main view section view in the utility model,

[0023] Figure 5 It is the bearing cover structure main view section view in the utility model,

[0024] Figure 6a It is the double -end connecting bolt main view in the utility model,​​Figure 6b is a top view, Figure 6c is a side view;

[0025] Figure 7a is a front view of the lengthened sleeve in the utility model, Figure 7b is a side view. DETAILED DESCRIPTION

[0026] In order to make the purpose, content and advantages of the utility model more clear, the specific implementation of the utility model is described in further detail below in combination with the drawings and examples.

[0027] The embodiment provides a torsion bar spring coating clamping tool, and the overall assembly structure is shown in Figure 1a and 1b The clamping tool mainly comprises a lengthened center 1-0, a baffle 1, a screw rod 2, a bearing cover 3, a lengthened sleeve 4 and a double-end connecting bolt 5.

[0028] As shown in Figure 2 The lengthened center 1-0 is composed of a center 1-1, a lengthened pipe 1-2 and a tailstock 1-3. The rear end of the tailstock 1-3 is provided with a central threaded hole, and the front end is provided with a weight-reducing through hole in communication with the central threaded hole. The outer periphery of the tailstock 1-3 is provided with a limiting boss. The rear end of the lengthened pipe 1-2 is sleeved on the outer wall of the front section of the tailstock 1-3 and is welded and fixed with the tailstock 1-3. The lengthened pipe 1-2 adopts a tubular structure, can reduce the self weight and prevent sagging at the matching position with the torsion bar spring. The rear end of the center 1-1 is inserted into the front end of the lengthened pipe 1-2 and is welded and fixed with the lengthened pipe 1-2, and the front end of the center 1-1 is provided with a head conical structure for abutting against the torsion bar spring.

[0029] The tailstock 1-3 is inserted into the front end of the central through hole of the passive gear shaft and is limited by the limiting boss. The screw rod 2 (structure as shown in Figure 3a and 3b ) is inserted into the rear end of the central through hole of the passive gear shaft and is connected with the central threaded hole of the tailstock 1-3, one baffle 1 (structure as shown in Figure 4 ) is sleeved on the screw rod 2 and is tightly abutted against the rear end surface of the tailstock 1-3 by a nut. The rear end of the screw rod 2 protrudes from the rear end surface of the passive gear shaft, and the other baffle 1 is sleeved on the rear end of the screw rod 2 and is tightly abutted against the rear end surface of the passive gear shaft by a nut.

[0030] The passive gear shaft is provided with a passive gear, and the front and rear ends of the passive gear shaft are respectively provided with bearings. The outer ring of the front end bearing is directly connected with the front end surface of the gear shaft box, the outer ring of the rear end bearing is connected with an appendix, and the appendix is connected with the rear end surface of the gear shaft box. The front end surface of the gear shaft box is provided with an end cover sleeved on the outer periphery of the passive gear shaft through a screw. The bearing cover 3 (structure as shown in Figure 5The rear end of the bracket is provided with a screw for mounting a protection cover (not shown) for the passive gear shaft and the screw rod 2.

[0031] The big end of the torsion bar spring is provided with a threaded hole, and the double-end connecting bolt 5 is connected with the threaded holes of the two torsion bar springs, so that the two torsion bar springs are connected together with the big ends opposite to each other. The small end spline end of the rear torsion bar spring is matched and pressed by the center 1-1, and the small end spline end of the front torsion bar spring is matched and pressed by the lengthened sleeve 4.

[0032] The structure of the double-end connecting bolt 5 is shown in Figures 6a to 6c The middle section of the double-end connecting bolt 5 is provided with two opposite parallel processing planes for clamping and rotating operation.

[0033] The lengthened sleeve 4 is made of 45 steel, and the structure is shown in Figure 7a and 7b The front end of the lengthened sleeve 4 is provided with a handle structure for clamping and fixing on the coating machine. The rear end of the lengthened sleeve 4 is provided with a half bracket structure, and the inner side of the half bracket structure is provided with a chamfer for matching and pressing the small end spline end of the torsion bar spring.

[0034] The coating clamping tool can clamp and coat six torsion bar springs at the same time, and the production efficiency is improved.

[0035] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should be considered as the protection scope of the present application.

Claims

1. A torsion bar spring coating fixture, comprising: The torsion bar spring coating clamp tool comprises an extended center, a baffle, a screw rod, an extended sleeve and a double-end connecting bolt, wherein The extended center is composed of a center, an extended pipe and a tail seat, wherein a center threaded hole is formed at the rear end of the tail seat; a limiting boss is arranged on the outer periphery of the tail seat; the rear end of the extended pipe is sleeved on the front section of the outer wall of the tail seat and is welded and fixed with the tail seat; the extended pipe adopts a tubular structure, the rear end of the center is inserted into the front end of the extended pipe and is welded and fixed with the extended pipe, the front end of the center is provided with a head conical structure for abutting against the torsion bar spring; The tail seat is inserted into the center through hole of the coating machine driven gear shaft from the front end and is limited by the limiting boss; the screw rod is inserted into the center threaded hole of the tail seat from the rear end and is connected with the center threaded hole of the tail seat, one baffle is sleeved on the screw rod and is tightly abutted against the rear end surface of the tail seat by a nut, the rear end of the screw rod protrudes from the rear end surface of the driven gear shaft, and the other baffle is sleeved on the rear end of the screw rod and is tightly abutted against the rear end surface of the driven gear shaft by a nut; The large end of the torsion bar spring is provided with a threaded hole, the double-end connecting bolt is connected with the threaded holes of the two torsion bar springs, and the two torsion bar springs are connected together in a large end opposite manner; the small end spline end of the torsion bar spring located at the rear side is abutted by the center, and the small end spline end of the torsion bar spring located at the front side is abutted by the extended sleeve. The front end of the extended sleeve is fixed with the coating machine, and the rear end of the extended sleeve is abutted with the small end spline end of the torsion bar spring.

2. The torsion bar spring coating fixture of claim 1, wherein, A weight-reducing through hole is formed at the front end of the center threaded hole of the tail seat and communicates with the center threaded hole.

3. The torsion bar spring coating fixture of claim 1, wherein, The bearing cover is installed on the rear end surface of the attached seat of the gear shaft box body by a screw.

4. The torsion bar spring coating fixture of claim 1, wherein, Two opposite parallel machining planes are formed on the middle section of the double-end connecting bolt.

5. The torsion bar spring coating fixture of claim 1, wherein, The extended sleeve is made of 45 steel.

6. The torsion bar spring coating fixture of claim 1, wherein, The front end of the extended sleeve is provided with a handle structure for clamping and fixing on the coating machine.

7. The torsion bar spring coating fixture of claim 1, wherein, The rear end of the extended sleeve is provided with a half holder structure, and a chamfer is arranged on the inner side of the half holder structure for abutting against the small end spline end of the torsion bar spring.

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